Document:

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                                                                   EXHIBIT 10.1

                           THIRD AMENDED AND RESTATED
                          REGISTRATION RIGHTS AGREEMENT

         THIRD AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT, dated as of
February 29, 2000 by and among Total Network Solutions, Inc., a New York
corporation (the "COMPANY"), Morgan Stanley Venture Investors III, L.P., Morgan
Stanley Venture Partners III, L.P., The Morgan Stanley Venture Partners
Entrepreneur Fund, L.P. and Merritt Lutz (each, an "MSVP INVESTOR" and
collectively with their successors and assigns, the "MSVP INVESTORS") Cisco
Systems, Inc. (together with its successor and assigns ("CISCO") and KPMG LLP,
KPMG Consulting, LLC and KPMG U.K. (each, a "KPMG INVESTOR", collectively with
their succesors and assigns, the "KPMG INVESTORS", and together with the MSVP
Investors and Cisco, the "INVESTORS").

         WHEREAS, the Company has issued (i) to the MSVP Investors, among other
things, shares of its Common Stock, par value $0.001 per share (the "COMMON
STOCK"), pursuant to the Series A Senior Redeemable Preferred Stock and Common
Stock Purchase Agreement (the "SERIES A PURCHASE AGREEMENT") dated as of August
7, 1998 among the Company and the MSVP Investors and (ii) to the MSVP Investors
other than Merritt Lutz shares of its Series C Convertible Preferred Stock (the
"SERIES C PREFERRED STOCK") pursuant to the Series C Convertible Preferred Stock
Purchase Agreements dated as of December 21, 1999 and February 3, 2000 among the
Company and such MSVP Investors (the "SERIES C PURCHASE AGREEMENTS"; the latter
such agreement being referred to herein as the "SECOND SERIES C PURCHASE
AGREEMENT"); and

         WHEREAS, the Company has issued to Cisco (i) the Company's Common Stock
Convertible Note in the original principal amount of $4,416,150 (the "COMMON
STOCK NOTE") convertible into 4,500,000 shares of Common Stock, (ii) the
Company's Series B Convertible Note in the original principal amount of
$3,172,872.24 convertible into 1,077,026 shares of its Series B Convertible
Preferred Stock and (iii) the Company's Series C Convertible Note (the "SERIES C
NOTE") with the original principal amount $9,000,004.68 convertible into 745,034
shares of its Series C Preferred Stock, in each case pursuant to the Convertible
Note Purchase Agreement dated as of December 21, 1999 between the Company and
Cisco (the "NOTE PURCHASE AGREEMENT"); and

         WHEREAS, the Company is issuing to the KPMG Investors on the date
hereof 851,064 shares of its Series D Convertible Preferred Stock (the "SERIES D
PREFERRED STOCK") pursuant to the Series D Convertible Preferred Stock Purchase
Agreement dated as of February 29, 2000 among the Company and the KPMG Investors
(the "SERIES D PURCHASE AGREEMENT"); and

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         WHEREAS, one of the conditions to the investment in the Company by the
KPMG Investors pursuant to the Series D Purchase Agreement is the amendment and
restatement, as set forth herein, of the Second Amended and Restated
Registration Rights Agreement dated as of December 21, 1999 among the Company,
the MSVP Investors and Cisco;

         NOW, THEREFORE, in consideration of the mutual covenants and agreements
contained herein and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto agree as
follows:

                                    ARTICLE 1

                                   DEFINITIONS

         SECTION 1.1. DEFINITIONS. (a) The following terms, as used herein, have
the following meanings:

         "AFFILIATE" means, with respect to any Person, any other Person,
directly or indirectly, controlling, controlled by, or under common control
with, such Person. For purposes of this definition, the term "CONTROL"
(including the correlative terms "CONTROLLING", "CONTROLLED BY" and "UNDER
COMMON CONTROL WITH") means the possession, direct or indirect, of the power to
direct or cause the direction of the management and policies of a Person,
whether through the ownership of voting securities, by contract, or otherwise.

         "BUSINESS DAY" means any day except a Saturday, Sunday or other day on
which commercial banks in the City of New York are authorized by law to close.

         "COMMISSION" means the Securities and Exchange Commission or any
successor commission or agency having similar powers.

         "EXCHANGE ACT" means the Securities Exchange Act of 1934, as amended,
and the rules and regulations promulgated thereunder.

         "IPO" means the initial Public Offering.

         "PERSON" means an individual, partnership, corporation, limited
liability company, trust, joint stock company, association, joint venture, or
any other entity or organization.

         "PUBLIC OFFERING" means any underwritten public offering of equity
securities of the Company pursuant to an effective registration statement under

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the Securities Act other than pursuant to a registration statement on Form S-4
or Form S-8 or any successor or similar form.

         "REGISTRABLE COMMON SHARES" means all shares of Common Stock of the
Company owned by the Investors or issuable upon conversion of securities owned
by the Investors. Registrable Common Shares shall cease to be Registrable Common
Shares when (i) a registration statement with respect to the sale of such shares
of Common Stock shall have become effective under the Securities Act and such
shares of Common Stock shall have been disposed of pursuant to such registration
statement, or (ii) such shares of Common Stock shall have ceased to be
outstanding.

         "REGISTRATION EXPENSES" means all (i) registration, qualification and
filing fees, (ii) fees and expenses of compliance with securities or blue sky
laws (including reasonable fees and disbursements of a qualified independent
underwriter, if any, counsel in connection therewith and the reasonable fees and
disbursements of counsel in connection with blue sky qualifications of the
Registrable Common Shares), (iii) printing expenses, (iv) internal expenses of
the Company (including, without limitation, all salaries and expenses of
officers and employees performing legal or accounting duties), (v) fees and
disbursements of counsel for the Company, (vi) customary fees and expenses for
independent certified public accountants retained by the Company (including the
expenses of any comfort letters or costs associated with the delivery by
independent certified public accountants of a comfort letter or comfort
letters), (vii) fees and expenses of any special experts retained by the Company
in connection with such registration, (viii) reasonable fees and expenses of one
separate firm of attorneys for the Investors (which counsel shall be selected
(A) in the case of a demand for registration initiated by one or more MSVP
Investors, by MSVP Investors holding a majority of the Registrable Common Shares
held by all MSVP Investors, (B) in the case of a demand for registration
initiated by Cisco, by Cisco, (C) in the case of a demand for registration by
one or more KPMG Investors, by KPMG Investors holding a majority of the
Registrable Shares held by all KPMG Investors and (D) in the case of a
registration in which one or more MSVP Investors, Cisco, and/or one or more KPMG
Investors are exercising piggy-back registration rights, by Investors holding a
majority of the Registrable Common Shares that are timely requested to be
included in the related registration statement (without regard to the impact of
underwriter cutbacks), (ix) fees and expenses of listing the Registrable Common
Shares on a securities exchange, (x) out-of-pocket expenses of the Investors,
(xi) transfer taxes and (xii) fees and expenses of underwriter's counsel; but
shall not include any underwriting fees or discounts or commissions attributable
to the sale of Registrable Common Shares or any overhead or expenses of the
Investors except as specified above.

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         "SECURITIES ACT" means the Securities Act of 1933, as amended, and the
rules and regulations promulgated thereunder.

          (b) Each of the following terms is defined in the Section set forth
opposite such term:

<TABLE>
<CAPTION>

                   TERM                                       SECTION
                   ----                                       -------
<S>                                                           <C>
                   Disadvantageous Condition                    2.1
                   Cisco                                      Preamble
                   Company                                      2.6
                   Indemnified Party                            2.6
                   Indemnifying Party                           2.6
                   Inspectors                                   2.03
                   Investor                                   Preamble
                   Maximum Offering Size                        2.01
                   MSVP Investor                              Preamble
                   Priority Securities                          2.2
                   Records                                      2.3
                   Remaining Availability                       2.2
                   Rule 144                                     2.8

</TABLE>

                                    ARTICLE 2

                               REGISTRATION RIGHTS

         SECTION 2.1. DEMAND REGISTRATION RIGHTS. (a) REGISTRATION ON REQUEST.
(i) Commencing on August 20, 2001, if the MSVP Investors desire to effect the
registration under the Securities Act of outstanding Registrable Common Shares,
the MSVP Investors may make a written request that the Company effect such
registration; PROVIDED that such registration (A) covers at least 20% of the
Registrable Common Shares beneficially owned by the MSVP Investors immediately
following the closing under the Second Series C Purchase Agreement or (B) is
expected to result in an aggregate price to the public of not less than 20% of
the aggregate purchase price paid by the MSVP Investors to acquire shares of
capital stock of the Company (including without limitation the shares of Common
Stock) pursuant to the Series A Stock Purchase Agreement and the Series C
Purchase Agreements. Each such request will specify the number of shares of
Registrable Common Shares proposed to be sold and will also specify the intended
method of disposition thereof. The Company will use its reasonable best efforts
to effect, as promptly as practicable, the registration under the Securities Act
of the Registrable Common Shares which the Company

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has been so requested to register by such MSVP Investors pursuant to this
Section 2.1(a)(i), to the extent necessary to permit the disposition (in
accordance with the intended methods thereof as aforesaid) of the Registrable
Common Shares so to be registered.

         (ii) Commencing on August 20, 2001, if Cisco desires to effect the
registration under the Securities Act of outstanding Registrable Common Shares,
Cisco may make a written request that the Company effect such registration;
PROVIDED that such registration (A) covers at least 20% of the Registrable
Common Shares beneficially owned by Cisco immediately following the closing
under the Note Purchase Agreement (determined on an as-converted basis) or (B)
is expected to result in an aggregate price to the public of not less than 20%
of the aggregate purchase price paid by Cisco to acquire shares of capital stock
of the Company pursuant to the Series B Purchase Agreement and the Series C Note
pursuant to the Note Purchase Agreement. Each such request will specify the
number of Registrable Common Shares proposed to be sold and will also specify
the intended method of disposition thereof. The Company will use its reasonable
best efforts to effect, as promptly as practicable, the registration under the
Securities Act of the Registrable Common Shares which the Company has been so
requested to register by Cisco pursuant to this Section 2.1(a)(ii), to the
extent necessary to permit the disposition (in accordance with the intended
methods thereof as aforesaid) of the Registrable Common Shares so to be
registered.

