BRKMPL-3101 Advanced Topics and Future Directions

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1、AdvancedTopicsandFutureDirectionsinMPLSBRKMPL-3101AgendaIETFUpdateLDPEnhancementsLayer3VPNsLayer2VPNs&PseudowiresTransportProfileTrafficEngineeringBRKMPL-3101-santiago@cisco.com©2010Ciscoand/oritsaffiliates.Allrightsreserved.Ciscohttp://www.cisco.com/go/

2、mplsPublic2IETFUpdatePresentation_ID©2010Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic3InternetEngineeringTaskForceOriginatedMPLSstandardizationBaseMPLStechnologyspecificationscompletedSixactiveworkinggroupsMPLSLayer3VirtualPrivateNetworks(L3VPN)Ps

3、eudowireEdge-to-Edge(PWE3)Layer2VirtualPrivateNetworks(L2VPN)CommonControlandMeasurementPlane(CCAMP)PathComputationElement(PCE)Alsosomerelevant(RSVP)workinTransportWG(TSVWG)BRKMPL-3101-santiago@cisco.com©2010Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPub

4、lic4MPLSWorkingGroupDefinedMPLSarchitectureandbaseprotocols(LDP,RSVP-TE)Around70RFCspublishedtodateMaturesetofIP/MPLSspecificationsMPLSTEsoftpreemptionclosetoRFCpublicationNewproposedextensions(over10newdrafts)tosupporttransportmigrationtopacketswitching

5、FirstMPLStransportprofileRFCpublished(MPLSGenericAssociatedChannel,RFC5586)Currentmajorworkareas:MPLStransportprofile(MPLS-TP)BRKMPL-3101-santiago@cisco.com©2010Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic5PseudowireEmulationEdge-to-Edge(PWE3)Workin

6、gGroupDefinedemulationofalinkoverapacketswitchednetworkMatureencapsulation(ATM,Ethernet,FR,PPP/HDLC,SDH/PDH)andpseudowiresignaling(LDP)specificationsMulti-segmentpseudowirearchitecturerecentlypublishedasRFC5659BFDoverVCCVclosetoRFCpublicationCurrentworkit

7、ems:L2VPNPERedundancy(Inter-ChassisCommunicationProtocol)P2MPpseudowiresFlow-awaretransportofpseudowiresBRKMPL-3101-santiago@cisco.com©2010Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic6L2VPNWGDefinedtwosolutions:VirtualPrivateLANService(VPLS):L2servi

8、cethatemulatesaLAN,allowingstandardEthernetdevicestocommunicateasifconnectedtoacommonLANsegmentVirtualPrivateWireService(VPWS):L2servicethatprovidesL2point-to-pointconnectivityacro