Access Packet Transport Network - Cisco Knowledge Network
Access Packet Transport Network - Cisco Knowledge Network
Access Packet Transport Network - Cisco Knowledge Network
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<strong>Cisco</strong> <strong>Knowledge</strong> <strong>Network</strong>:<strong>Access</strong> <strong>Packet</strong> <strong>Transport</strong><strong>Network</strong>© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 1
• Welcome – Moderator(s):Dale Clark - Strategic Account Manager• Date: October 9, 2012• Today’s Show: <strong>Access</strong> <strong>Packet</strong> <strong>Transport</strong>Speaker:Ramesh Pillutla – Technical Marketing Engineer• Q&A• Survey© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved.<strong>Cisco</strong> Confidential 2
Ramesh Pillutla – Technical Marketing EngineerSP <strong>Access</strong>CPT Hardware Overview© 2010 <strong>Cisco</strong> Systems, Inc. All rights reserved. <strong>Cisco</strong> Confidential3
<strong>Packet</strong> is Growing…Need <strong>Transport</strong>Reliability & SLAVoDEPLBusinessEthernetIPTVNeedServicesMobileBackhaulEVPLL3 VPNHSIE-LANOTNIP/MPLSMPLS-TPSONET/SDHWhichTechnology ?PBB-TEPBBWDMASONT-MPLSCapExOpExARPUFinancialsRevenue Expenses© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 4
• Typical TCO Model – Approx 70% Opex, 30% Capex• Opex IncludesCurrent Operational Model (<strong>Transport</strong> vs Routing)Service Realization - Time to Market, Fast Turn-upApplication/Technology AgilityOAM&P – Provisioning, Fault Isolation & Troubleshooting ToolsTrainingLabor RelationsDeal with Legacy technology• CapexInfrastructure(Hardware & Fiber)Management• Technology AgilitySingle Platform, Multiple technologies• DWDM, MPLS(TP), SAN & TDM• Built-in Troubleshooting• “Easy Button” Provisioning• Keep <strong>Transport</strong> Opex Model• Graceful Transition from SONET/SDH© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 5
<strong>Packet</strong>Eth, IP/MPLSWDMTDMLegacy<strong>Packet</strong> Optical<strong>Transport</strong> System(P-OTS)<strong>Packet</strong>-Centric<strong>Transport</strong>P-OTS KeysMPLS-TP• Predictable, Deterministic• Resiliency – 50-msec• Bandwidth Efficiency• Service Scalability• Granular Service Differentiation• <strong>Network</strong> Management• Higher BW (Tbps), Lower Cost/bitOTNIP/MPLSP-OTS - WhichCombination ?SONET/SDHPBB-TEG.8032/31© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 6WDM
• ServicesEthernet – L2VPN, VPWS, VPLSSAN – FC, ESCON, InfinibandDWDM – Wavelength ServicesTDM – Legacy SONET/SDHSingle Platform, Management• MappingEthernet over MPLS-TP usingTunnels & PWE3, 50-msecRedundancy, Logical Mesh ofMPLS-TP Tunnels• SONET/SDH & SAN overDWDM• DWDMAny-to-Any WavelengthConnectivityPhysical Ring, Linear,2/4-degree Mesh using ROADMs100 Gig© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 7
SONET/SDHDeterministicResiliency – 50msecRich OAMEasy <strong>Network</strong>MgmtIP/MPLSScalabilityGranularityBandwidth EfficiencyFlexibilityMPLS ForwardingMPLS <strong>Transport</strong>ExtensionsMPLS-TP OAMInband G-ACh (DCC)MPLS-TP Fault PropIP/MPLS InterworkFixed SPE10 Gig CapNo scalabilityIP Routing DependenceNon-DeterministicAspects of IP/MPLSMPLS-TP – Best of Both Worlds (<strong>Transport</strong> & IP)© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 8
MPLS-TP is Standardized by IETFFeaturesRFCsMPLS Generic Associated Channel 5586MPLS-TP Requirements 5654MPLS -TP OAM Requirements 5860MPSL-TP Architecture Framework 5921MPLS-TP <strong>Network</strong> Management Framework 5950MPLS-TP <strong>Network</strong> Management Requirements 5951MPLS <strong>Transport</strong> Profile Data Plane Architecture 5960MPLS-TP OAM Architecture Framework 6371MPLS-TP Survivability Framework 6372Proactive CV, CC and RDI for MPLS-TP 6428MPLS On-demand CV and Route Tracing 6428MPLS Fault Management OAM 6427MPLS-TP Identifiers 6370MPLS-TP Linear Protection 6378LSP-Ping and BFD extensions 6426© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 9
