ISO IEC 15899-1998 Information technology - Telecommunications and information exchange between systems - Broadband Private Integrated Services Network - Servic.pdf

《ISO IEC 15899-1998 Information technology - Telecommunications and information exchange between systems - Broadband Private Integrated Services Network - Servic.pdf》由会员分享，可在线阅读，更多相关《ISO IEC 15899-1998 Information technology - Telecommunications and information exchange between systems - Broadband Private Integrated Services Network - Servic.pdf（14页珍藏版）》请在麦多课文档分享上搜索。

1、BC Referencenumber ISO/IEC15899:1998(E) INTERNATIONAL STANDARD ISO/IEC 15899 Firstedition 19981101 Informationtechnology Telecommunicationsandinformation exchangebetweensystemsBroadband PrivateIntegratedServicesNetwork ServicedescriptionBroadband connectionorientedbearerservices Technologiesdelinfor

2、mationTlcommunicationsetchange dinformationentresystmesRseauxprivsintgrationdeservices largebandeDescriptiondesservicesServiceslargebandede supportsorientsconnexionISO/IEC15899:1998(E) ISO/IEC1998 Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorb

3、yan ymeans,electronic ormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. ISO/IECCopyrightOffice * CasePostale56 * CH1211Genve20 * Switzerland PrintedinSwitzerland ii Contents Page Foreword iii Introduction iv 1 Scope 1 2 Conformance 1 3 Normativereferences 1 4

4、 Definitions 1 4.1 Externaldefinitions 1 4.2 Call 2 4.3 Call/connection 2 5 Listofacronyms 2 6 Broadbandconnectionorientedbearerservices 2 6.1 Description 2 6.2 StaticDescription:ServiceAttributes 3 6.2.1 Bearerserviceusingaconstantbitrate 3 6.2.2 Bearerservicewithrealtimerequirementsusingavariableb

5、itrate 4 6.2.3 Bearerservicewithoutrealtimerequirementsusingavariablebitrate 4 6.2.4 Bearerserviceusingtheavailablebitrate 5 6.2.5 Bearerserviceusingtheunspecifiedbitrate 6 6.3 Procedures 7 6.3.1 Provision 7 6.3.2 Normalprocedures 7 6.3.3 Exceptionalprocedures 7 6.4 Interworkingconsiderations 8 6.4.

6、1 InterworkingwithapublicBISDN 8 6.4.2 Interworkingwithanarrowbandprivateintegratedservicesnetwork(NPISN) 8 AnnexA Glossaryofterms 9 ISO/IEC ISO/IEC15899:1998(E) iii Foreword ISO(theInternationalOrganizationforStandardization)andIEC(theInternationalElectrotechnicalCommission)formthe specializedsyste

7、mforworldwidestandardization.NationalbodiesthataremembersofISOorIECparticipateinthe developmentofInternationalStandardsthroughtechnicalcommitteesestablishedbytherespectiveorganizationtodealwith particularfieldsoftechnicalactivity.ISOandIECtechnicalcommitteescollaborateinfieldsofmutualinterest.Other

8、internationalorganizations,governmentalandnongovernmental,inliaisonwithISOandIEC,alsotakepartinthework. Inthefieldofinformationtechnology,ISOandIEChaveestablishedajointtechnicalcommittee,ISO/IECJTC1.Draft InternationalStandardsadoptedbythejointtechnicalcommitteearecirculatedtonationalbodiesforvoting

9、.Publicationasa n InternationalStandardrequiresapprovalbyatleast75%ofthenationalbodiescastingavote. InternationalStandardISO/IEC15899waspreparedbyECMA(asECMA261)andwasadopted,underaspecial“fasttrack procedure”,byJointTechnicalCommitteeISO/IECJTC1, Informationtechnology,inparallelwithitsapprovalbynat

10、ional bodiesofISOandIEC. AnnexAisforinformationonly.ISO/IEC15899:1998(E) ISO/IEC iv Introduction ThisInternationalStandardisoneofaseriesofstandardsdefiningservicesandsignallingprotocolsapplicabletoBroadband PrivateIntegratedServicesNetworks.TheseriesusestheBISDNconceptsasdevelopedbyITUTandconformsto

