Operations andmanagement ofMPLS networks
Norman Kincl
Solution Manager, ISM for NGNHP© 2004 Hewlett-Packard Development Company, L.P.
The information contained herein is subject to change without notice

“Carriers will probably not be able tosuccessfully converge their networks
on a common MPLS transport unless
more attention is paid to themanagement of the MPLS
infrastructure.”
Leif Hoglund
RHK, August 2004

Dimensions of MPLS management
Attention needs to be paid to• managing across business processes• managing the customer’s service end to end• managing top to bottom

2005年11月24日

2Management model—ISM for Next
Generation Networks
Service fulfillment

Service assurance

Service usage

Customer portal
Executive dashboard
Order entry &management
Process manager

Problemmanagement

Service levelmanagement

Business
intelligence

Billing

Process-enabled message bus

Serviceactivation

Inventory& design

Fault
management

Network
services

IP VPN

VPLS

cable

FTTx

Core
networks

Accessnetworks

DSL

IP

Performance
management

Usage
mediation

VPWS

TE

MPLS

ATM/FR

SDH/SONET transmission

Network infrastructure
2005年11月24日

3

Managing acrossall the businessprocesses
Service fulfillment

Service assurance

Service usage

Problemmanagement

Billing

Customer portal
Executive dashboard
Order entry &management

Service level
management

Process manager

Process
Process-enabled
and functionality
message bus

Serviceactivation

Inventory& design

Fault
management

Network
services

IP VPN

VPLS

cable
Network infrastructure

FTTx

Corenetworks

Accessnetworks

DSL

IP

Business
intelligence

Performance
management

Usage
mediation

VPWS

TE

MPLS
SDH/SONET transmission

ATM/FR

TMF eTOM Vertical
Process
Functionalframework
processes
processes
customercustomerstrategy,
strategy, infrastructure,
infrastructure, && productproduct
strategy
strategy &&commitcommit

HP ISM
focus

operations
operations

infrastructure
product
product
infrastructurelifecycle
lifecycle
lifecycle
lifecycle
management
management
management management

operations,operations,support,support, &&readinessreadiness

fulfillment
fulfillment

assurance
assurance

marketingmarketing && offer
offer management
management

customercustomer relationshiprelationship management
management

serviceservice development
development && management
management

serviceservice management
management && operations
operations

resource
resource development
development && management
management(application,computing,and(application, computing, and network)
network)

resource
resource management
management && operations
operations(application,computing,and(application, computing, and network)
network)

supplysupply chain
chain development
development && management
management

supplier/partner
supplier/partner relationshiprelationship management
management

enterpriseenterprisemanagement
management

strategic
strategic &&enterpriseenterprise planningplanning

financialfinancial asset
asset
management
management
2005年11月24日

brand
brand management,
management,
marketmarket research,
research, &&advertising
advertising

shareholder
shareholder && external
external
relationsmanagement
relations managementhuman
human resources
resources
management
management

research
research &&development,
development,
technology
technology
acquisitionacquisition

billingbillingdisasterdisaster recovery,recovery,security,security, && fraud
fraudmanagement
management

enterpriseenterprise quality
quality
management,management, processprocess && ITIT
planning
planning && architecturearchitecture
5Lifecycles
servicerequestin service

service
template
creation

service
operations &monitoring

servicedevelopment &deployment

serviceprovisioning

servicemonitoring &reporting

serviceplanning &definition

sales &
ordering

service offer
lifecycle

pre-service

2005年11月24日

invoicing &collections

servicechange ortermination

resourceplanning &development

servicewithdrawal

service instance lifecycleresource
provisioning

resource lifecycle

resource
configuration
management
resource data
management

serviceevolution orwithdrawal

resource
maintenance& restoration

6

BSNL overview
Business requirements• Common IP infrastructure• Diversified Intranet access•Largest Incumbent Telco Service provider inIndia•Annual turnover – USD 7 billion•Services and customer base
−Fixed phone – 25mil−GSM – 5mil
−WLL – 1mil
−ISP – 1.5 mil−Enterprise leased line

•Building National Information Backbone−MPLS/VPN services−DSL broadband−Dialup narrowband−IDC

2005年11月24日

services (VPN)• Make the service very simple

for customers to use• Make the service very

scalable and flexible• Meet wide range of QoS

and connectivity
requirements• Offer fully managed services

to customers• Allow BSNL to introduce

additional services oversame network

7

BSNL MPLS core network

STM-1
STM-16
Core A1 (Cisco 12416)

Network size
P routers: 20
PE routers: 120
CE routers: 35000
2005年11月24日

Core A2 (Cisco 12010)
Core A3 (Cisco 12010)
Core A4 (Juniper M40e)
8

BSNL solution focus
customercustomerstrategy,strategy, infrastructure,infrastructure, && productproduct
strategy
strategy &&commitcommitoperations
operations

infrastructure
product
product
infrastructure
lifecycle
lifecycle
lifecycle
lifecycle
management
management
management management

operations,operations,support,support, &&readinessreadiness

fulfillment
fulfillment

assurance
assurance

marketingmarketing && offer
offer management
management

customercustomer relationshiprelationship management
management

serviceservice development
development && management
management

serviceservice management
management && operations
operations

resource
resource development
development && management
management(application,computing,and(application, computing, and network)
network)

resource
resource management
management && operations
operations(application,computing,and(application, computing, and network)
network)

supplysupply chain
chain development
development && management
management

supplier/partner
supplier/partner relationshiprelationship management
management

enterpriseenterprisemanagement
management

strategic
strategic &&enterpriseenterprise planningplanning

financialfinancial asset
asset
management
management
2005年11月24日

brand
brand management,management,market
market research,
research, &&advertising
advertising

shareholder
shareholder && external
external
relationsmanagement
relations managementhuman
human resources
resources
management
management

research
research &&development,
development,
technology
technology
acquisitionacquisition

billingbillingdisasterdisaster recovery,
recovery,security,security, && fraud
fraudmanagement
management

enterpriseenterprise quality
quality
management,
management, processprocess && ITIT
planning
planning && architecturearchitecture
9

