ITU-T I.311 (08 1996) (英) B-ISDN general network aspects

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1、INTERNATIONALTELECOMMUNICATIONUNION)45 4)TELECOMMUNICATION(08/96)STANDARDIZATIONSECTOROFITUSERIESI:INTEGRATEDSERVICESDIGITALNETWORKOverallnetworkaspectsandfunctions–Networkfunctionalprinciples" )3$.GENERALNETWORKASPECTSITU-TRecommendationI.311(PreviouslyCCITTRecommendation)ITU-TI-SERI

2、ESRECOMMENDATIONS).4%'2!4%$3%26)#%3$)')4!,.%47/2+GENERALSTRUCTUREI.100–I.199TerminologyI.110–I.119DescriptionofISDNsI.120–I.129GeneralmodellingmethodsI.130–I.139TelecommunicationnetworkandserviceattributesI.140–I.149GeneraldescriptionofasynchronoustransfermodeI.150–I.199SERVICECAPABILITIE

3、SI.200–I.299ScopeI.200–I.209GeneralaspectsofservicesinISDNI.210–I.219CommonaspectsofservicesintheISDNI.220–I.229BearerservicessupportedbyanISDNI.230–I.239TeleservicessupportedbyanISDNI.240–I.249SupplementaryservicesinISDNI.250–I.299OVERALLNETWORKASPECTSANDFUNCTIONSI.300–I.399.ETWORKFUNCTION

4、ALPRINCIPLES))ReferencemodelsI.320–I.329Numbering,addressingandroutingI.330–I.339ConnectiontypesI.340–I.349PerformanceobjectivesI.350–I.359ProtocollayerrequirementsI.360–I.369GeneralnetworkrequirementsandfunctionsI.370–I.399ISDNUSER-NETWORKINTERFACESI.400–I.499ApplicationofI-seriesR

5、ecommendationstoISDNuser-networkinterfacesI.420–I.429Layer1RecommendationsI.430–I.439Layer2RecommendationsI.440–I.449Layer3RecommendationsI.450–I.459Multiplexing,rateadaptionandsupportofexistinginterfacesI.460–I.469AspectsofISDNaffectingterminalrequirementsI.470–I.499INTERNETWORKINTERFACESI.

6、500–I.599MAINTENANCEPRINCIPLESI.600–I.699B-ISDNEQUIPMENTASPECTSI.700–I.799ATMequipmentI.730–I.749ManagementofATMequipmentI.750–I.799Forfurtherdetails,pleaserefertoITU-TListofRecommendations.ITU-TRECOMMENDATIONI.311B-ISDNGENERALNETWORKASPECTSSourceITU-TRecommendationI.311wasrevisedbyITU-TStud

7、yGroup13(1993-1996)andwasapprovedundertheWTSCResolutionNo.1procedureonthe27thofAugust1996.FOREWORDITU(InternationalTelecommunicationUnion)istheUnitedNationsSpecializedAgencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector