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VPLSPEModelwithE-TreeSupportYuanlongJiang(yljiang@)LucyYong(lucyyong@)ManuelPaul(manuel.paul@telekom.de)FredericJounay(frederic.jounay@)draft-jiang-l2vpn-vpls-etree-pe-02.txt79thIETF-BeijingBackgroundsE-TreeRequirementsinmultipleSDOsServiceDefinition:MEF6.1,

MEF10.2Mobilebackhaul:MEF22BroadbandNetworkArchitecture:BBFWT-145MPLSinCarrierEthernet:BBFWT-224LackofE-TreesupportinVPLSstandardNon-standardmechanismforsingleroottopologySingleVSI+extendedsplithorizonmechanismNoVPLSsupportformulti-rootstopologyMultiplenodeswithroot&leafattachedinasingledomainMultiplerootsandleaveslocateddiverselyacrossmultipledomains//79thIETF-BeijingHighlightsofthedraftUsingVLANstosolveE-TreeinVPLS–thesameflavorofE-TreesolutionasEthernetCoverallVPLSPEmodelsandtheirinterworkingscenariosBenefitsAconvergedsolutioncompatiblewithbothEthernetandVSIforwardingplanesandapplicabletodiversenetworkscenariosNochangetoVPLSarchitectureandPWlayersemantics,standardworkcanbeminimizedScalabilitywithonlyasingleVSIandasinglesuiteofPWsneeded79thIETF-BeijingPossibleVPLSPEModelsforE-TreeRLBridgeModuleVSIFwderACNSPVSIFwderPEPEwithBridgeModuleRFC4664&draft-ietf-l2vpn-vpls-bridge-interopdraft-ietf-l2vpn-pbb-vpls-pe-modelPEwithoutBridgeModuleRFC3985&draft-key-l2vpn-vpls-etree-reqtPERLACNSP:NativeServiceProcessing;optionalPWPWCECE79thIETF-BeijingE-TreeSolutioninEthernetIEEEusesapairofSVLANs-TrunkSVLANandBranchSVLANtosupportgenericE-Tree,whichisincorporatedinthelatestIEEE802.1QstandardUNIRootLeafRootLeafTrunkBranchMENAUNIUNIUNIRLRL79thIETF-BeijingVLANBasedE-TreeSolutioninVPLSRLBridgeModuleVSIFwderRootPWCE1ACPWLeafBridge

PE1PE2RootLeafLRBridge2VLANsintoaVSIPE3CE2CE3CE4CE5TaggedPWwith2VLANsNSPVSIFwderVSIFwderVPLSMENL79thIETF-BeijingVLANMappingOptionsRLBridgeModuleVSIFwderRootPWCE1ACPWLeafBridge

PE1PE2RootLeafLRCE2CE3CE4VSIFwderVLANmappingoptionsVLANmappingoptionsVPLSMENPE3CE5NSPVSIFwderL79thIETF-BeijingE-TreeProcessingPWworksinTagged

modePE

maybeprovidedwithVLANmappingcapabilityRemoteRootVLAN<==>LocalRootVLANRemoteLeafVLAN<==>LocalLeafVLANAttheingressPE,EthernetframeswithRootorLeafVLANencapsulatedinthesamePWandtransparentlylabelswitchedAttheegressPE,EthernetframestranslatedintoLocalRootorLeafVLANLeafVLANtrafficfilteredeitheratLeafUNIonegressPE,oroningressPEwhenitsegressPEisapureleafPE79thIETF-BeijingExtensionofLDPProtocolAnewE-Treesub-TLVisdefinedforPWinterfaceparametersTLVPEsnegotiatethesupportofE-TreewhenaPWissetupRootVLANIDandLeafVLANIDcarriedinthesub-TLVSeveralbitstohelpthenegotiationprocedure79thIETF-BeijingNextStepTheauthorswouldliketorequestmoreWGfeedbacksonmailinglistTobeacceptedasWGdraft?79thIETF-Beijing

BackupSlides79thIETF-BeijingE-TreeSolutionsinIEEE(multi-domain)TrunkSVLANandBranchSVLANarealsousedtoprovideE-TreeserviceacrossmultipledomainswhererootsandleaveslocateddiverselyRootUNIRootUNILeafUNILeafUNILeafUNILeafUNINNIMENAMENCMENBNNITrunkBranch79thIETF-BeijingAsymmetricVLANMappinginIEEEIngressandegressframesatRootandLeafUNIaretaggedwithasingleC-VLANInthenetworkbetweenRootsandLeaves,framesaretaggedwithTrunkorBranchS-VLANIngressTranslationEgressTranslationAtRootAtLeafC-VLAN==>

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