The BSNL solution
Service fulfillment

Service assurance

Service usage

Problemmanagement

Billing

Customer
Service
Information
portalPortalExecutive dashboard
Order entry &management

Service level
management

Process manager

Process-enabled message bus

ServiceOVSA
activation

TeMIP, NNM, PerformanceFault
OVPI
management management
OVO

Inventory& design

Business
intelligence

Usage
IUM
mediation

Service provider infrastructure
2005年11月24日

10Managing thecustomer’s service
end-to-end
Service fulfillment

Service assurance

Service usage

Problemmanagement

Billing

Customer portal
Executive dashboard
Order entry &management

Service levelmanagement

Process manager

Process-enabled message bus

Serviceactivation

Inventory& design

Fault
management

Network
services

IP VPN

VPLS

Business
intelligence

Performance
management

Usage
mediation

VPWS

TEDSL
cable

Network infrastructure

FTTx

Corenetworks

Accessnetworks

End-to-end
IP

MPLS
SDH/SONET transmission

ATM/FRThe end-to-end service—IP VPN
exampleIPsec

Remote site

Internet access

VPNFirewall

Site A

InternetCE
CEPEPE

CE
CEPEPEManaged CE

PP
PPSite BPEPE

MPLS core

Access network

NAT, DHCP

PE
PE
Site C2005年11月24日

CE
CE

MPLS edge

PP

CE
CE
PE
PE

Customer 2

CE
CE Customer 212Sample access networks—CE to PE
connection
DS3 Access circuit
CE router
ACCE
SS

Ethernet VLAN access circuit
PE routerSTS-1 Trail/
DS3 Access Circuit

CE router
Ethernet
VLAN

RIN
G
STS-12 Trail

Ethernet spanning
tree configured ina ring.

EDGESTS-48 Trail

RINGPE router

Edge Ring B – OC-192)
2005年11月24日

13

BSNL solution highlights
The HP solution• Supports− Layer 3 VPN• Intranet Unmanaged CE• Intranet Managed CE• Extranet− Layer 2 VPN• Cisco HDLC
• PPP
• Frame Relay• Ethernet• Any-to-Any− VPLS− Value Added Services• Internet Access to L3 VPN• Firewall Services• NAT Services• IP Sec− Remote Access− MPLS• Multicast
2005年11月24日• The HP solution provides

integrated− Provisioning management− Configuration management− Audit management− Fault management− Performance management− SLA management− Security management− Usage data collection• Configured as high-availability

solution with geographicallydistributed disaster recovery

14

Managing the
network top-tobottom
Service fulfillment

Service assurance

Service usage

Problemmanagement

Billing

Customer portal
Executive dashboard
Order entry &management

Service levelmanagement

Process-enabled message bus

Serviceactivation

Inventory& design

Fault
management

Network
services

IP VPN

VPLS

cable
Network infrastructure

FTTx

Core
networks

Accessnetworks

DSL

Top-to-bottom

Process manager

IP

Business
intelligence

Performance
management

Usage
mediation

VPWS

TEMPLS
SDH/SONET transmission

ATM/FRInside the MPLS cloud—an IP VPN
exampleIPdomainIP VPN service

Access networks

MPLS
domainMPLS

SDH/SONETTransmission
domainPhotonics
2005年11月24日

16Example MPLS logical connections
PE router B
P router B

Customer A1
CE routerP router A

P router D
Customer B
CE routerPE router A

Customer A2
CE routerP router C
PE router C
Primary
Secondary

2005年11月24日

Customer C
CE router17

Sample PE to P protected connection
PE router B

PE router C
Primary Transport
Secondary Transport

P router B

2005年11月24日

P router D

P router C

STS-12STS-12STS-48STS-48

OC-192

OC-192Edge Ring B

Edge Ring C
18

Use case: fault management
surveillance and analysis
Scenario:• OC48 link fails• Link is used for PE to P routerconnection

IP VPN service

What is needed:• Identify root cause alarm• Suppress related alarms• Across technologies• Across management domains (multi-NOC)
IP domain problems:• VPN down
• Route change• Link down
• …

Routing events:• Adjacency loss
• Route flap
• Route change• …

Access networks

MPLS

SDH/SONET

Photonics
2005年11月24日

Potentially manythousands ofalarms

MPLS events:• LSP events• …

Threshold alarms:• Latency exceeded• Jitter out of bounds• …

OC48 link fails:• 242 SONET OAM alarms• …
19TeMIP root-cause correlation
with multiple NOCs
Transport layer 1 device failure:

IP NOCExpert• TeMIP receives alarm streams• TeMIP identifies root alarm as atransport failure• TeMIP recognizes relatedcascading MPLS and IP alarms• TeMIP reduce MPLS and IP

related alarms to zero

• TeMIP notifies MPLS and IPNOCs of event acknowledged attransmission layer

Acknowledge Layer 1 Eventfrom transmission, MPLS, and IPlayers
MPLS core
NOCTransmission
NOCTeMIP

Initiate
AutomaticAction

TSM•Acknowledge Root Alarm•Initiate Device Tests•Initiate Repair Process

2005年11月24日

20Conclusion

Why do I need an NGOSS when I
am building an NGN?
• Converging on a next-generation network

introduces management challenges• Not addressing the challenges introduces significant

risk of failure• With proper attention, the management challenges

can be addressed• A New Generation OSS like HP Integrated ServiceManagement provides the management systemneeded to succeed

2005年11月24日22