ITU-T G.8010 Y.1306 Amendment 1 (05 2006) (英) Arch

InternationalTelecommunicationUnionITU-TG.8010/Y.1306TELECOMMUNICATIONSTANDARDIZATIONSECTOROFITUAmendment1(05/2006)SERIESG:TRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSEthernetoverTransportaspects–GeneralaspectsSERIESY:GLOBALINFORMATIONINFRASTRUCTURE,INTERNETPROTOCOLASPECTSANDNEXT-GENERATIONNETWORKSInternetprotocolaspects–TransportArchitectureofEthernetlayernetworksAmendment1ITU-TRecommendationG.8010/Y.1306(2004)–Amendment1ITU-TG-SERIESRECOMMENDATIONSTRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSINTERNATIONALTELEPHONECONNECTIONSANDCIRCUITSG.100–G.199GENERALCHARACTERISTICSCOMMONTOALLANALOGUECARRIER-TRANSMISSIONSYSTEMSG.200–G.299INDIVIDUALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONESYSTEMSONMETALLICLINESG.300–G.399GENERALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONESYSTEMSONRADIO-RELAYORSATELLITELINKSANDINTERCONNECTIONWITHMETALLICLINESG.400–G.449COORDINATIONOFRADIOTELEPHONYANDLINETELEPHONYG.450–G.499TRANSMISSIONMEDIACHARACTERISTICSG.600–G.699DIGITALTERMINALEQUIPMENTSG.700–G.799DIGITALNETWORKSG.800–G.899DIGITALSECTIONSANDDIGITALLINESYSTEMG.900–G.999QUALITYOFSERVICEANDPERFORMANCE–GENERICANDUSER-RELATEDASPECTSG.1000–G.1999TRANSMISSIONMEDIACHARACTERISTICSG.6000–G.6999DATAOVERTRANSPORT–GENERICASPECTSG.7000–G.7999ETHERNETOVERTRANSPORTASPECTSG.8000–G.8999GeneralaspectsG.8000–G.8099MPLSoverTransportaspectsG.8100–G.8199QualityandavailabilitytargetsG.8200–G.8299ACCESSNETWORKSG.9000–G.9999Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRec.G.8010/Y.1306(2004)/Amd.1(05/2006)iITU-TRecommendationG.8010/Y.1306ArchitectureofEthernetlayernetworksAmendment1SummaryThisamendmentcontainsadditionalmaterialtobeincorporatedintoITU-TRecommendationG.8010/Y.1306.ItpresentsthearchitecturalaspectsofEthernetOAM.SourceAmendment1toITU-TRecommendationG.8010/Y.1306(2004)wasapprovedon22May2006byITU-TStudyGroup15(2005-2008)undertheITU-TRecommendationA.8procedure.iiITU-TRec.G.8010/Y.1306(2004)/Amd.1(05/2006)FOREWORDTheInternationalTelecommunicationUnion(ITU)istheUnitedNationsspecializedagencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(ITU-T)isapermanentorganofITU.ITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationAssembly(WTSA),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-Tstudygroupswhich,inturn,produceRecommendationsonthesetopics.TheapprovalofITU-TRecommendationsiscoveredbytheprocedurelaiddowninWTSAResolution1.InsomeareasofinformationtechnologywhichfallwithinITU-T'spurview,thenecessarystandardsarepreparedonacollaborativebasiswithISOandIEC.NOTEInthisRecommendation,theexpressionAdministrationisusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.CompliancewiththisRecommendationisvoluntary.However,theRecommendationmaycontaincertainmandatoryprovisions(toensuree.g.interoperabilityorapplicability)andcompliancewiththeRecommendationisachievedwhenallofthesemandatoryprovisionsaremet.Thewordsshallorsomeotherobligatorylanguagesuchasmustandthenegativeequivalentsareusedtoexpressrequirements.TheuseofsuchwordsdoesnotsuggestthatcompliancewiththeRecommendationisrequiredofanyparty.INTELLECTUALPROPERTYRIGHTSITUdrawsattentiontothepossibilitythatthepracticeorimplementationofthisRecommendationmayinvolvetheuseofaclaimedIntellectualPropertyRight.ITUtakesnopositionconcerningtheevidence,validityorapplicabilityofclaimedIntellectualPropertyRights,whetherassertedbyITUmembersorothersoutsideoftheRecommendationdevelopmentprocess.AsofthedateofapprovalofthisRecommendation,ITUhadnotreceivednoticeofintellectualproperty,protectedbypatents,whichmayberequiredtoimplementthisRecommendation.However,implementorsarecautionedthatthismaynotrepresentthelatestinformationandarethereforestronglyurgedtoconsulttheTSBpatentdatabase.©ITU2007Allrightsreserved.Nopartofthispublicationmaybereproduced,byanymeanswhatsoever,withoutthepriorwrittenpermissionofITU.ITU-TRec.G.8010/Y.1306(2004)/Amd.1(05/2006)iiiCONTENTSPage1Scope............................................................................................................................12References.....................................................................................................................13Conventions..................................................................................................................14ChangestoITU-TRec.G.8010/Y.1306.......................................................................14.1Clause1,Scope..............................................................................................14.2Clause2,References......................................................................................14.3Clause3,Definitions......................................................................................24.4Clause4,Abbreviations..................................................................................24.5Clause5,