          (iii) Commencing on August 20, 2001, if the KPMG Investors desire to
effect the registration under the Securities Act of outstanding Registrable
Common Shares, the KPMG Investors may make a written request that the Company
effect such registration; PROVIDED that such registration (A) covers at least
20% of the Registrable Common Shares beneficially owned by the KPMG Investors
immediately following the closing under the Series D Purchase Agreement or (B)
is expected to result in an aggregate price to the public of not less than 20%
of the aggregate purchase price paid by the KPMG Investors to acquire shares of
Series D Preferred Stock of the Company pursuant to the Series D Purchase
Agreement. Such request will specify the number of shares of Registrable Common
Shares proposed to be sold and will also specify the intended method of
disposition thereof. The Company will use its reasonable best efforts to effect,
as promptly as practicable, the registration under the Securities Act of the
Registrable Common Shares which the Company has been so requested to register by
such KPMG Investors pursuant to this Section 2.1(a)(iii), to the extent
necessary to permit the disposition (in accordance with the intended methods
thereof as aforesaid) of the Registrable Common Shares so to be registered.

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         (iv)  Notwithstanding Sections 2.1(a)(i), (ii) and (iii),

                           (A) the Company shall not be obligated to file a
                  registration statement pursuant to this Section 2.1 until 180
                  days after the consummation of the Company's initial public
                  offering of its equity securities, provided that such
                  limitation shall not apply to any such demand made on or after
                  June 30, 2005;

                           (B) the Company shall not be obligated to file a
                  registration statement relating to a registration request
                  pursuant to this Section 2.1 at any time during the six-month
                  period immediately following the effective date of another
                  registration statement filed by the Company (other than a
                  registration statement on Form S-4 or Form S-8 or any
                  successor or similar form);

                           (C) the Company shall not be obligated to file
                  pursuant to this Section 2.1 more than (w) two registration
                  statements on Form S-1 or S-2 initiated by the MSVP Investors,
                  (x) two registration statements on Form S-1 or S-2 initiated
                  by Cisco, (y) one registration statement on form S-1 or S-2
                  initiated by the KPMG Investors and (z) during any consecutive
                  twelve-month period, two registration statements on Form S-3
                  (or any successor form) initiated by the MSVP Investors, two
                  registration statements on Form S-3 (or any successor form)
                  initiated by Cisco and one registration statement on Form S-3
                  (or any successor form) initiated by the KPMG Investors, it
                  being understood that the aggregate price to the public with
                  respect to each such registration statement on Form S-3 must
                  be expected to be not less than $1 million; and

                           (D) if the Board of Directors of the Company
                  determines in its good faith reasonable judgment that the
                  Company should not file any registration statement otherwise
                  required to be filed pursuant to Section 2.1(a) or should
                  withdraw any such previously filed registration statement
                  because the Company is engaged in or in good faith plans to
                  engage in any financing, acquisition or other material
                  transaction which would be adversely affected by the filing or
                  maintenance of a registration statement otherwise required to
                  be filed or maintained pursuant to this Section 2.1 or that
                  the Company is in the possession of material nonpublic
                  information required to be disclosed in such registration
                  statement or an amendment or supplement thereto,

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                  the disclosure of which in such registration statement would
                  be materially disadvantageous to the Company (a
                  "DISADVANTAGEOUS CONDITION"), the Company shall be entitled to
                  postpone for the shortest reasonable period of time (but not
                  exceeding 180 days from the date of the determination), the
                  filing of such registration statement or, if such registration
                  statement has already been filed, may withdraw such
                  registration statement and shall promptly give the Investors
                  written notice of such determination, containing a general
                  statement of the reasons for such postponement and an
                  approximation of the anticipated delay. If the Company shall
                  so postpone the filing or effect the withdrawal of the
                  registration statement, the Investors who made the request for
                  registration shall have the right to withdraw the request for
                  registration by giving written notice to the Company within 30
                  days after receipt of the notice of postponement. The
                  Company's right to delay a request for registration or to
                  withdraw a registration statement pursuant to this Section 2.1
                  may not be exercised more than once in any one-year period.

         As promptly as practicable after the receipt of a registration request
hereunder, the Company shall notify the Investors of any other Person requesting
shares of Common Stock to be included therein and the number of shares of Common
Stock requested to be included therein. The Investors that made the registration
request may, at any time prior to the effective date of the registration
statement relating to such registration, subject to Section 2.1(e), revoke such
request, without liability to any other Person, by providing a written notice to
the Company revoking such request. If the Company determines to take any action
pursuant to clause (D) above, the Company shall deliver a notice to the
Investors to such effect. Upon the receipt of any such notice, such Investors
shall forthwith discontinue use of the prospectus contained in such registration
statement and, if so directed by the Company, shall deliver to the Company all
copies of the prospectus then covering such Registrable Common Shares current at
the time of receipt of such notice (or, if no registration statement has yet
been filed, all drafts of the prospectus covering such Registrable Common
Shares). If any Disadvantageous Condition shall cease to exist, the Company
shall promptly notify the Investors to such effect. If any registration
statement shall have been withdrawn, the Company shall, if requested by the
Investors who made the request for registration, at such time as it is possible
or, if earlier, at the end of the 180-day period following such withdrawal, file
a new registration statement covering the Registrable Common Shares that were
covered by such withdrawn registration statement, and the effectiveness of such
registration statement shall be maintained for such time as may be necessary so
that the period of effectiveness of such new registration

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statement, when aggregated with the period during which such withdrawn
registration statement was effective, if any, shall be such time as may be
otherwise required by this Agreement.

          (b) PRIORITY PARTICIPATION IN REQUESTED REGISTRATIONS. If a
registration pursuant to this Section 2.1 involves a Public Offering and the
managing underwriter shall advise the Company that, in its view, the number or
proposed mix of securities requested to be included in such registration
(including securities which the Company requests to be included which are not
Registrable Common Shares) exceeds the largest number of securities which can be
sold without having a material adverse effect on such offering (the "MAXIMUM
OFFERING SIZE"), including the price at which such securities can be sold, the
Company will include in such registration:

                  (i) FIRST, the Registrable Common Shares requested to be
         included in such registration pursuant to Section 2.1(a) by the MSVP
         Investors (in the case of a registration initiated by one or more MSVP
         Investors), with such priorities among them as shall be determined by
         MSVP Investors holding a majority of the Registrable Common Shares
         requested to be included in such registration by all of the MSVP
         Investors, Cisco (in the case of a registration initiated by Cisco) or
         the KPMG Investors (in the case of a registration initiated by one or
         more KPMG Investors), with such priorities among them as shall by
         determined by KPMG Investors holding a majority of the Registrable
         Common Shares requested to be included in such registration by all KPMG
         Investors;

                  (ii) SECOND, the Registrable Common Shares requested to be
         include in such registration by persons entitled to participate therein
         pursuant to Section 2.2(a), with such priorities among them as are
         provided for in Section 2.2(b); and

                (iii) THIRD, shares of Common Stock to be sold for the account
         of other Persons (including the Company), with such priorities among
         them as the Company shall determine.

          (c) REGISTRATION STATEMENT FORM. Registrations under this Section 2.1
shall be on such appropriate registration form of the Commission as shall be
selected by the Company, subject to Section 2.1(a), and as shall be reasonably
acceptable to the Investors initiating the registration. Notwithstanding
anything herein to the contrary, if, pursuant to a registration request under
this Section 2.1, the Company proposes to effect registration by filing of a
registration statement on Form S-3 (or any successor or similar short-form
registration

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statement) and any managing underwriter shall advise the Company in
writing that, in its opinion, the use of another form of registration statement
is of material importance to the success of such proposed offering, then such
registration shall be effected on such other form.

          (d) EXPENSES. The Company will pay promptly all Registration Expenses
in connection with the registration requests made pursuant to this Section 2.1;
PROVIDED that the Company shall not be liable for fees and expenses of counsel
for all Investors in excess of $25,000 with respect to any single registration
requested hereunder. Each Investor shall pay all underwriting discounts and
commissions, if any, relating to the sale or disposition of such Investor's
Registrable Common Shares pursuant to a registration statement requested
pursuant to this Section 2.1.

          (e) EFFECTIVE REGISTRATION STATEMENT. A registration requested
pursuant to this Section 2.1 shall not be deemed to have been effected unless
either (i) the registration statement has been effective (and not subject to any
stop order, injunction or other order or requirement of the Commission or other
governmental agency or court for any reason) for a period of 90 days following
the date on which such registration statement was declared effective or such
shorter period which will terminate when all Registrable Common Shares covered
by such registration statement have been sold or (ii) the registration statement
is withdrawn after filing at the request of the Investors initiating such
registration or (iii) the registration statement is withdrawn prior to filing by
such Investors and such Investors fail to reimburse the Company for the
Registration Expenses (other than internal expenses of the Company) incurred by
the Company in connection therewith within 30 days of receipt of a reasonably
detailed invoice therefore.

          (f) UNDERWRITERS. The managing underwriter or underwriters of any
Public Offering effected pursuant to this Section 2.1 shall be selected, subject
to the Company's reasonable consent, by (i) MSVP Investors holding a majority of
the Registrable Common Shares requested to be registered by the MSVP Investors
in such registration, in the case of a registration initiated by one or more
MSVP Investors, (ii) Cisco, in the case of a registration initiated by Cisco, or
(iii) KPMG Investors holding a majority of the Registrable Common Shares
requested to be registered by the KPMG Investors in such registration, in the
case of a registration initiated by one or more KPMG Investors, and the price,
terms and provisions of the offering shall be subject to the approval of such
Investor(s). Any Affiliate of the MSVP Investors may be selected to serve,
subject to compliance with NASD Conduct Rule 2720, on an arms-length basis, as
underwriter for an underwritten offering effected pursuant to this Section 2.1.
The Company will enter into customary agreements (including an underwriting

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agreement in customary form) and take such other actions as are reasonably
required in order to expedite or facilitate the disposition of such Registrable
Common Shares.