Characteristics MPLS-TP G.8032 CommentsControl Plane (Path Computaion,signaling for Path Setup)Static NMSGMPLSStatic NMSTopology DiscoveryMPLS-TP Control plane derivedfrom mature IP/MPLS.Extension of IP/MPLS CoreYes MPLS-TP is a subset ofIP/MPLSNOMPLS-TP has full Compatibilitywith existing IP/MPLS routersIP/MPLS CompatibilityYes – IETF OAM is a naturalextensionNO – G.8032 islandsMPLS-TP Stitched PW’s willenable continuity<strong>Access</strong> FlexibilityOAMProtocol MaturityEthernet, ATM, Frame Relay,TDMMPLS-TP OAM (Label 13) Inband,real-time, service level OAMMPLS-TP is IP/MPLS minus L3functionsEthernet ONLYdepends on E-OAMStandardized 2007Problem Scope MPLS, mature, field-proven Tried to solve the problem ofusing STP in SP <strong>Transport</strong>Complex topologies require corerings with subrings and 1 singlelarge OAM domain20-year MPLS HistoryHas the problem G.8032 solvesever existed in SP networks ?Topology Mesh, Ring, Linear RING Only, Complex topologies built with subringsOAM Domain ScopeTopology Change (NEAddition/Deletion)MPLS-TP Tunnel & AssociatedPW’sUpdate LSR with existingsrc/destination<strong>Network</strong>-Wide, All rings, sub-ringson the same MaintenanceDomainTopology Change causes reconvergenceand propagationNE’s with intersecting Rings,failure in one ring causes traffic hitin other rings due to MAC Flush.2 x MAC Flush Per ProtectionSwitch© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 10
PEPE• Generic <strong>Network</strong>4 Core Sites – NE 1,2,3,42 <strong>Access</strong> sites – NE 6, 3• 50 msec protection• OAM• Mix of Ethernet Traffic Aggregating toPE Routers at NE 1,2, some trafficbetween NE’s• Mix of P2P and P2MP services• Video highly desired• Application Awareness• Scalability to 50 <strong>Access</strong> Sites10/100 MbpsGigENE610/100 MbpsGigENE1NE5MPLS-TPCoreNE2NE410/100 MbpsGigENE310/100 MbpsGigE• 3 distinct Rings• L2 in a Ring, need blocking segment• NE’s 1,5 and 2,4 show Two G.8032Segments• E-OAM Sessions for every link with CCcheck• Span between NE1 & NE5 fails, NE1 & 5will Flush MAC Tables• Ring Unblocks and traffic flows the otherdirection, ring topology reconverges• MAC Flush at NE 1,5 also flushes MACentries learned from Core G.8032 segment• Failure Clears, Ring reconverges• SECOND MAC FLUSH at NE1 & 5G.8032 ViewNE6<strong>Access</strong>G.8032Segment 1NE1NE5MACFlushFailureXMACFlushNE1NE5G.8032CoreSegment3NE2NE4NE2NE4<strong>Access</strong>G.8032Segment 2NE3© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 11
PEPE• Generic <strong>Network</strong>4 Core Sites – NE 1,2,3,42 <strong>Access</strong> sites – NE 6, 3• 50 msec protection• OAM• Mix of Ethernet Traffic Aggregating toPE Routers at NE 1,2, some trafficbetween NE’s• Mix of P2P and P2MP services• Video highly desired• Application Awareness• Scalability to 50 <strong>Access</strong> Sites10/100 MbpsGigENE610/100 MbpsGigENE1NE5NE2NE410/100 MbpsGigENE310/100 MbpsGigE• MPLS-TP Sees the <strong>Network</strong> as a set of distinctprotected Tunnels with A-Z OAM per tunnelbetween NEs• NO Topology Restrictions• No Protocol Limitations on number of NE’s forMPLS-TP• NO MAC Learning Dependency therefore NO MACFlushing• MPLS-TP BFD Sessions @ 3.3msec intervals• MPLS-TP VPWS & P2MP Services• Span between NE1 & NE5 fails, BFD Checks willfail and switches to protection• Complicated ? A-Z MPLS-TP implementationrequires ZERO OAM Setup10/100 MbpsGigEMPLS-TPTunnelNE6PEMPLS-TP<strong>Access</strong>NE1NE5MPLS-TPCoreNE2NE4PEMPLS-TP<strong>Access</strong>NE310/100 MbpsGigE10/100 MbpsGigE10/100 MbpsGigE© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 12
Working LSPNMS for <strong>Network</strong> Managementor Control PlaneClient nodePEPEClient nodeMPLS-TP LSP (Static or Dynamic)PseudowireSectionSectionClient SignalProtect LSPwith e2e andsegment OAMConnection Oriented, pre-determined working path and protect path<strong>Transport</strong> Tunnel 1:1 protection, switching triggered by in-band OAM,Option with NMS for static provisioning© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 13
LSPSourceLSP BFD Session – BFDHello’s every 3.3. msecLSPDestinationBFDTriggersSwitch toProtect LSPBFD Peer Fault Notification3 BFD Hello’sUnacknowledgedRemote FaultNotificationSwitchToProtect LSPTPELSP MidpointXUnidirectionalFailureTPE1. Unidirectional Fault detected at LSP Midpoint2. Unacknowledged BFD Hellos Fails at Source TPE3. Local Switch to Protect LSP4. Remote Fault Notification initiated to BFD Peer5. Remote Fault Indication at Destination TPE, Local Switch toProtect LSP© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 14