11、the frameworkofInternationalStandardsforopensystemsinterconnectionasdefinedbyISO/IEC. ThisInternationalStandardspecifiesthebroadbandconnectionorientedbearerservices. ThisInternationalStandardisbaseduponthepracticalexperienceofECMAmembercompaniesandtheresultsoftheiractive andcontinuousparticipationin

12、theworkofISO/IECJTC1,ITUT,ETSIandotherinternationalandnationalstandardization bodies.Itrepresentsapragmaticandwidelybasedconsensus. TheservicesspecifiedinthisInternationalStandardarecompatiblewiththeequivalentservicesspecifiedbytheATMForum forprivateATMnetworksandbyITUTorETSIforpublicBISDN.INTERNATI

13、ONALSTANDARD ISO/IEC ISO/IEC15899:1998(E) 1 InformationtechnologyTelecommunicationsandinformationexchangebetween systemsBroadbandPrivateIntegratedServicesNetworkServicedescription Broadbandconnectionorientedbearerservices 1 Scope ThisInternationalStandardspecifiesservicedescriptionandcontrolaspectso

14、fthebroadbandconnectionorientedbearer serviceswhichmaybeprovidedbyBroadbandPrivateIntegratedServicesNetworks(BPISNs). Oneofthepurposesoftheservicespecificationforbroadbandconnectionorientedbearerservicesistoguideandconstrainth e workonsignallingprotocols.Therefore,thisInternationalStandardisconcerne

15、dmainlywiththecontrolaspectsofservices. ChangeoftrafficcharacteristicsduringacallisoutsidethescopeofthisInternationalStandard. ChargingconsiderationsareoutsidethescopeofthisInternationalStandard. 2 Conformance InordertoconformtothisInternationalStandard,aprotocolstandardshallspecifysignallingprotoco

16、lsandequipment behaviourthatarecapableofbeingusedinaBPISNwhichsupportsthebearerservicespecifiedinthisInternational Standard.Thismeansthat,toclaimconformance,aprotocolstandardisrequiredtobeadequateforthesupportofthose aspectsofclause6whicharerelevanttotheinterfaceorequipmenttowhichtheprotocolstandard

17、applies. 3 Normativereferences Thefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisInternational Standard.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjecttorevision,andpartiesto agreementsbasedonthisInternationalStandardareencou

18、ragedtoinvestigatethepossibilityofapplyingthemostrecentediti ons ofthestandardsindicatedbelow.MembersofIECandISOmaintainregistersofcurrentlyvalidInternationalStandard. ISO/IEC11574:1994, InformationtechnologyTelecommunicationsandinformationexchangebetweensystems PrivateIntegratedServicesNetworkCircu

19、itmode64kbit/sbearerservicesServicedescription, functionalcapabilitiesandinformationflows. ISO/IEC115791:1994, InformationtechnologyTelecommunicationsandinformationexchangebetweensystems PrivateIntegratedServicesNetworkPart1:ReferenceconfigurationforPISNExchanges (PINX). ITUTRec.I.112:1993, Vocabula

20、ryoftermsforISDNs. ITUTRec.I.113:1993, VocabularyoftermsforbroadbandaspectsofISDN. ITUTRec.I.210:1993, PrinciplesoftelecommunicationservicessupportedbyanISDNandthemeanstodescribethem. ITUTRec.I.361 BISDNATMlayerspecification. ITUTRec.I.363 BISDNATMadaptationlayer(AAL)specification. ATMForum UserNetw

21、orkInterfaceSpecification,Version4.0(UNI4.0). ATMForum TrafficManagementSpecification,Version4.0(TM4.0). 4 Definitions ForthepurposesofthisInternationalStandard,thefollowingdefinitionsapply. 4.1 Externaldefinitions ThisInternationalStandardusesthefollowingtermsdefinedinotherdocuments: - Basicservice

22、 (ITUTRec.I.210) - Connection (ITUTRec.I.113) - PrivateIntegratedServicesNetwork(PISN) (ISO/IEC115791)ISO/IEC15899:1998(E) ISO/IEC 2 - PrivateIntegratedServicesNetworkExchange(PINX) (ISO/IEC115791) - Service (ITUTRec.I.112) - Signalling (ITUTRec.I.112) - SupplementaryService (ITUTRec.I.210) - Traffi

