ITU-T I.555 (09 1997)(英) Frame Relaying Bearer Service interworking

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TI.555TELECOMMUNICATION(09/97)STANDARDIZATIONSECTOROFITUSERIESI:INTEGRATEDSERVICESDIGITALNETWORKInternetworkinterfacesFrameRelayingBearerServiceinterworkingITU-TRecommendationI.555(PreviouslyCCITTRecommendation)ITU-TI-SERIESRECOMMENDATIONSINTEGRATEDSERVICESDIGI

2、TALNETWORKGENERALSTRUCTUREI.100–I.199TerminologyI.110–I.119DescriptionofISDNsI.120–I.129GeneralmodellingmethodsI.130–I.139TelecommunicationnetworkandserviceattributesI.140–I.149GeneraldescriptionofasynchronoustransfermodeI.150–I.199SERVICECAPABILITIESI.200–I.299ScopeI.200–I.209Generalaspectsofservic

3、esinISDNI.210–I.219CommonaspectsofservicesintheISDNI.220–I.229BearerservicessupportedbyanISDNI.230–I.239TeleservicessupportedbyanISDNI.240–I.249SupplementaryservicesinISDNI.250–I.299OVERALLNETWORKASPECTSANDFUNCTIONSI.300–I.399NetworkfunctionalprinciplesI.310–I.319ReferencemodelsI.320–I.329Numbering,

4、addressingandroutingI.330–I.339ConnectiontypesI.340–I.349PerformanceobjectivesI.350–I.359ProtocollayerrequirementsI.360–I.369GeneralnetworkrequirementsandfunctionsI.370–I.399ISDNUSER-NETWORKINTERFACESI.400–I.499ApplicationofI-seriesRecommendationstoISDNuser-networkinterfacesI.420–I.429Layer1Recommen

5、dationsI.430–I.439Layer2RecommendationsI.440–I.449Layer3RecommendationsI.450–I.459Multiplexing,rateadaptionandsupportofexistinginterfacesI.460–I.469AspectsofISDNaffectingterminalrequirementsI.470–I.499INTERNETWORKINTERFACESI.500–I.599MAINTENANCEPRINCIPLESI.600–I.699B-ISDNEQUIPMENTASPECTSI.700–I.799A

6、TMequipmentI.730–I.749ManagementofATMequipmentI.750–I.799Forfurtherdetails,pleaserefertoITU-TListofRecommendations.ITU-TRECOMMENDATIONI.555FRAMERELAYINGBEARERSERVICEINTERWORKINGSummaryThisRecommendationdescribesthefunctionalrequirementsandconfigurationsacrossinterfacesforinterworkingbetweenFrameRela

7、yingBearerServices(FRBS)andotherservices.TheinterworkingarrangementscoveredinthisRecommendationare:interworkingbetweenFrameRelayingandFrameSwitchingbearerservices;interworkingbetweenFRBSandRecommendat