UNI4:1 RedundancyProtected MPLS-TP LSP 1Protected MPLS-TP LSP 2UNIStandby PWN:1 RedundancyMPLS-TP LSP’s can be created as aboveMPLS-TP LSP’s N:1 protectionPseudowire redundancyMPLS-TP Tunnel CostBased on Customer MetricsUNIStandby PWProtected MPLS-TP LSP 1 (Cost = 2)Protected MPLS-TP LSP 2 (Cost = 3)UNITertiaryPathProtected MPLS-TP LSP 3 (Cost = 4)PWReroute© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 15
MPLS-TP leverages flexibility of scale of MPLS and adapts it totransport space:• <strong>Transport</strong> operational model• Addresses growth in packet traffic and services• Service flexibility - P2P private lines, Video transport, Multipoint,best effort traffic as wells as legacy services• SONET/SDH like SLA and OAM with granular BW provisioning• High network utilization of transport network• Capex/Opex Savings as Bandwidth increases• Improved utilization of PE routers© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 16
Unmatched TrustResilient, Preserves <strong>Transport</strong> Ops,Best-in-class A to Z ManagementCPT200<strong>Transport</strong>CPT 50CPT 600Metro(<strong>Access</strong>/Agg)<strong>Packet</strong>TechnologyExceptional Savings60% reduction in Space / Power,Industry’s greenest POTS platformUniquely AgileEstablished + New Services,Industry-first MPLS-TPLatency Awareness<strong>Transport</strong>Foundation for Next-Generation Technology <strong>Transport</strong>© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 17
RemoteCPT 50Co-LocatedMobileBackhaul80KMCPT 600EthernetServices1RU RingsCPT 50CPT 200FTTX &TDMFeature Rich, Carrier Class and Manageabilityo Advanced Standard Based MPLS(TP)o Innovative Distributed Satellite Architectureo Fully CE and IP/MPLS support (Unified-MPLS)o Common <strong>Packet</strong> + Optical <strong>Network</strong> ManagementIP/MPLSMPLS-TPEthernetOTNDWDM© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 18
Industry Leading P-OTSCPT 600Layer 0 Layer 1 Layer 2+Layer 1 Flexibility:Layer 0 Flexibility:Integrated L0, L1, L2 Architecture • Integrated Key Multi-Service Benefits:Layer 2+ Flexibility:Passive WDM• Over 60% Reduction in Rack Transponding Space (16Mbps –• Full Carrier EthernetInventory10Gbps)Service Flexibility• Over 65% Reduction in Power ConsumptionIntegrated DWDM • Integrated Multi-Service• Industry Frist MPLS-TPAmplification • Unified Craft (EDFA) Interface forMuxpondingL0, L1, & L2(100MbpsManagement,–Provisioning & Troubleshooting• Full IP/MPLS L2VPN• Integrated Infinite Service ROADM <strong>Transport</strong> 4Gbps) Flexibility. Any service ranging from 16Mbps Support up to 10Gbps.Future 40/100Gbps.• Integrated Multi-Service ADM(155Mbps – 2.5Gbps)© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 19
CPT Satellite ArchitectureRemoteCPT 50Single Logical <strong>Network</strong> ElementCo-Located80KMCPT 600Hub & Spoke1RU RingsWith E1/T1, E3/T3STM-1/OC3CPT 50Satellite Architecture Key Benefits:• Managed as a Single <strong>Network</strong> Element (≥35% lower TCO)• Automatic Satellite Discovery (like inserting a linecard)• Flexible Topologies (Hub & Spoke or Rings• Scalable Port Density / ≤880GE• Supports flexible oversubscription models 4:1 / 3:1 / 2:1 / 1:1• Single CTC & Prime Management Interface• Fully Redundant Centralized Database Backup ( 3 copies)© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 20
SavingsTrustAgilitywww.cisco.com/go/cptBegin the Transformation with CPT© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 21
Q&AThank you.© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved. <strong>Cisco</strong> Confidential 22
• Topic: TBD, (WSON)?• Date: Tuesday, November 13, 2012 @ 10 am–11 am CST (11amEST)• Speaker: TBD• Where: WebEx Event (Webinar)• www.ciscoknowledgenetwork.com (Select “<strong>Transport</strong> Solutions”)• www.ciscoknowledgenetwork.com/optical© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved.<strong>Cisco</strong> Confidential 23
• Survey• Contact us: cisco-optical-sales@cisco.com• Webinar playbacks and updates can be foundat:www.ciscoknowledgenetwork.com/optical• Please also click on www.cisco.com/go/opticalfor more information.© 2011 <strong>Cisco</strong> and/or its affiliates. All rights reserved.<strong>Cisco</strong> Confidential 24
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