23、ccontract (ITUTRec.I.113) - User (ISO/IEC11574) - Virtualchannel (ITUTRec.I.113) 4.2Call: Anassociationbetweentwoormoreusersusingatelecommunicationservicetocommunicatethroughoneormore networks. 4.3Call/connection: Acallcombinedwithasingleconnectionintheuserplaneforthetransferofuserinformation. 5 Lis

24、tofacronyms AAL ATMAdaptationLayer ABR AvailableBitRate ATM AsynchronousTransferMode BPISN BroadbandPrivateIntegratedServicesNetwork BCOB BroadbandConnectionOrientedBearer CBR ConstantBitRate CDV CellDelayVariation CLP CellLossPriority CLR CellLossRatio ISDN IntegratedServicesDigitalNetwork MBS Maxi

25、mumBurstSize MCR MinimumCellRate OAM OperationAndMaintenance PCR PeakCellRate PINX PrivateIntegratedServicesNetworkExchange PISN PrivateIntegratedServicesNetwork QoS QualityofService SCR SustainableCellRate UBR UnspecifiedBitRate VBR VariableBitRate 6 Broadbandconnectionorientedbearerservices 6.1 De

26、scription ThesebearerservicesallowPISNuserstorequestonademandbasisunrestricteddigitalinformationtransferwithconstantor variablebitratebetweenPISNusersandtonegotiateasuitabletrafficcontractwiththePISN. Onthebasisofthenegotiatedtrafficcontract,PISNuserscancommunicateinpointtopointorpointtomultipoint c

27、onfigurationsviathePISNusingATMvirtualchannelconnections.Onceavirtualchannelconnectionhasbeenestablished accordingtotheproceduresdescribedin6.3,itisavailableforthetransmissionofdigitalsignalseitherinonedirectiono rin bothdirectionssimultaneously,withinthelimitsofthetrafficcontract,forthedurationofth

28、ecall/connection.ThePISNsh all placenorestrictionsonthecontentofthedigitalsignalsbutmayapplytrafficandcongestioncontrolinordertoprevent violationofthenegotiatedtrafficcontract. ISO/IEC ISO/IEC15899:1998(E) 3 6.2 StaticDescription:ServiceAttributes Thevalidcombinationsofserviceattributesforallbearers

29、ervicesspecifiedherearethosedefinedinannex9oftheATM ForumspecificationUNI4.0.TheATMservicecategoriesaredefinedintheATMForumspecificationTM4.0. 6.2.1 Bearerserviceusingaconstantbitrate 6.2.1.1 Dominantinformationtransferattributes Thedominantinformationtransferattributevaluesforthisserviceshall be: 1

30、) Informationtransfermode:ATM 1.1) Connectionmode:Connectionoriented 1.2) ATMservicecategory:ConstantBitRate(CBR) 1.3) Allowablebearerclasses:BCOBA,BCOBX 2) Informationtransferrate:Specifiedindividuallyforeachdirectionoftransmission 2.1) Peakcellrate: PCR(CLP=0+1)declaredbytheuseronaperconnectionbas

31、is PCR(CLP=0)optionallydeclaredseparately PCR(OAM)optionallydeclaredseparately 2.2) Sustainablecellrate/maximumburstsize:notapplicable 2.3) Tagging:Notallowed,oroptionallyallowedifPCR(CLP=0)isgiven 2.4) Framediscard:Eitherallowedornotallowed 3) Informationtransfercapability:Unrestricted 4) Structure

32、:Cellsequenceintegrity. 6.2.1.2 Secondaryinformationtransferattributes Thesecondaryinformationtransferattributevaluesforthisservicecategoryshall be: 5) Establishmentofcommunication:Demand;reservedandpermanentoutsidethescopeofthisInternationalStandard 6) Symmetry:Bidirectionalsymmetric,bidirectionala

33、symmetric,unidirectional 7) Communicationconfiguration:Pointtopoint;pointtomultipoint 6.2.1.3 Accessattributes Theaccessattributevaluesforthisservicecategoryshall be: 8) Accesschannel: ATMvirtualchannel 9) Accessprotocol: ATMlayer:I.361 ATMAdaptationLayer(AAL):I.363 Higherlayers:Applicationspecific