         SECTION 2.2. PIGGY-BACK REGISTRATION RIGHTS. (a) RIGHT TO INCLUDE
REGISTRABLE COMMON SHARES. If the Company at any time proposes to register any
of its equity securities ("PRIORITY SECURITIES") under the Securities Act (other
than (i) by a registration on Form S-4, Form S-8 or any successor or similar
form or, (ii) in connection with a direct acquisition by the Company of another
Person), in each case whether or not for sale for its own account or as a result
of a demand from a securityholder, it will at each such time give prompt written
notice at least 30 days prior to the anticipated filing date of the registration
statement relating to such registration to the Investors of its intention to do
so and of the rights of the Investors under this Section 2.2. Any such notice
shall offer to each such Investor the opportunity to include in such
registration such number of Registrable Common Shares as such Investor may
request. Upon the written request of any Investor made within 20 days after the
receipt of any such notice (which request shall specify the number of
Registrable Common Shares intended to be disposed of by such Investor), the
Company will use its reasonable best efforts to effect the registration with the
Commission under the Securities Act and any related qualification or other
compliance of all Registrable Common Shares which the Company has been so
requested to register, to the extent required to permit the disposition of the
Registrable Common Shares to be so registered; PROVIDED that if, at any time
after giving written notice of its intention to register any securities and
prior to the effective date of the registration statement filed in connection
with such registration, the Company shall determine for any reason not to
register or to delay registration of such securities, the Company shall give
written notice of such determination to each Investor and, thereupon, (x) in the
case of a determination not to register, shall be relieved of its obligation to
register any Registrable Common Shares in connection with such registration (but
not from its obligation to pay the Registration Expenses in connection
therewith), without prejudice, however, to the rights of any Investor entitled
to do so, to request that such registration be effected as a registration under
Section 2.1, and (y) in the case of a determination to delay registering, shall
be permitted to delay registering any Registrable Common Shares, for the same
period as the delay in registering such other securities. If a registration
pursuant to this Section 2.2 involves a Public Offering, each Investor holding
Registrable Common Shares requesting to be included in such registration may
elect, in writing not less than five Business Days prior to the effective date
of the registration statement filed in connection with such registration, not to
register such securities in connection with such registration. No registration
effected under this Section 2.2 shall relieve the Company of its obligation to
effect any registration upon request under

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Section 2.1 except as provided therein. The Company will pay promptly all
Registration Expenses in connection with each registration of Registrable Common
Shares requested pursuant to this Section 2.2; PROVIDED that the Company shall
not be liable for fees and expenses of counsel for all Investors in excess of
$25,000 with respect to any single such registration. Each such Investor shall
pay all underwriting discounts and commissions, if any, relating to the sale or
disposition of such Investor's Registrable Common Shares pursuant to a
registration statement effected pursuant to this Section 2.2.

          (b) PRIORITY IN INCIDENTAL REGISTRATIONS. If a registration pursuant
to this Section 2.2 involves a Public Offering and the managing underwriter
shall advise the Company that, in its view, the number or mix of securities
(including all Registrable Common Shares) which the Company, the Investors and
any other Persons intend to include in such registration exceeds the Maximum
Offering Size, the Company will include in such registration, in the priority
listed below, securities up to the Maximum Offering Size:

                  (i) FIRST, Priority Securities to be sold for the Company's
         own account or as a result of a demand by a securityholder (pursuant to
         Section 2.1 or otherwise); and

                 (ii) SECOND, Registrable Common Shares and shares of Common
         Stock requested to be included in such registration pursuant to Section
         2.2 by the Investors. The number of Registrable Common Shares which can
         be sold pursuant to this paragraph (ii) (the "REMAINING AVAILABILITY")
         shall be allocated among the Investors as follows: The lesser of (A)
         30% of the sum of (1) number of Registrable Common Shares requested to
         be included by Cisco and (2) the number of Registrable Common Shares
         underlying shares of Series C Preferred Stock requested to be included
         by the MSVP Investors and (B) the Remaining Availability shall be
         allocated to Cisco and the MSVP Investors in the ratio 8.3:1. Any
         unused portion of the Remaining Availability after application of the
         preceding sentence up to the lesser of (x) 30% of the number of
         Registrable Common Shares (other than Registrable Common Shares
         underlying shares of Series C Preferred Stock) requested to be included
         by the MSVP Investors and (y) such unused portion of the Remaining
         Availability shall then be allocated pro rata among the MSVP Investors
         on the basis of the number of shares each MSVP Investor has requested
         to be included in such registration. Any unused portion of the
         Remaining Availability after application of the preceding sentence up
         to the lesser of (x) the number of Registrable Common Shares requested
         to be included by Cisco (but not in excess of (1) 30% of the number of
         Registrable Common Shares requested to be

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         included by Cisco less (2) the number of Registrable Common Shares
         allocated to Cisco pursuant to the second preceding sentence) and (y)
         such unused portion of the Remaining Availability shall then be
         allocated to Cisco. Any unused portion of the Remaining Availability
         after application of the preceding sentence up to the lesser of (x) the
         number of Registrable Common Shares requested to be included by the
         MSVP Investors (but not in excess of (1) 30% of the number of
         Registrable Common Shares underlying shares of Series C Preferred Stock
         requested to be included by the MSVP Investors less (2) the number of
         Registrable Common Shares allocated to the MSVP Investors pursuant to
         the third preceding sentence) and (y) such unused portion of the
         Remaining Availability shall then be allocated to the MSVSP Investors.
         Any unused portion of the Remaining Availability after application of
         the preceding four sentences shall be allocated pro rata among the
         Investors whose requests for inclusion in such registration have not
         theretofore been satisfied in full on the basis of the number of shares
         requested to be included in such registration that have not theretofore
         been included.

         SECTION 2.3. REGISTRATION PROCEDURES. If the Company is required to use
its reasonable best efforts to effect the registration of any Registrable Common
Shares under the Securities Act as provided in Section 2.1 or 2.2, the Company
will, as promptly as possible:

          (a) prepare and file with the Commission a registration statement on
an appropriate form (in accordance with Section 2.1(c)), and thereafter use its
reasonable best efforts to cause such registration statement to become effective
and to remain effective for the period specified in Section 2.1(e) and prepare
and file with the Commission such amendments and supplements to such
registration statement and the prospectus used in connection therewith as may be
necessary to keep such registration statement effective for the period specified
in Section 2.1(e) and to comply with the provisions of the Securities Act with
respect to the disposition of all securities covered by such registration
statement until such time as all of such securities have been disposed of in
accordance with the intended methods of disposition by the Investors thereof set
forth in such registration statement; PROVIDED that the Company will, at least 3
Business Days prior to filing a registration statement or prospectus or any
amendment or supplement thereto, furnish to each Investor copies of such
registration statement or prospectus (or amendment or supplement) as proposed to
be filed (including, upon the request of such Investor, documents to be
incorporated by reference therein) which documents will be subject to the
reasonable review and comments of such Investor (and its attorneys) during such
3-Business-Day period and the Company will not file any registration statement,
any prospectus or any amendment or supplement thereto (or any such documents
incorporated

                                       12
<PAGE>

by reference) containing any statements with respect to such Investor to which
such Investor shall reasonably object in writing during such period;

          (b) furnish to each Investor and to any underwriter such number of
conformed copies of such registration statement and of each such amendment and
supplement thereto (in each case including all exhibits), the prospectus
contained in such registration statement (including each preliminary prospectus
and any summary prospectus) and any other prospectus filed under Rule 424 or
Rule 430A under the Securities Act, in conformity with the requirements of the
Securities Act, documents incorporated by reference in such registration
statement, amendment, supplement or prospectus and such other documents (in each
case including all exhibits), as a Investor or underwriter may reasonably
request;

          (c) after the filing of the registration statement, promptly notify
each Investor of the effectiveness thereof and of any stop order issued or
threatened by the Commission and take all reasonable actions required to prevent
the entry of such stop order or to remove it if entered and promptly notify such
Investor of such lifting or withdrawal of such order;

          (d) use its reasonable best efforts to register or qualify all
Registrable Common Shares and other securities covered by such registration
statement under such other securities or blue sky laws of such jurisdictions as
the Investors or the underwriter shall reasonably request, to keep such
registration or qualification in effect for so long as such registration
statement remains in effect, and take any other action which may be reasonably
necessary or advisable to enable the Investors to consummate the disposition in
such jurisdictions of the securities owned by such Investors, except that the
Company shall not for any such purpose be required to qualify generally to do
business as a foreign corporation in any jurisdiction wherein it would not but
for the requirements of this Section 2.3(d) be obligated to be so qualified, to
subject itself to taxation in any such jurisdiction or to consent to general
service of process in any such jurisdiction;

          (e) use its reasonable best efforts to cause all Registrable Common
Shares covered by such registration statement to be registered with or approved
by such other governmental agencies or authorities as may be necessary to enable
the Investors to consummate the disposition of such Registrable Common Shares;

          (f) furnish to each Investor and to each underwriter, if any, a signed
counterpart of: (i) an opinion of counsel for the Company addressed to such
Investor and underwriter on which opinion both such Investor and such

                                       13
<PAGE>

underwriter are entitled to rely and (ii) a "comfort" letter signed by the
independent public accountants who have certified the Company's financial
statements included in such registration statement, each in customary form and
covering such matters of the type customarily covered by opinions or comfort
letters, as the case may be, as the Investors or the managing underwriter
therefor reasonably request. The Company will use its reasonable best efforts to
have such comfort letters addressed to each Investor;

          (g) immediately notify each Investor at any time when a prospectus
relating thereto is required to be delivered under the Securities Act, upon
discovery that, or upon the happening of any event as a result of which, the
prospectus included in such registration statement, as then in effect, includes
an untrue statement of a material fact or omits to state any material fact
required to be stated therein or necessary to make the statements therein not
misleading in the light of the circumstances under which they were made, and
promptly prepare and furnish to such Investor a reasonable number of copies of
any supplement to or amendment of such prospectus as may be necessary so that,
as thereafter delivered to the purchasers of such securities, such prospectus
shall not include an untrue statement of a material fact or omit to state a
material fact required to be stated therein or necessary to make statements
therein not misleading in the light of the circumstances under which they were
made;

          (h) make available for inspection by any Investor, any underwriter
participating in any disposition pursuant to such registration statement and any
attorney, accountant or other professional retained by any such Investor or
underwriter (collectively, the "INSPECTORS"), all financial and other records,
pertinent corporate documents and properties of the Company (collectively, the
"RECORDS") as shall be reasonably necessary to enable them to exercise their due
diligence responsibility, and shall use its reasonable best efforts to cause (i)
the Company's officers, directors and employees to supply all information
reasonably requested by any Inspectors and (ii) the senior management of the
Company and its subsidiaries to participate in any "road show" presentations to
investors, in each case in connection with such registration statement. Each
such Investor agrees that information obtained by it as a result of such
inspections shall be deemed confidential and shall not be used by it as the
basis for any market transactions in the securities of the Company or its
Affiliates unless and until such information is made generally available to the
public. Each such Investor further agrees that it will, upon learning that
disclosure of such Records is sought in a court of competent jurisdiction, give
notice to the Company and allow the Company, at its expense, to undertake
appropriate action to prevent disclosure of the Records deemed confidential;
PROVIDED that the Company's obligation to make the Records available to any
underwriter

                                       14
<PAGE>

shall be conditioned on comparable confidentiality undertakings by such
underwriter;

          (i) obtain a CUSIP number for the Common Stock (to the extent that a
CUSIP number has not previously been obtained);

          (j) use its reasonable best efforts to list all Registrable Common
Shares covered by such registration statement on any securities exchange or
quotation system on which any of the Company's securities are then listed or
traded, or to effect the listing of all such Registrable Common Shares on a
securities exchange or quotation system if Company's securities have not
previously been listed; and

          (k) otherwise use its reasonable best efforts to comply with all
applicable rules and regulations of the Commission, and make available to its
security securityholders, as soon as reasonably practicable, an earnings
statement covering the period of at least twelve months beginning with the first
full calendar month after the effective date of such registration statement,
which earnings statement shall satisfy the provisions of Section 11(a) of the
Securities Act and Rule 158 thereunder.

