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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-InteroperationofPISNswithIPnetworks
【原文标准名称】:信息技术系统间通信和信息交换PISNs与IP网络的互操作性
【标准号】:ISO/IECTR21890-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:信息技术;数据处理;电话局;电信;PISN;数据传送;定义;因特网;专业综合业务网;专业网络;信息交换;接口;电路网络;协议;合作;综合业务数字网
【英文主题词】:Circuitnetworks;Coordination;Dataprocessing;Datatransfer;Definition;Definitions;Informationinterchange;Informationtechnology;Interfaces(dataprocessing);Internet;ISDN;PISN;Privateintegratedservicesnetworking;Privatenetworks;Protocols;Telecommunications;Telephoneservices
【摘要】:ThepurposeofthisTechnicalReportistoinvestigatetheinteroperabilityofPrivateIntegratedServicesNetworks(PISNs)andInternetProtocol(IP)networks,withaviewtoidentifyingpossiblescenariosforinteroperation,problemsthatwillhavetobesolvedifparticularscenariosaretobepursuedfurther,andpossiblefuturestandardizationactivitiesinthisarea.Inparticular,thefollowingaspectsofinteroperabilityareinvestigated:·theinterworkingofPISNsandIPnetworksviaagateway;·theconnectionofPISNcomponentsviaIPnetworks.Foreachoftheabove,aspectsconsideredincludearchitecture,addressing(includinguseofIPaddressing),services,protocols,security,qualityofserviceandmobility.ThisisconductedwithinthecontextofleadingstandardsforvoiceandmultimediacommunicationoverIPnetworks,includingITU-TrecommendationH.323,IETFSessionInitiationProtocol(SIP)andITU-TrecommendationH.248.PossiblefuturestandardizationactivitiesresultingfromthisTechnicalReportcanincludeworkitemsrelatingtoIPnetworksandworkitemsrelatingtoPISNs,aswellasworkitemsconcernedspecificallywithinteroperability.ThedominanttrafficinPISNsisvoice,andthereforethisTechnicalReportfocusesoninteroperabilityconsiderationsforvoicetraffic.However,manyofthestandardsthatsupportvoiceinanIPnetworkarealsoapplicabletomulti-mediatraffic(e.g.,voice,videoanddata).Althoughinmanyrespectssimilartovoice,faxtraffichasslightlydifferentrequirementsandisnotexplicitlyconsideredinthisTechnicalReport.Itcouldbethesubjectoffurtherstudy.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35
【页数】:47P;A4
【正文语种】:英语