34、6.2.1.4 Generalattributes 10) Supplementaryservicesprovided:OutsidethescopeofthisInternationalStandard 11) Qualityofservice: QoSclass0;otherclassesnetworkspecific 11.1) Maximumendtoendtransitdelay:Optionallyspecified(forforwarddirection). 11.2) Celllossratio: OptionallyeitherCLR(CLP=0+1)orCLR(CLP=0)

35、specified 11.3) Celldelayvariation: OptionallypeaktopeakCDVspecified 12) Interworkingpossibilities:64kbit/sandnx64kbit/scircuitmodebasicservicesISO/IEC15899:1998(E) ISO/IEC 4 6.2.2 Bearerservicewithrealtimerequirementsusingavariablebitrate 6.2.2.1 Dominantinformationtransferattributes Thedominantinf

36、ormationtransferattributevaluesforthisserviceshall be: 1) Informationtransfermode:ATM 1.1) Connectionmode:Connectionoriented 1.2) ATMservicecategory:RealTimeVariableBitRate(rtVBR) 1.3) Allowablebearerclasses:BCOBC,BCOBX 2) Informationtransferrate:Specifiedindividuallyforeachdirectionoftransmission 2

37、.1) Peakcellrate: PCR(CLP=0+1)declaredbytheuseronaperconnectionbasis 2.2) Sustainablecellrate: EitherSCR(CLP=0+1)orSCR(CLP=0)declaredbytheuseronaperconnectionbasis 2.3) Maximumburstsize: EitherMBS(CLP=0+1)orMBS(CLP=0)declaredbytheuseronaperconnectionbasis 2.4) Tagging:IfSCR(CLP=0)isgiven,eitherallow

38、edornotallowed 2.5) Framediscard:Eitherallowedornotallowed 3) Informationtransfercapability:Unrestricted 4) Structure:Cellsequenceintegrity. 6.2.2.2 Secondaryinformationtransferattributes Thesecondaryinformationtransferattributevaluesforthisservicecategoryshall be: 5) Establishmentofcommunication:De

39、mand;reservedandpermanentoutsidethescopeofthisInternationalStandard 6) Symmetry:Bidirectionalsymmetric,bidirectionalasymmetric,unidirectional 7) Communicationconfiguration:Pointtopoint;pointtomultipoint 6.2.2.3 Accessattributes Theaccessattributevaluesforthisservicecategoryshall be: 8) Accesschannel

40、: ATMvirtualchannel 9) Accessprotocol: ATMlayer:I.361 ATMAdaptationLayer(AAL):I.363 Higherlayers:Applicationspecific 6.2.2.4 Generalattributes 10) Supplementaryservicesprovided:OutsidethescopeofthisInternationalStandard 11) Qualityofservice: QoSclass0;otherclassesnetworkspecific 11.1) Maximumendtoen

41、dtransitdelay:Optionallyspecified(forforwarddirection). 11.2) Celllossratio: OptionallyeitherCLR(CLP=0+1)orCLR(CLP=0)specified 11.3) Celldelayvariation: OptionallypeaktopeakCDVspecified 12) Interworkingpossibilities:Applicationspecific 6.2.3 Bearerservicewithoutrealtimerequirementsusingavariablebitr

42、ate 6.2.3.1 Dominantinformationtransferattributes Thedominantinformationtransferattributevaluesforthisserviceshall be: 1) Informationtransfermode:ATM 1.1) Connectionmode:Connectionoriented 1.2) ATMservicecategory:NonrealTimeVariableBitRate(nrtVBR) ISO/IEC ISO/IEC15899:1998(E) 5 1.3) Allowablebearerc

43、lasses:BCOBC,BCOBX 2) Informationtransferrate:Specifiedindividuallyforeachdirectionoftransmission 2.1) Peakcellrate: PCR(CLP=0+1)declaredbytheuseronaperconnectionbasis 2.2) Sustainablecellrate: EitherSCR(CLP=0+1)orSCR(CLP=0)declaredbytheuseronaperconnectionbasis 2.3) Maximumburstsize: EitherMBS(CLP=0+1)orMBS(CLP=0)declaredbytheuseronaperconnectionbasis 2.4) Tagging:IfSCR(CLP=0)isgiven,eitherallowedornotallowed 2.5) Framediscard:Eitherallowedornotallowed 3) Informationtransfercapability:Unrestricted 4) Structure:Cellsequenceintegrity. 6.2.3.2 Secondaryinformationtransferattributes These