         The Company may require each Investor to promptly furnish to the
Company, as a condition precedent to including such Investor's Registrable
Common Shares in any registration, such information regarding such Investor and
the distribution of such securities as the Company may from time to time
reasonably request in writing.

         Each Investor agrees that upon receipt of any notice from the Company
of the happening of any event of the kind described in Section 2.3(g), such
Investor will forthwith discontinue such Investor's disposition of Registrable
Common Shares pursuant to the registration statement relating to such
Registrable Common Shares until such Investor's receipt of the copies of the
supplemented or amended prospectus contemplated by Section 2.3(g) and, if so
directed by the Company, will deliver to the Company (at the Company's expense)
all copies, other than permanent file copies, then in such Investor's
possession, of the prospectus and any amendments or supplements thereto relating
to such Registrable Common Shares current at the time of receipt of such notice.
In the event the Company shall give such notice, the period referred to in
Section 2.1(e) hereof shall be extended by the number of days during the period
from and including the date of the giving of notice pursuant to Section 2.3(g)
to the date when the Company shall make available to the Investors a prospectus
supplemented or amended to conform with the requirements of Section 2.3(g).

                                       15
<PAGE>

         SECTION 2.4. PARTICIPATION IN UNDERWRITTEN REGISTRATIONS. No Person may
participate in any Public Offering pursuant to Section 2.1 or 2.2 unless such
Person (i) agrees to sell such Person's securities on the basis provided in any
underwriting arrangements approved by the Persons entitled hereunder to approve
such arrangements and (ii) completes and executes all questionnaires, powers of
attorney, indemnities, underwriting agreements and other documents reasonably
required under the terms of such underwriting arrangements.

         SECTION 2.5. HOLDBACK AGREEMENTS. (a) If any registration or offering
of Common Stock shall be in connection with a Public Offering, each Investor
holding Registrable Common Shares agrees not to effect any public sale or
distribution of any Registrable Common Shares or any securities convertible into
or exchangeable or exercisable for Registrable Common Shares (in each case other
than as part of such Public Offering, to the extent provided for herein), if and
to the extent requested by the managing underwriter, for a period beginning on
the effective date of such registration statement (or such earlier date as may
be required by applicable law) and ending on the day requested by such managing
underwriter without the written consent of such managing underwriter; PROVIDED
that such period shall not extend beyond the 180th day after such effective date
and PROVIDED FURTHER that each such Investor has received written notice of such
registration at least five Business Days prior to the anticipated beginning of
the period referred to above.

          (b) If any registration or offering of Registrable Common Shares shall
be in connection with a Public Offering, the Company agrees (i) that, if and to
the extent requested by the managing underwriter, neither it nor any of its
Affiliates will effect any public sale or distribution of any of its equity
securities or of any security convertible into or exchangeable or exercisable
for any equity security of the Company (except as part of such Public Offering)
for a period beginning on the effective date of such registration statement (or
such earlier date as may be required by applicable law) and ending on the day
requested by such managing underwriter without the written consent of such
managing underwriter; PROVIDED that such period shall not extend beyond the
180th day after such effective date, and (ii) that any agreement entered into
after the date of this Agreement pursuant to which the Company issues or agrees
to issue any privately placed securities shall contain a provision under which
holders of such securities agree not to effect any public sale or distribution
of any such securities during the periods described in (i) above (except as part
of any such registration, if permitted).

         SECTION 2.6. INDEMNIFICATION. (a) INDEMNIFICATION BY THE COMPANY. The
Company agrees to indemnify and hold harmless each Investor, its officers,
directors and agents and each Person, if any, who controls such Investor within
the meaning of Section 15 of the Securities Act or Section 20 of the Exchange

                                       16
<PAGE>

Act from and against any and all losses, claims, damages, liabilities or
expenses caused by any untrue statement or alleged untrue statement of a
material fact contained in any registration statement or prospectus relating to
the Registrable Common Shares (as amended or supplemented if the Company shall
have furnished any amendments or supplements thereto) or caused by any omission
or alleged omission to state therein a material fact required to be stated
therein or necessary to make the statements therein not misleading, and the
Company will reimburse such Investor for any legal or any other expenses
reasonably incurred by it in connection with investigating or defending such
loss, claim, damage, liability or expense, except insofar as such losses,
claims, damages, liabilities or expenses are caused by any such untrue statement
or omission or alleged untrue statement or omission based upon information
furnished in writing to the Company by such Investor or on such Investor's
behalf expressly for use therein; PROVIDED that with respect to any untrue
statement or omission or alleged untrue statement or omission made in any
preliminary prospectus, or in any prospectus, as the case may be, the indemnity
agreement contained in this paragraph shall not apply to the extent that any
such loss, claim, damage, liability or expense results from the fact that a
current copy of the prospectus (or the amended or supplemented prospectus, as
the case may be) was not sent or given to the Person asserting any such loss,
claim, damage, liability or expense at or prior to the written confirmation of
the sale of the Registrable Common Shares concerned to such Person if it is
determined that the Company has provided such prospectus (or amended or
supplemented prospectus) and it was the responsibility of such Investor to
provide such Person with a current copy of the prospectus (or such amended or
supplemented prospectus, as the case may be) and such current copy of the
prospectus (or such amended or supplemented prospectus, as the case may be)
would have cured the defect giving rise to such loss, claim, damage, liability
or expense. The Company also agrees to indemnify any underwriters of the
Registrable Common Shares, their officers and directors and each Person who
controls such underwriters on substantially the same basis as that of the
indemnification of the Investors provided in this Section 2.6(a).

          (b) INDEMNIFICATION BY THE INVESTORS. Each Investor agrees, severally
but not jointly, to indemnify and hold harmless the Company, its officers,
directors and agents and each Person, if any, who controls the Company within
the meaning of either Section 15 of the Securities Act or Section 20 of the
Exchange Act to the same extent as the foregoing indemnity from the Company to
such Investor, but only (i) with respect to information furnished in writing by
such Investor or on such Investor's behalf expressly for use in any registration
statement or prospectus relating to the Registrable Common Shares, or any
amendment or supplement thereto, or any preliminary prospectus or (ii) to the
extent that any loss, claim, damage, liability or expense described in Section

                                       17
<PAGE>

2.6(a) results from the fact that a current copy of the prospectus (or the
amended or supplemented prospectus, as the case may be) was not sent or given to
the Person asserting any such loss, claim, damage, liability or expense at or
prior to the written confirmation of the sale of the Registrable Common Shares
concerned to such Person if it is determined that it was the responsibility of
such Investor to provide such Person with a current copy of the prospectus (or
such amended or supplemented prospectus, as the case may be) and such current
copy of the prospectus (or such amended or supplemented prospectus, as the case
may be) would have cured the defect giving rise to such loss, claim, damage,
liability or expense. Each such Investor also agrees to indemnify and hold
harmless the underwriters of the Registrable Common Shares, their officers and
directors and each Person who controls such underwriters on substantially the
same basis as that of the indemnification of the Company provided in this
Section 2.6(b). Each Investor's obligation to indemnify pursuant to this Section
is several in the proportion that the proceeds of the offering received by such
Investor bears to the total proceeds of the offering received by all the
Investors and not joint.

          (c) CONDUCT OF INDEMNIFICATION PROCEEDINGS. In case any proceeding
(including any governmental investigation) shall be instituted involving any
Person in respect of which indemnity may be sought pursuant to this Section 2.6,
such Person (an "INDEMNIFIED PARTY") shall promptly notify the Person against
whom such indemnity may be sought (the "INDEMNIFYING PARTY") in writing and the
Indemnifying Party shall assume the defense thereof, including the employment of
counsel reasonably satisfactory to such Indemnified Party, and shall assume the
payment of all fees and expenses; PROVIDED that the failure of any Indemnified
Party so to notify the Indemnifying Party shall not relieve the Indemnifying
Party of its obligations hereunder except to the extent that the Indemnifying
Party is materially prejudiced by such failure to notify. In any such
proceeding, any Indemnified Party shall have the right to retain its own
counsel, but the fees and expenses of such counsel shall be at the expense of
such Indemnified Party unless (i) the Indemnifying Party and the Indemnified
Party shall have mutually agreed to the retention of such counsel or (ii) in the
reasonable judgment of such Indemnified Party representation of both parties by
the same counsel would be inappropriate due to actual or potential differing
interests between them. It is understood that the Indemnifying Party shall not,
in connection with any proceeding or related proceedings in the same
jurisdiction, be liable for the reasonable fees and expenses of more than one
separate firm of attorneys (in addition to any local counsel) at any time for
all such Indemnified Parties, and that all such fees and expenses shall be
reimbursed as they are incurred. In the case of any such separate firm for the
Indemnified Parties, such firm shall be designated in writing by the Indemnified
Party that had the largest number of Registrable Common Shares included in such
registration. The Indemnifying Party shall not be liable for any settlement

                                       18
<PAGE>

of any proceeding effected without its written consent, but if settled with such
consent, or if there be a final judgment for the plaintiff, the Indemnifying
Party shall indemnify and hold harmless such Indemnified Parties from and
against any loss or liability (to the extent stated above) by reason of such
settlement or judgment. No Indemnifying Party shall, without the prior written
consent of the Indemnified Party, effect any settlement of any pending or
threatened proceeding in respect of which any Indemnified Party is or could have
been a party and indemnity could have been sought hereunder by such Indemnified
Party, unless such settlement includes an unconditional release of such
Indemnified Party from all liability arising out of such proceeding.

