mpls network design & monitoring · title: microsoft powerpoint - mplsview-wc.ppt author:...
TRANSCRIPT
Slide 2Copyright ©2000, WANDL, Inc.
What Is MPLS Traffic Engineering?
NetworkPlanning
NetworkOptimization
Topology & Capacity- Traffic Growth- Traffic DistributionChanges
Traffic Control
- UnexpectedIncidences
- Fiber Cut- Delay Efficient
Useof
NetworkResources
Slide 3Copyright ©2000, WANDL, Inc.
Multi-layer routing and network planningDesign and simulate IP/MPLS networksMPLS network discoveryMulti-vendors Config files, topology data collection, parsing and integrity checkingPlanning for traffic growthPlay “what-if” scenarios to ensure reliability of your network under stress
Modified/RepairedDesign Scenario
Periodic Upload ofTopology and Traffic
Statistics
Network ModelNetwork Model
IntegrityChecks and
Other Reports
IntegrityChecks and
Other Reports
Path/SecurityAnalysis
Path/SecurityAnalysis
PerformanceAnalysis
PerformanceAnalysis
Model-Based Reasoning
Engine
Model-Based Reasoning
Engine
Guided RepairGuided Repair
N
Topology ViewsTopology Views
IP/MPLS Network Design and Traffic Engineering
Slide 4Copyright ©2000, WANDL, Inc.
IP/MPLS Network Design and Traffic Engineering
LSP tunnel config data and traffic collection Delta configuration generation for MPLS TE provisioningIntegrated set of monitoring, modeling, and design capabilities
❖ Multi-layer simulation with equipment details
❖ Multi-period traffic load analysis
❖ LSP tunnel path placements and provisioning
❖ Offline LSP Calculation
❖ What-if (fiber cut, for example) simulation
❖ Primary/backup LSP path computation
Slide 5Copyright ©2000, WANDL, Inc.
The Traffic Engineering System
TE TunnelCLI
Configuration
Collection
Traffic Analysis
Traffic Engineering
Design and Modeling
StatisticsStatisticsStatistics
Traffic Engineering ToolsMPLS Network
Slide 6Copyright ©2000, WANDL, Inc.
MPLSView : One Integrated ViewMulti
Multi --Layer
Layer
Modeling
Modeling
Cisco&Juniper
Slide 7Copyright ©2000, WANDL, Inc.
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
• 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
Cisco&
Juniper
Slide 8Copyright ©2000, WANDL, Inc.
WANDL Data Communication
• 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
Cisco & Juniper
Slide 12Copyright ©2000, WANDL, Inc.
Application
WANDLData Gateway
Dorado Narus InfoVista Aprisma Orchestream
Traffic data
Config data
WANDL Data Communications Gateway
telnet - Config/Topo/tunnel
SNMP – tunnel and interface statistics
API – XML/JMS
Slide 13Copyright ©2000, WANDL, Inc.
LSP Routing Engine
• 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
Cisco & Juniper
Slide 14Copyright ©2000, WANDL, Inc.
Network Design & Optimization
• Topology Design
• Diversity Design
• Traffic Load Analysis
• Event Simulation
• Failure Analysis
• Play # Scenario Analysis
• Layer 3 Traffic Performance Analysis & QoS
Cisco & Juniper
Slide 17Copyright ©2000, WANDL, Inc.
MPLS Traffic Management
Network CentricNetwork CentricNetwork CentricNetwork CentricNetwork Monitoring and Network Monitoring and Network Monitoring and Network Monitoring and quantifyingquantifyingquantifyingquantifying
Characterize traffic and monitor resource utilization
Quantifying traffic across the network or its elements in terms of bytes and packets (in and out)Network path, link, LSP
Monitor operational status and availabilityDiscover network topology Present physical and logical network topologyMonitor network connectivityPinpoint network integrity problemProvision MPLS tunnels
Slide 18Copyright ©2000, WANDL, Inc.
Network Status Display
Semi Real Time Network ViewSemi Real Time Network ViewSemi Real Time Network ViewSemi Real Time Network ViewView 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
Ability to sync with real time network to update the viewTunnel Path Analysis
Slide 19Copyright ©2000, WANDL, Inc.
Network Status Display
Network Status ChangesDisplay/report the updates of network components and their related attributes (new, deleted, and missed trunks, trunk capacity changes), (new LSP, deleted LSP, updated LSP in bandwidth, route changes, priority, info)
Network Play Back (historical events)Replay network status/topology changesReplay the LSPs re-route activities
Slide 20Copyright ©2000, WANDL, Inc.
PeriodicallyCollectNetwork Config/topo/Tunnel files& traffic data
User Main Task Data Network Mode Topology ReportWindow Manager Collection Network Info
Click on OpenLive Network
Administer Router ProfileSelect auto-discoverySchedule collectionCheck task status
Query networkInformation &Reports
User in Monitor Mode
Router configcollected
TopologyAutonomouslyupdated
LogonMPLSView Click on
TaskManagerFrom menu
Router configTunnel, topo
& traffic datacollected
Networkupdate
Parsing BuildingNetwork Model
Monitoring A Live Network