ITU-T I.150 (02 1999) (英) B-ISDN asynchronous transfer……

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TI.150TELECOMMUNICATION(02/99)STANDARDIZATIONSECTOROFITUSERIESI:INTEGRATEDSERVICESDIGITALNETWORKGeneralstructure–GeneraldescriptionofasynchronoustransfermodeB-ISDNasynchronoustransfermodefunctionalcharacteristicsITU-TRecommen

2、dationI.150(PreviouslyCCITTRecommendation)ITU-TI-SERIESRECOMMENDATIONSINTEGRATEDSERVICESDIGITALNETWORKGENERALSTRUCTURETerminologyI.110–I.119DescriptionofISDNsI.120–I.129GeneralmodellingmethodsI.130–I.139TelecommunicationnetworkandserviceattributesI.140–I.149Genera

3、ldescriptionofasynchronoustransfermodeI.150–I.199SERVICECAPABILITIESScopeI.200–I.209GeneralaspectsofservicesinISDNI.210–I.219CommonaspectsofservicesintheISDNI.220–I.229BearerservicessupportedbyanISDNI.230–I.239TeleservicessupportedbyanISDNI.240–I.249Supplementarys

4、ervicesinISDNI.250–I.299OVERALLNETWORKASPECTSANDFUNCTIONSNetworkfunctionalprinciplesI.310–I.319ReferencemodelsI.320–I.329Numbering,addressingandroutingI.330–I.339ConnectiontypesI.340–I.349PerformanceobjectivesI.350–I.359ProtocollayerrequirementsI.360–I.369Generaln

5、etworkrequirementsandfunctionsI.370–I.399ISDNUSER-NETWORKINTERFACESApplicationofI-seriesRecommendationstoISDNuser-networkinterfacesI.420–I.429Layer1RecommendationsI.430–I.439Layer2RecommendationsI.440–I.449Layer3RecommendationsI.450–I.459Multiplexing,rateadaptiona

6、ndsupportofexistinginterfacesI.460–I.469AspectsofISDNaffectingterminalrequirementsI.470–I.499INTERNETWORKINTERFACESI.500–I.599MAINTENANCEPRINCIPLESI.600–I.699B-ISDNEQUIPMENTASPECTSATMequipmentI.730–I.739TransportfunctionsI.740–I.749ManagementofATMequipmentI.750–I.

7、799Forfurtherdetails,pleaserefertoITU-TListofRecommendations.ITU-TRECOMMENDATIONI.150B-ISDNASYNCHRONOUSTRANSFERMODEFUNCTIONALCHARACTERISTICSSummaryThisRecommendationdefinesthefunctionsoftheAsynchronousTransferMode(ATM)layer.ThisATMlayeriscommontoallservicesincludi

8、ngsignallingandOAM.SourceITU-TRecommendationI.150wasrevisedbyITU-TStudyGroup13(1997-2000)andwasapprovedundertheWTSCResolutionNo.1procedureonthe26thofFeb