          (d) CONTRIBUTION. If the indemnification provided for in this Section
2.6 is unavailable to the Indemnified Parties in respect of any losses, claims,
damages or liabilities referred to herein, then each Indemnifying Party, in lieu
of indemnifying such Indemnified Party, shall contribute to the amount paid or
payable by such Indemnified Party as a result of such losses, claims, damages or
liabilities (i) as between the Company and the Investors on the one hand and the
underwriters on the other, in such proportion as is appropriate to reflect the
relative benefits received by the Company and such Investors on the one hand and
the underwriters on the other, from the offering of the Registrable Common
Shares, or if such allocation is not permitted by applicable law, in such
proportion as is appropriate to reflect not only the relative benefits but also
the relative fault of the Company and such Investors on the one hand and of such
underwriters on the other in connection with the statements or omissions which
resulted in such losses, claims, damages or liabilities, as well as any other
relevant equitable considerations and (ii) as between the Company on the one
hand and each such Investor on the other, in such proportion as is appropriate
to reflect the relative fault of the Company and of each such Investor in
connection with such statements or omissions, as well as any other relevant
equitable considerations. The relative benefits received by the Company and such
Investors on the one hand and such underwriters on the other shall be deemed to
be in the same proportion as the total proceeds from the offering (net of
underwriting discounts and commissions but before deducting expenses) received
by the Company and such Investors bear to the total underwriting discounts and
commissions received by such underwriters, in each case as set forth in the
table on the cover page of the prospectus. The relative fault of the Company and
such Investors on the one hand and of such underwriters on the other shall be
determined by reference to, among other things, whether the untrue or alleged
untrue statement of a material fact or the omission or alleged omission to state
a material fact relates to information supplied by the Company and such
Investors or by such underwriters. The relative fault of the Company on the one
hand and of each such Investor on the other shall be determined by reference to,
among other things, whether the untrue or alleged untrue statement

                                       19
<PAGE>

of a material fact or the omission or alleged omission to state a material fact
relates to information supplied by such party, and the parties' relative intent,
knowledge, access to information and opportunity to correct or prevent such
statement or omission.

         The Company and the Investors agree that it would not be just and
equitable if contribution pursuant to this Section 2.6 were determined by pro
rata allocation (even if the underwriters were treated as one entity for such
purpose) or by any other method of allocation which does not take account of the
equitable considerations referred to in the immediately preceding paragraph. The
amount paid or payable by an Indemnified Party as a result of the losses,
claims, damages or liabilities referred to in the immediately preceding
paragraph shall be deemed to include, subject to the limitations set forth
above, any legal or other expenses reasonably incurred by such Indemnified Party
in connection with investigating or defending any such action or claim.
Notwithstanding the provisions of this Section 2.6, no underwriter shall be
required to contribute any amount in excess of the amount by which the total
price at which the Registrable Common Shares underwritten by it and distributed
to the public were offered to the public exceeds the aggregate amount of any
damages which such underwriter has otherwise been required to pay by reason of
such untrue or alleged untrue statement or omission or alleged omission, and no
Investor shall be required to contribute any amount in excess of the amount by
which the total price at which the Registrable Common Shares of such Investor
were offered to the public exceeds the amount of any damages which such Investor
has otherwise been required to pay by reason of such untrue or alleged untrue
statement or omission or alleged omission. No Person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act)
shall be entitled to contribution from any Person who was not guilty of such
fraudulent misrepresentation. Each such Investor's obligation to contribute
pursuant to this Section 2.6 is several in the proportion that the proceeds of
the offering received by such Investor bears to the total proceeds of the
offering received by all such Investors and not joint.

         SECTION 2.7. TRANSFERABILITY OF RIGHTS; PARTICIPATION OF CERTAIN FUTURE
STOCKHOLDERS. Notwithstanding anything herein to the contrary, each of the
Investors shall have the right to transfer and assign, to any Person, any of its
rights under this Agreement in respect of any Registrable Common Shares held by
it; PROVIDED that (i) in the case of an MSVP Investor or a KPMG Investor, such
Person shall have acquired (or will acquire in connection with such transfer) at
least 80% of the Registrable Common Shares then held by all of the MSVP
Investors or KPMG Investors, as applicable, and (ii) in the case of Cisco, such
Person shall have acquired (or will acquire in connection with such transfer) at
least 500,000 of the Registrable Common Shares then held by Cisco.

                                       20
<PAGE>

Following any such transfer, such transferee shall possess the same rights under
this Agreement in respect of the Registrable Common Shares then owned by it as
the transferring Investor had possessed in respect of such securities prior to
the transfer.

         SECTION 2.8. RULE 144 REPORTING. With a view to making available to the
Investors, the benefits of certain rules and regulations of the Commission which
permit the sale of Common Stock to the public without registration, the Company
agrees to:

          (a) make and keep public information available as those terms are
understood and defined in Rule 144 promulgated under the Securities Act ("RULE
144") (including paragraph (c) (2) of such Rule);

          (b) file with the Commission in a timely manner reports and other
documents, if any, required of the Company under the Securities Act and the
Exchange Act; and

          (c) furnish to the Investors forthwith upon request a written
statement by the Company as to its compliance with the reporting requirements of
Rule 144, and of the Securities Act and the Exchange Act (if applicable), a copy
of the most recent annual or quarterly report of the Company filed with the
Commission, if any, and such other reports and documents of the Company and
other information in the possession of or reasonably obtainable by the Company
as the Investors may reasonably request in availing themselves of any rule or
regulation of the Commission allowing the Investors to sell securities without
registration.

                                    ARTICLE 3

                                  MISCELLANEOUS

         SECTION 3.1. ENTIRE AGREEMENT. This Agreement constitutes the entire
agreement and understanding of the parties hereto in respect of the subject
matter contained herein, and there are no restrictions, promises,
representations, warranties, covenants, or undertakings with respect to the
subject matter hereof, other than those expressly set forth or referred to
herein. This Agreement supersedes all prior agreements and understandings
between the parties hereto with respect to the subject matter hereof.

         SECTION 3.2. NOTICES. All notices, requests and other communications to
any party hereunder shall be in writing (including telecopier) and shall be
deemed to have been duly given or made if sent by telecopy, delivered personally
or sent by registered or certified mail (postage prepaid, return receipt

                                       21
<PAGE>

requested) to such party at its address or telecopier number set forth on the
signature pages hereof, or such other address or telecopier number as such party
may hereinafter specify for the purpose to the party giving such notice. All
such notices, requests and other communications shall be deemed received on the
date of receipt by the recipient thereof if received prior to 5:00 p.m. in the
place of receipt and such day is a Business Day in the place of receipt.
Otherwise, any such notice, request or communication shall be deemed not to have
been received until the next succeeding Business Day in the place of receipt.

         SECTION 3.3. APPLICABLE LAW. This Agreement shall be construed in
accordance with and governed by the laws of the State of New York, without
regard to the conflicts of law principles thereof.

         SECTION 3.4. SUCCESSORS, ASSIGNS, TRANSFEREES. The provisions of this
Agreement shall be binding upon and accrue to the benefit of the parties hereto
and their respective heirs, executors, administrators, successors and permitted
assigns; PROVIDED that the Company may not transfer or assign any of its rights
or obligations under this Agreement except in connection with a transaction of
the type referred to in Section 3.5. Nothing in this Agreement, expressed or
implied, is intended to confer on any Person other than the parties hereto, and
their respective successors and permitted assigns, any rights, remedies,
obligations or liabilities under or by reason of this Agreement.

         SECTION 3.5. RECAPITALIZATION, ETC. In the event that any capital stock
or other securities are issued in respect of, in exchange for, or in
substitution of, any shares of Common Stock by reason of any reorganization,
recapitalization, reclassification, merger, consolidation, spin-off, partial or
complete liquidation, stock dividend, split-up, sale of assets, distribution to
stockholders or combination of the Common Shares or any other change in capital
structure of the Company, appropriate adjustments shall be made with respect to
the relevant provisions of this Agreement so as to fairly and equitably
preserve, as far as practicable, the original rights and obligations of the
parties hereto under this Agreement.

         SECTION 3.6. REMEDIES. The parties hereto acknowledge and agree that in
the event of any breach of this Agreement, the parties would be irreparably
harmed and could not be made whole by monetary damages. Each party hereto
accordingly agrees (i) not to assert by way of defense or otherwise that a
remedy at law would be adequate, and (ii) that the parties agree, in addition to
any other remedy to which they may be entitled, that the remedy of specific
performance of this Agreement is appropriate in any action in court.

                                       22
<PAGE>

         SECTION 3.7. COUNTERPARTS. This Agreement may be executed in two or
more counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

         SECTION 3.8. WAIVERS; AMENDMENTS. (a) No failure or delay on the part
of any party in exercising any right, power or privilege hereunder shall operate
as a waiver thereof, nor shall any single or partial exercise thereof preclude
any other or further exercise thereof or the exercise of any other right, power
or privilege. The rights and remedies herein provided shall be cumulative and
not exclusive of any rights or remedies provided by law.

         (b) Any provision of this Agreement may be amended or waived if, but
only if, such amendment or waiver is in writing and is signed, in the case of an
amendment, by the parties hereto or, in the case of a waiver, by the party or
parties against whom the waiver is to be effective.

         SECTION 3.9. SEVERABILITY. If any provision of this Agreement shall be
declared void or unenforceable by any judicial or administrative authority, the
validity of any other provision and of the entire Agreement shall not be
affected thereby.

         SECTION 3.10. TITLES AND SUBTITLES. The titles and subtitles used in
this Agreement are for convenience only and are not to be considered in
construing or interpreting any term or provision of this Agreement.

[REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK]

                                       23
<PAGE>

         IN WITNESS WHEREOF, the parties have executed this Agreement as of the
day and year first above written.

                            TOTAL NETWORK SOLUTIONS, INC.

                            By:_______________________________________

                               Name:      Rami Musallam
                               Title:     President
                               Address:   545 Fifth Avenue
                                          14th Floor
                                          New York, NY 10017
                               Fax:       1-917-542-5525

                               MORGAN STANLEY VENTURE PARTNERS
                               III, L.P.

                               By:   Morgan Stanley Venture Partners III, L.L.C.
                                     its General Partner
                               By:   Morgan Stanley Venture Capital III, Inc.,
                                     its Institutional Managing Member

                               By:_______________________________________

                               Name:       Noah Walley
                               Title:      Vice President
                               Address:   1221 Avenue of the Americas
                                          New York, New York 10020
                                          Fax:   (212) 762-8424

                                       24
<PAGE>

                                MORGAN STANLEY VENTURE INVESTORS
                                III, L.P.

                                By:  Morgan Stanley Venture Partners III, L.L.C.
                                     its General Partner
                                By:  Morgan Stanley Venture Capital III, Inc.,
                                     its Institutional Managing Member

                                By:________________________________________

                                   Name:       Noah Walley
                                   Title:      Vice President
                                   Address:    1221 Avenue of the Americas
                                               New York, New York 10020
                                               Fax:   (212) 762-8424

                                THE MORGAN STANLEY VENTURE
                                PARTNERS ENTREPRENEUR FUND, L.P.

