MPLS Network

Design & Monitoring

Copyright ©2000, WANDL, Inc.

Slide 1

What Is MPLS Traffic Engineering?
Traffic Control

Topology & Capacity- Traffic Growth- Traffic
Distribution
Changes- Unexpected
Incidences- Fiber Cut- Delay

Efficient
Use
Networkof
OptimizationNetwork
Resources

Copyright ©2000, WANDL, Inc.

NetworkPlanning

Slide 2

IP/MPLS Network Design and Traffic
Engineering
Multi-layer routing andnetwork planning Design and simulate
IP/MPLS networks
 MPLS network discovery
 Multi-vendors Config files,
topology data collection,
parsing and integrity
checking
 Planning for traffic growth Play “what-if” scenarios toensure reliability of yournetwork under stressCopyright ©2000, WANDL, Inc.

Model-Based
Reasoning
EngineTopology Views

Integrity
Checks andOther Reports
Path/Security
Analysis

NNetwork Model

Guided Repair

Periodic Upload ofTopology and Traffic
Statistics

Slide 3

Performance
Analysis

Modified/Repaired
Design Scenario

IP/MPLS Network Design and Traffic
Engineering LSP tunnel config data and trafficcollection
 Delta configuration generation for
MPLS TE provisioning Integrated set of monitoring,modeling, and design capabilities❖

Multi-layer simulation with equipment
details❖Multi-period traffic load analysis❖LSP tunnel path placements andprovisioning❖Offline LSP Calculation❖What-if (fiber cut, for example)
simulation❖Primary/backup LSP path computation

Copyright ©2000, WANDL, Inc.

Slide 4

The Traffic Engineering System
StatisticsCollection
Traffic Analysis
Traffic Engineering
CLITE Tunnel

MPLS Network

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Design and Modeling
Configuration

Traffic Engineering Tools

Slide 5

Multi-Layer
Modeling

Cisco & Juniper

MPLSView : One Integrated View

Copyright ©2000, WANDL, Inc.

Slide 6

WANDL MPLS Modeling• Nodes• Cisco, Juniper, Foundry, Riverstone• Links• T3/E3, OC3, OC12, OC48, OC192• 32 Bits Resource or Media Attribute• Routing Metrics• LSP Tunnels• Source, Destination• Bandwidth, Affinity, Mask, Admin Group• Priority/Holding Priority• Guaranteed or Diff Serv TE, Best Effort• Routing Method

Cisco&Juniper• Dynamic Route• Explicit Route (Loose or Strict)• Secondary Routes• Layer 3 Traffic Routing• OSPF, EIGRP, IS-IS, BGP4
• Forwarding Equivalence Class• Influence of LSP Tunnels

Copyright ©2000, WANDL, Inc.

Slide 7

WANDL Data Communication
Cisco & Juniper• Automatic Discovery (mpls, ospf, bgp)

• IOS and JUNOS Parsing• show config• show mpls traff eng tunnels• show ted database extensive• show mpls lsp detail• Connectivity Checking• Pinpoint network integrity issues• Configuration Change Management• LSP Traffic Monitoring• Topology Views• OSPF, BGP, MPLS
Copyright ©2000, WANDL, Inc.

Slide 8

MPLS Topology Parsing

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Slide 9

Cisco Router Config & TunnelParsing

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Slide 10

Juniper Router Config & Tunnel
Parsing

Copyright ©2000, WANDL, Inc.

Slide 11

WANDL Data Communications
Gateway
Applicationtelnet - Config/Topo/tunnel
SNMP – tunnel and interface statistics

WANDL
Data Gateway

Traffic data

API – XML/JMS

Config data

DoradoNarus

InfoVista

Copyright ©2000, WANDL, Inc.

AprismaSlide 12

Orchestream

LSP Routing Engine
Cisco & Juniper• LSP Routing Engine that considers:• All link resource constraints• All ingress to egress traffic trunks• Benefits• similar to mechanisms in overlay nets
• Global resource optimization• Predictable LSP Placement• Stability• Decision Support System• Off-Line & Quasi On-Line Path Calculation• Capacity Planning• Network Grooming• Bottlenecks Analysis
Copyright ©2000, WANDL, Inc.

Slide 13

Network Design & Optimization
Cisco & Juniper• Topology Design• Diversity Design• Traffic Load Analysis• Event Simulation• Failure Analysis• Play # Scenario Analysis• Layer 3 Traffic Performance Analysis & QoS

Copyright ©2000, WANDL, Inc.

Slide 14

Tunnel Load

Copyright ©2000, WANDL, Inc.

Slide 15

Primary & Backup LSP Path

Copyright ©2000, WANDL, Inc.

Slide 16

MPLS Traffic Management
NetworkNetwork CentricNetworkNetwork Monitoring andquantifying¾ Characterize traffic and monitor resourceutilization
 Quantifying traffic across the network or its
elements in terms of bytes and packets (in and out) Network path, link, LSP¾ Monitor operational status and availability¾ Discover network topology¾ Present physical and logical network topology¾ Monitor network connectivity¾ Pinpoint network integrity problem¾ Provision MPLS tunnels

Copyright ©2000, WANDL, Inc.

Slide 17

Network Status Display
SemiSemi Real Time Network View
¾ View of table/tree structure of networks, areas,hubs/Pops, devices, LSPs and the related
attributes
 Primary attributes: AS number, Area/Level/Region
IDs, location, vendors, devices limitation,
circuit bandwidth, RSVP Bandwidth,LSP utilization,and LSP path

¾ Ability to sync with real time network to update
the view¾ Tunnel Path Analysis

Copyright ©2000, WANDL, Inc.

Slide 18

Network Status Display
 Network Status Changes¾ Display/report the updates of network components and theirrelated attributes (new, deleted, and missed trunks, trunk capacitychanges), (new LSP, deleted LSP, updated LSP in bandwidth,route changes, priority, info)

 Network Play Back (historical events)¾ Replay network status/topology changes¾ Replay the LSPs re-route activities

Copyright ©2000, WANDL, Inc.

Slide 19

Monitoring A Live Network
User

Main
WindowLogon
MPLSView

Task
ManagerClick on
TaskManager
From menu

DataCollection

NetworkModeTopology

ReportNetwork Info

Administer
Router Profile
SelectRouter config
auto-discovery
collectedSchedule collection
Check task status
PeriodicallyCollectNetwork
Config/topo/Tunnel files& traffic data

Router configTunnel, topo& traffic datacollected

Click on OpenLive Network

Copyright ©2000, WANDL, Inc.

Network
updateParsing Building
Network Model

User inMonitor Mode Topology
AutonomouslyQuery network
updatedInformation &Reports

Slide 20

LSP Traffic Monitoring

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Slide 21

Network Nodes Information

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Slide 22

View Tunnels Thru Node

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Slide 23

Display LSP Path Table and on
Map

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Slide 24

Primary & Backup Path

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Slide 25

Tunnel Traffic Load

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Slide 26

Aggregated Network Tunnel
Traffic

Copyright ©2000, WANDL, Inc.

Slide 27

Predefined Tasks GUI –Schedule Data Collection

Copyright ©2000, WANDL, Inc.

Slide 28

BGP View

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Slide 29

BGP View

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Slide 30

IP Logical View

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Slide 31

Transport Layer View

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Slide 32

Multiple Links Between Nodes

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Slide 33