                                By:  Morgan Stanley Venture Partners III, L.L.C.
                                     its General Partner
                                By:  Morgan Stanley Venture Capital III, Inc.,
                                     its Institutional Managing Member

                                By:_________________________________________

                                   Name:       Noah Walley
                                   Title:      Vice President
                                   Address:    1221 Avenue of the Americas
                                               New York, New York 10020
                                               Fax:   (212) 762-8424

                                    MERRITT LUTZ

                                    _______________________________________
                                    Name:      Merritt Lutz
                                    Address:   750 Seventh Avenue
                                               16th Floor
                                               New York, New York 10019
                                    Fax:       (212) 762-0516

                                    CISCO SYSTEMS, INC.

                                    By:___________________________________
                                       Name: _____________________________
                                       Title:_____________________________
                                       Address:    170 West Tasman Drive
                                                   San Jose, California  95134
                                       Fax:        408-527-9215

                                    KPMG LLP

                                    By:___________________________________
                                       Name: _____________________________
                                       Title:_____________________________
                                       Address:
                                       Fax:

                                    KPMG CONSULTING, LLC

                                    By:___________________________________
                                       Name: _____________________________
                                       Title:_____________________________
                                       Address:
                                       Fax:

                                    KPMG U.K.

                                    By:___________________________________
                                       Name: _____________________________
                                       Title:_____________________________
                                       Address:
                                       Fax:<PAGE>

                                                                    Exhibit 10.3

                          TOTAL NETWORK SOLUTIONS, INC.
                   AMENDED AND RESTATED 1998 STOCK OPTION PLAN

                                   ARTICLE ONE

                               GENERAL PROVISIONS

                  I.  PURPOSE OF THE PLAN

                  This Amended and Restated 1998 Stock Option Plan is intended
to promote the interests of Total Network Solutions, Inc., a New York
corporation, by providing eligible persons with the opportunity to acquire a
proprietary interest, or otherwise increase their proprietary interest, in the
Corporation as an incentive for them to remain in the service of the
Corporation.

                  Capitalized terms shall have the meanings assigned to such
terms in the attached Appendix.

                  II. STRUCTURE OF THE PLAN

                  The Plan shall consist of an Option Grant Program under which
eligible persons may, at the discretion of the Plan Administrator, be granted
options to purchase shares of Common Stock.

                  III.   ADMINISTRATION OF THE PLAN

                  A. The Plan shall be administered by the Board. However, any
or all administrative functions otherwise exercisable by the Board may be
delegated to the Committee. Members of the Committee shall serve for such period
of time as the Board may determine and may be removed by the Board at any time.
The Board may also at any time terminate the functions of the Committee and
reassume all powers and authority previously delegated to the Committee. No
member of the Board or the Committee shall be liable for any act done in good
faith with respect to this Plan or any Incentive Option or Non-Statutory Option
Agreement. All expenses of administering this Plan shall be borne by the
Corporation.

                  B. The Plan Administrator shall have full power and authority
to establish such rules and regulations as it may deem appropriate for proper
administration of the Plan and to make such determinations under, and issue such
interpretations of, the Plan and any outstanding options issuances thereunder as
it may deem necessary or advisable. Decisions of the Plan Administrator shall be
final and binding on all parties who have an interest in the Plan or any option
issuance thereunder.

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                  IV. ELIGIBILITY

                  A. The persons eligible to participate in the Plan are as
                  follows:

                  (i) Employees of the Corporation or an Affiliate (including a
                  corporation that becomes an Affiliate after the adoption of
                  the Plan). However, only Employees of the Corporation (or any
                  Parent or Subsidiary) are eligible to receive Incentive
                  Options.

                  (ii) Non-employee members of the Board or the board of
                  directors of any Parent or Subsidiary.

                  (iii) Consultants (and other independent advisors) who provide
                  services to the Corporation (or any Affiliate, Parent or
                  Subsidiary).

                  B. The Plan Administrator shall have full authority to
determine, with respect to the option grants under the Option Grant Program,
which eligible persons are to receive option grants, the time or times when such
option grants are to be made, the number of shares to be covered by each such
grant, the status of the granted option as either an Incentive Option or a
Non-Statutory Option, the time or times at which each option is to become
exercisable, the vesting schedule (if any) applicable to the option shares and
the maximum term for which the option is to remain outstanding.

                         V.  STOCK SUBJECT TO THE PLAN

                  A. The stock issuable under the Plan shall be shares of
authorized but unissued or reacquired Common Stock. The maximum number of shares
of Common Stock which may be issued over the term of the Plan shall not exceed
2,769,234 shares, provided that upon the occurrence of the Second Closing (as
defined in the Purchase Agreement), the maximum number of shares of Common Stock
permitted to be issued over the term of the Plan shall be automatically
increased to 7,101,000 without further action of the Board or the stockholders
of the Corporation.

                  B. The maximum number of shares of Common Stock with respect
to which Incentive Options or Non-Statutory Options may be granted to any one
Participant during any one calendar year shall be 1,000,000 shares.

                  C. Shares of Common Stock subject to outstanding options shall
be available for subsequent issuance under the Plan to the extent (i) the
options expire or terminate for any reason prior to exercise in full or (ii) the
options are canceled in accordance with the cancellation-regrant provisions of
Article Two. Unvested shares issued under the Plan and subsequently repurchased
by the Corporation, at the option exercise price paid per share, pursuant to the

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Corporation's repurchase rights under the Plan shall be added back to the number
of shares of Common Stock reserved for issuance under the Plan and shall
accordingly be available for issuance through one or more subsequent option
grants under the Plan.

                  D. Should any change be made to the Common Stock by reason of
any stock split, stock dividend, recapitalization, combination of shares,
exchange of shares or other change affecting the outstanding Common Stock as a
class without the Corporation's receipt of consideration, appropriate
adjustments shall be made to (i) the maximum number and/or class of securities
issuable under the Plan and (ii) the number and/or class of securities and the
exercise price per share in effect under each outstanding option in order to
prevent the dilution or enlargement of benefits thereunder. The adjustments
determined by the Plan Administrator shall be final, binding and conclusive. In
no event shall any such adjustments be made in connection with the conversion of
one or more outstanding shares of the Corporation's preferred stock into shares
of Common Stock.

                                   ARTICLE TWO

                              OPTION GRANT PROGRAM

         I. OPTION TERMS

         Each option shall be evidenced by one or more documents in the form
approved by the Plan Administrator; PROVIDED, however, that each such document
shall comply with the terms specified below. Each document evidencing an
Incentive Option shall, in addition, be subject to the provisions of the Plan
applicable to such options.

         A. EXERCISE PRICE.

         1. The exercise price per share shall be fixed by the Plan
Administrator and may be less than, equal to or greater than the Fair Market
Value per share of Common Stock on the option grant date.

         2. The exercise price shall become immediately due upon exercise of the
option and shall, subject to the provisions of Section I of Article Three and
the documents evidencing the option, be payable in cash or check made payable to
the Corporation. Payment of the exercise price for the purchased shares must be
made on the Exercise Date.

         B. EXERCISE AND TERM OF OPTIONS.

         1. Each option shall vest and shall be exercisable at such time or
times, during such period and for such number of shares as shall be determined
by the Plan Administrator and set forth in the documents evidencing the option.
However, no option shall have a term in excess of

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ten (10) years measured from the option grant date. Subject to Section I.E of
this Article Two, an option will be exercisable only to the extent that it is
vested on the Exercise Date.

         2. The option holder must provide written notice to the Secretary of
the Corporation of the exercise of options granted under the Plan and the number
of options so exercised. An option granted under this Plan may be exercised with
respect to any number of whole shares less than the full number for which the
option could be exercised. An option may not be exercised with respect to
fractional shares of Common Stock. A partial exercise of an option shall not
affect the right to exercise the option from time to time in accordance with
this Plan and the applicable Agreement with respect to the remaining shares
subject to the option.

         C. EFFECT OF TERMINATION OF SERVICE.

         1. The following provisions shall govern the exercise of any options
held by the Optionee at the time of cessation of Service or death:

                  (i) Any option outstanding at the time of the Optionee's
                  cessation of Service for any reason shall remain exercisable
                  for such period of time thereafter as shall be determined by
                  the Plan Administrator and set forth in the documents
                  evidencing the option, but no such option shall be exercisable
                  after the expiration of the option term. However, if the
                  option would then expire during the Pooling Period and the
                  Common Stock received upon the exercise of the option would be
                  subject to the Pooling Period transfer restrictions, then the
                  right to exercise the Option will expire ten (10) calendar
                  days after the end of the Pooling Period. "Pooling Period"
                  means the period in which property is subject to restrictions
                  on transfer in compliance with the "Pooling of Interests
                  Accounting" rules set forth in the Securities and Exchange
                  Commission Accounting Series Releases 130 and 135.

                  (ii) Any option exercisable in whole or in part by the
                  Optionee at the time of death may be exercised subsequently by
                  the personal representative of the Optionee's estate or by the
                  person or persons to whom the option is transferred pursuant
                  to the Optionee's will or in accordance with the laws of
                  descent and distribution.

                  (iii) During the applicable post-Service exercise period, the
                  option may not be exercised in the aggregate for more than the
                  number of vested shares for which the option is exercisable on
                  the date of the Optionee's cessation of Service. Upon the
                  expiration of the applicable exercise period or (if earlier)
                  upon the expiration of the option term, the option shall
                  terminate and cease to be outstanding for any vested shares
                  for which the option has not been exercised. However, the
                  option shall, immediately upon the Optionee's cessation of
                  Service, terminate and cease

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<PAGE>

                  to be outstanding to the extent the option is not otherwise at
                  that time exercisable for vested shares.

                  (iv) Should the Optionee's Service be terminated for
                  Misconduct, then all outstanding options held by the Optionee
                  shall terminate and be forfeited by the Optionee immediately
                  and cease to be outstanding.

                  (v) In the event of an involuntary Termination following a
                  Corporate Transaction, the provisions of Section III of this
                  Article Two shall govern the period for which the outstanding
                  options are to remain exercisable following the Optionee's
                  cessation of Service and shall supersede any provisions to the
                  contrary in this section.

                  2. The Plan Administrator shall have the discretion,
exercisable either at the time an option is granted or at any time while the
option remains outstanding, to:

                  (i) Extend the period of time for which the option is to
                  remain exercisable following the Optionee's cessation of
                  Service from the period otherwise in effect for that option to
                  such greater period of time as the Plan Administrator shall
                  deem appropriate, but in no event beyond the expiration of the
                  option term, and/or

                  (ii) Permit the option to be exercised, during the applicable
                  post-Service exercise period, not only with respect to the
                  number of vested shares of Common Stock for which such option
                  is exercisable at the time of the Optionee's cessation of
                  Service but also with respect to one or more additional
                  installments in which the Optionee would have vested under the
                  option had the Optionee continued in Service. In the absence
                  of any such specification by the Plan Administrator, options
                  granted under the Plan shall nevertheless automatically
                  accelerate upon a Termination of the Optionee's Service to the
                  extent provided in any written employment agreement between
                  the Corporation and the Optionee.

                  D. STOCKHOLDER RIGHTS. The holder of an option shall have no
stockholder rights with respect to the shares subject to the option until such
person shall have exercised the option, paid the exercise price and become a
holder of record of the purchased shares.

                  E. REPURCHASE RIGHTS. The Plan Administrator shall have the
discretion to grant options which are exercisable for unvested shares of Common
Stock. Should the Optionee cease Service while holding such unvested shares, the
Corporation shall have the right to repurchase, at the exercise price paid per
share, any or all of those unvested shares. The terms upon which such repurchase
right shall be exercisable (including the period and procedure for exercise and
the appropriate vesting schedule for the purchased shares (which, unless
otherwise specified shall be the vesting schedule applicable to the options upon
exercise of which such shares were

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<PAGE>

purchased)) shall be established by the Plan Administrator and set forth in the
document evidencing such repurchase right.

                  F. FIRST REFUSAL RIGHTS. Until such time as the Common Stock
is first registered under Section 12(g) of the 1934 Act, the Corporation shall
have the right of first refusal with respect to any proposed disposition for
value by the Optionee (or any successor in interest) of any shares of Common
Stock issued under the Option Grant Program, subject and subordinate to any such
rights granted to third parties pursuant to the Purchase Agreement, any
agreements executed pursuant to the Purchase Agreement or any other agreement to
which the Corporation is a party and which has been approved by the
Corporation's Board of Directors. Such right of first refusal shall be
exercisable in accordance with the terms established by the Plan Administrator
and set forth in the document evidencing such right.

                  G. LIMITED TRANSFERABILITY OF OPTIONS. During the lifetime of
the Optionee, the option shall be exercisable only by the Optionee and shall not
be assignable or transferable other than by will or by the laws of descent and
distribution following the Optionee's death.

                  II. INCENTIVE OPTIONS

                  The terms specified below shall be applicable to all options
that are specifically designated as Incentive Options. Except as modified by the
provisions of this Section II, all the provisions of Articles One, Two and Four
shall be applicable to Incentive Options.

                  A. ELIGIBILITY. Incentive Options may only be granted to
Employees.

                  B. EXERCISE PRICE. The exercise price per share shall not be
less than one hundred percent (100%) of the Fair Market Value per share of
Common Stock on the option grant date.

                  C. 10% STOCKHOLDER. If any Employee to whom an Incentive
Option is granted is a 10% Stockholder, then the exercise price per share shall
not be less than one hundred ten percent (110%) of the Fair Market Value per
share of Common Stock on the option grant date and the option term shall not
exceed five (5) years measured from the option grant date.

                  D. STOCK CERTIFICATE LEGENDS. The Corporation may require that
certificates evidencing shares of Common Stock purchased upon the exercise of
Incentive Stock Options issued under the Plan be endorsed with a legend in
substantially the following form:

                           The shares evidenced by this certificate may not be
                           sold or transferred prior to ________, 19__ in the
                           absence the absence of a written statement from the
                           Corporation to the effect that the Corporation is
                           aware of the facts of such sale or transfer.

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<PAGE>

                  The blank contained in this legend shall be filled in with the
date that is the later of (i) one year and one day after the date of exercise of
such Incentive Option or (ii) two years and one day after the date of the grant
of such Incentive Option. Upon delivery to the Corporation, at its principal
executive office, of a written statement to the effect that such shares have
been sold or transferred prior to such date, the Corporation does hereby agree
to promptly deliver to the transfer agent for such shares a written statement to
the effect that the Corporation is aware of the fact of such sale or transfer.

                  E. DISPOSITION OF STOCK. An Optionee shall notify the
Corporation of any sale or other disposition of Common Stock acquired pursuant
to an Incentive Option if such sale or disposition occurs (i) within two years
of the grant of an Incentive Option or (ii) within one year of the issuance of
the Common Stock to the Optionee. Such notice shall be in writing and directed
to the Secretary of the Corporation.

                  III.   CORPORATE TRANSACTION

                  A. The existence of outstanding options issued under this Plan
shall not affect the right or power of the Corporation or its stockholders to
make or authorize any or all adjustments, recapitalizations, reorganizations or
other changes in the Corporation's capital structure or its business, or any
merger or consolidation of the Corporation, or any issuance of bonds, debentures
preferred or prior preference stock ahead of or affecting the Common Stock or
the rights thereof, or the dissolution or liquidation of the Corporation, or any
sale or transfer of all or any part of its assets or business, or any other
corporate act or proceeding, whether of a similar character or otherwise.

                  B. In the event of any Corporate Transaction, each outstanding
option shall automatically accelerate so that each such option shall,
immediately prior to the effective date of the Corporate Transaction, become
fully exercisable for all of the shares of Common Stock at the time subject to
such option and may be exercised for any or all of those shares as fully vested
shares of Common Stock. However, an outstanding option shall not so accelerate
if and to the extent: (i) such option is, in connection with the Corporate
Transaction, either to be assumed by the successor corporation (or parent
thereof) or to be replaced with a comparable option to purchase shares of the
capital stock of the successor corporation (or parent thereof), (ii) such option
is to be replaced with a cash incentive program of the successor corporation
which preserves the spread existing on the unvested option shares at the time of
the Corporate Transaction and provides for subsequent payout in accordance with
the same vesting schedule applicable to such option or (iii) the acceleration of
such option is subject to other limitations imposed by the Plan Administrator at
the time of the option grant. The determination of option comparability under
clause (i) above shall be made by the Plan Administrator, and its determination
shall be final, binding and conclusive.

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<PAGE>

                  C. All outstanding repurchase rights shall also terminate
automatically, and the shares of Common Stock subject to those terminated rights
shall immediately vest in full, in the event of any Corporate Transaction,
except to the extent: (i) those repurchase rights are to be assigned to the
successor corporation (or parent thereof) in connection with such Corporate
Transaction or (ii) such accelerated vesting is precluded by other limitations
imposed by the Plan Administrator at the time the repurchase right is issued.

                  D. Immediately following the consummation of the Corporate
Transaction, all outstanding options shall terminate and cease to be
outstanding, except to the extent assumed by the successor corporation (or
parent thereof).

                  E. Each option which is assumed in connection with a Corporate
Transaction shall be appropriately adjusted, immediately after such Corporate
Transaction, to apply to the number and class of securities which would have
been issuable to the Optionee in consummation of such Corporate Transaction had
the option been exercised immediately prior to such Corporate Transaction.
Appropriate adjustments shall also be made to (i) the number and class of
securities available for issuance under the Plan following the consummation of
such Corporate Transaction and (ii) the exercise price payable per share under
each outstanding option, provided the aggregate exercise price payable for such
securities shall remain the same.

                  F. The Plan Administrator shall have the discretion,
exercisable either at the time the option is granted or at any time while the
option remains outstanding, to provide for the automatic acceleration, in whole
or in part, of one or more outstanding options (and the automatic termination,
in whole or in part, of one or more outstanding repurchase rights, with the
immediate vesting of the shares of Common Stock subject to those terminated
rights) upon the occurrence of (i) a Corporate Transaction, whether or not those
options are to be assumed or replaced (or those repurchase rights are to be
assigned) in the Corporate Transaction or (ii) a change of control transaction
(as defined by the Plan Adminstrator and set forth in the documents establishing
the terms of such options) that is not a Corporate Transaction.

                  G. The Plan Administrator shall also have full power and
authority to grant options under the Plan which will automatically accelerate in
whole or in part should the Optionee's Service subsequently terminate by reason
of an involuntary Termination within a designated period (not to exceed eighteen
(18) months) following the effective date of any Corporate Transaction in which
those options are assumed or replaced or the effective date of a change of
control transaction and do not otherwise accelerate. Any options so accelerated
shall remain exercisable for fully-vested shares until the earlier of (i) the
expiration of the option term or (ii) the expiration of a period determined by
the Plan Administrator (not to exceed one (1) year measured from the effective
date of the involuntary Termination).

                  IV. CANCELLATION AND REGRANT OF OPTIONS

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<PAGE>

                  The Plan Administrator shall have the authority to effect, at
any time and from time to time, with the consent of the affected option holders,
the cancellation of any or all outstanding options under the Option Grant
Program and to grant in substitution new options covering the same or different
number of shares of Common Stock but with an exercise price per share based on
the Fair Market Value per share of Common Stock on the new grant date.

                                  ARTICLE THREE

                                  MISCELLANEOUS

                  I.  FINANCING

                  A. The Plan Administrator may permit any Optionee or
Participant to pay the option exercise price for shares issued under the Plan by
delivering a promissory note payable in one or more installments. The terms of
any such promissory note (including the interest rate and the terms of
repayment) shall be established by the Plan Administrator in its sole
discretion. Promissory notes may be authorized with or without security or
collateral. In all events, the maximum credit available to the Optionee or
Participant may not exceed the SUM of (i) the aggregate option exercise price or
purchase price payable for the purchased shares plus (ii) any Federal, state and
local income and employment tax liability incurred by the Optionee or the
Participant in connection with the option exercise.

                  B. The Plan Administrator may, in its discretion, determine
that one or more such promissory notes shall be subject to forgiveness by the
Corporation in whole or in part upon such terms as the Plan Administrator may
deem appropriate.

                  C. The Optionee or Participant may pay the option exercise
price for shares issued under the Plan, as well as any federal, state and local
income and employment tax liability arising in connection with such exercise, by
surrendering or electing to have withheld by the Corporation shares of capital
stock of the Corporation previously acquired by the Optionee or Participant,
except that the Plan Administrator may restrict the Optionee's or Participant's
right to so surrender or elect to the extent that such restrictions are
determined by the Plan Administrator in its sole discretion to be necessary in
order to avoid adverse accounting consequences to the Corporation. The Plan
Administrator may also permit any Optionee or Participant to pay the option
exercise price for shares issued under the Plan by other means, including, on
and after the date of the initial public offering of the Corporation's Common
Stock, through a sale and remittance procedure established by the Corporation.

                  II. EFFECTIVE DATE AND TERM OF THE PLAN

                  A. The Plan shall become effective when adopted by the Board,
but no option granted under the Plan may be exercised, and no shares shall be
issued under the Plan, until the

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Plan is approved by the Corporation's stockholders. If such stockholder approval
is not obtained within twelve (12) months after the date of the Board's adoption
of the Plan, then all options previously granted under the Plan shall terminate
and cease to be outstanding, and no further options shall be granted and no
shares shall be issued under the Plan. Subject to such limitation, the Plan
Administrator may grant options and issue shares under the Plan at any time
after the effective date of the Plan and before the date fixed herein for
termination of the Plan.

                  B. The Plan shall terminate upon the EARLIEST of (i) the
expiration of the ten (10)-year period measured from the date the Plan is
adopted by the Board, (ii) the date on which all shares available for issuance
under the Plan shall have been issued pursuant to the exercise of options or the
issuance of shares (whether vested or unvested) under the Plan or (iii) the
termination of all outstanding options in connection with a Corporate
Transaction. Upon such Plan termination, all options outstanding under the Plan
shall continue to have full force and effect in accordance with the provisions
of the documents evidencing such options.

                  III.   AMENDMENT OF THE PLAN

                  A. The Board shall have complete and exclusive power and
authority to amend or modify the Plan in any or all respects. However, no such
amendment or modification shall adversely affect any rights and obligations with
respect to options at the time outstanding under the Plan, unless the Optionee
consents to such amendment or modification. In addition, the Board shall not,
without the approval of the Corporation's stockholders, (i) increase the maximum
number of shares issuable under the Plan, except for permissible adjustments in
the event of certain changes in the Corporation's capitalization, (ii)
materially modify the eligibility requirements for Plan participation or (iii)
materially increase the benefits accruing to Plan participants.

                  B. Options to purchase shares of Common Stock may be granted
under the Plan that are in each instance in excess of the number of shares then
available for issuance under the Plan, provided any excess shares actually
issued under the Plan are held in escrow until there is obtained stockholder
approval of an amendment sufficiently increasing the number of shares of Common
Stock available for issuance under the Plan or increasing the maximum number of
shares of Common Stock with respect to which any one Participant may be granted
options in any one calendar year. If such stockholder approval is not obtained
within twelve (12) months after the date the first such excess grants are made,
then (i) any unexercised options granted on the basis of such excess shares
shall terminate and cease to be Outstanding and (ii) the Corporation shall
promptly refund to the Optionees the exercise price paid for any excess shares
issued under the Plan and held in escrow, together with interest (at the
applicable Short-Term Federal Rate) for the period the shares were held in
escrow, and such shares shall thereupon be automatically canceled and cease to
be outstanding.

                  IV. USE OF PROCEEDS

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<PAGE>

                  Any cash proceeds received by the Corporation from the sale of
shares of Common Stock under the Plan shall be used for general corporate
purposes.

                  A.  WITHHOLDING

                  The Corporation's obligation to deliver shares of Common Stock
upon the exercise of any options issued under the Plan shall be subject to the
satisfaction of all applicable Federal, state and local income and employment
tax withholding requirements.

                  V.  REGULATORY APPROVALS

                  The implementation of the Plan, the granting of any option
under the Plan and the issuance of shares of Common Stock upon the exercise of
any option shall be subject to the Corporation's procurement of all approvals
and permits required by regulatory authorities having jurisdiction over the Plan
and the options granted under it. The Corporation shall have the right to rely
on an opinion of its counsel as to such compliance.

                  VI. NO EMPLOYMENT OR SERVICE RIGHTS

                  Nothing in the Plan shall confer upon the Optionee or the
Participant any right to continue in Service for any period of specific duration
or interfere with or otherwise restrict in any way the rights of the Corporation
(or any Parent or Subsidiary employing or retaining such person) or of the
Optionee or the Participant, which rights are hereby expressly reserved by each,
to terminate such person's Service at any time for any reason, with or without
cause.

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                                    APPENDIX

                  The following definitions shall be in effect under the Plan:

         A. AFFILIATE shall mean (i) any entity that directly or indirectly, is
controlled by, or controls or is under common control with the Corporation, and
(ii) any entity in which the Corporation has a significant equity interest, in
either case determined by the Committee

         B. BOARD shall mean the Corporation's Board of Directors.

         C. CODE shall mean the Internal Revenue Code of 1986, as amended.

         D. COMMITTEE shall mean a committee of two (2) or more Board members
meeting the requirements of Rule 16b-3 under the Securities Exchange Act of 1934
and Treasury Regulation 162.1-27(e)(iii) appointed by the Board to exercise one
or more administrative functions under the Plan.

         E. COMMON STOCK shall mean the Corporation's common stock.

         F. CONSULTANT means any person performing consulting or advisory
services for the Corporation (or any Affiliate, Parent or Subsidiary), with or
without compensation, to whom the Committee chooses to grant a Non-Statutory
Option in accordance with the Plan.

         G. CORPORATE TRANSACTION shall mean either of the following stockholder
approved transactions to which the Corporation is a party:

                  (a) a merger or consolidation in which (i) the Corporation is
                  not the surviving corporation or (ii) securities possessing
                  more than fifty percent (50%) of the total combined voting
                  power of the Corporation's outstanding securities are issued
                  or transferred to persons holding securities of the
                  non-surviving corporation (whether or not such persons are
                  also securityholders of the Corporation), or

                  (b) the sale, transfer or other disposition of all or
                  substantially all of the Corporation's assets in complete
                  liquidation or dissolution of the Corporation.

         H. CORPORATION shall mean Total Network Solutions, Inc., a New York
corporation, and any corporate successor to all or substantially all of the
assets or voting stock of Total Network Solutions, Inc. which shall by
appropriate action adopt the Plan.

         I. EMPLOYEE shall mean an individual who is in the employ of the
Corporation (or any Affiliate, Parent or Subsidiary), subject to the control and
direction of the employer entity as to both the work to be performed and the
manner and method of performance.

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<PAGE>

         J. EXERCISE DATE shall mean the date on which the Corporation shall
have received written notice of the option exercise.

         K. FAIR MARKET VALUE per share of Common Stock on any relevant date
shall be determined in accordance with the following provisions:

                  (a) If the Common Stock is at the time traded on the NASDAQ
         National Market, then the Fair Market Value shall be the closing
         selling price per share of Common Stock on the date in question, as
         such price is reported by the National Association of Securities
         Dealers on the NASDAQ National Market or any successor system.

                  (b) If there is no closing selling price for the Common Stock
         on the date in question, then the Fair Market Value shall be the
         closing selling price on the last preceding date for which such
         quotation exists.

                  (c) If the Common Stock is at the time listed on any Stock
         Exchange, then the Fair Market Value shall be the closing selling price
         per share of Common Stock on the date in question on the Stock Exchange
         determined by the Plan Administrator to be the primary market for the
         Common Stock, as such price is officially quoted in the composite tape
         of transactions on such exchange. If there is no closing selling price
         for the Common Stock on the date in question, then the Fair Market
         Value shall be the closing selling price on the last preceding date for
         which such quotation exists.

                  (d) If the Common Stock is at the time neither listed on any
         Stock Exchange nor traded on the NASDAQ National Market, then the Fair
         Market Value shall be determined by the Plan Administrator after taking
         into account such factors as the Plan Administrator shall deem
         appropriate.

         L. INCENTIVE OPTION shall mean an option which satisfies the
requirements of Code Section 422.

         M. INVOLUNTARY TERMINATION shall mean the termination of the Service of
any individual which occurs by reason of:

         (a) such individual's involuntary dismissal or discharge by the
Corporation for reasons other than Misconduct, or

         (b) such individual's voluntary resignation following (A) a change in
his or her position with the Corporation which materially reduces his or her
level of responsibility or (B) a reduction in his or her level of compensation
(including base salary, fringe benefits and participation in
corporate-performance based bonus or incentive programs) by more than fifteen

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<PAGE>

percent (15%), provided and only if such change or reduction is effected by the
Corporation without the individual's consent.

         N. MISCONDUCT shall deemed to include all of the acts and circumstances
constituting "Cause" within the meaning of the Form of Shareholders Agreement
annexed as Exhibit B to the Purchase Agreement.

         O. 1934 ACT shall mean the Securities Exchange Act of 1934, as amended.

         P. NON-STATUTORY OPTION shall mean an option not intended to satisfy
the requirements of Code Section 422.

         Q. OPTION GRANT PROGRAM shall mean the option grant program in effect
under the Plan.

         R. OPTIONEE shall mean any person to whom an option is granted under
the Option Grant Program.

         S. PARENT shall mean any corporation (other than the Corporation) in an
unbroken chain of corporations ending with the Corporation, provided each
corporation in the unbroken chain (other than the Corporation) owns, at the time
of the determination, stock possessing fifty percent (50%) or more of the total
combined voting power of all classes of stock in one of the other corporations
in such chain.

         T. PARTICIPANT shall mean any person who is issued shares of Common
Stock under the Stock Issuance Program.

         U. PURCHASE AGREEMENT shall mean the Series A Senior Redeemable
Preferred Stock and Common Stock Purchase Agreement dated as of August 7, 1998,
among the Corporation, Morgan Stanley Venture Investors III, L.P., Morgan
Stanley Venture Partners III, L.P., Morgan Stanley Venture Partners Entrepreneur
Fund, L.P. and Merritt Lutz.

         V. PERMANENT DISABILITY shall mean the inability of the Optionee or the
Participant to engage in any substantial gainful activity by reason of any
medically determinable physical or mental impairment expected to result in death
or to be of continuous duration of twelve (12) months or more.

         W. PLAN shall mean the Corporation's Amended and Restated 1998 Stock
Option Plan, as set forth in this document.

         X. PLAN ADMINISTRATOR shall mean either the Board or the Committee, to
the

                                       14
<PAGE>

extent the Committee is at the time responsible for the administration of the
Plan.

         Y. SERVICE shall mean the provision of services to the Corporation (or
any Parent or Subsidiary) by a person in the capacity of an Employee, a
non-employee member of the board of directors or a consultant or independent
advisor, except to the extent otherwise specifically provided in the documents
evidencing the option.

         Z. STOCK EXCHANGE shall mean either the American Stock Exchange or the
New York Stock Exchange.

         AA. SUBSIDIARY shall mean any corporation (other than the Corporation)
in an unbroken chain of corporations beginning with the Corporation, provided
each corporation (other than the last corporation) in the unbroken chain owns,
at the time of the determination, stock possessing fifty percent (50%) or more
of the total combined voting power of all classes of stock in one of the other
corporations in such chain.

         BB. 10% STOCKHOLDER shall mean the owner of stock (as determined under
Code Section 424(d)) possessing more than ten percent (10%) of the total
combined voting power of all classes of stock of the Corporation (or any Parent
or Subsidiary).

         CC. TERMINATION means with respect to an individual the last to occur
of termination of an Employee's employment with the Corporation and its
Affiliates, the termination of a Director's membership on the Board and the
termination of a Consultant's consulting relationship with the Corporation and
its Affiliates.

                                       15

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