ISO/IEC 18017-2001 信息技术系统间通信和信息交换个人综合业务网使用个人虚拟网方案的映射功能
时间:2024-05-15 01:37:19 来源: 标准资料网 作者：标准资料网 阅读：8685
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-PrivateIntegratedServicesNetwork;MappingfunctionsfortheemploymentofVirtualPrivateNetworkscenarios
【原文标准名称】:信息技术系统间通信和信息交换个人综合业务网使用个人虚拟网方案的映射功能
【标准号】:ISO/IEC18017-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-11
【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】:虚拟专业网;电信;电路;电路网络;无线电电路;信息处理;专业综合服务网;宽带网络;传播技术;数据处理
【英文主题词】:Broadbandnetwork;Circuitnetworks;Circuits;Communicationtechnology;Dataprocessing;Informationprocessing;PISN;Privateintegratedservicesnetworking;Radiocircuits;Telecommunication;Telecommunications;Virtualprivatenetwork
【摘要】:ThisInternationalStandarddefinesthemappingfunctionsinexchangesofprivateintegratedservicesnetworks(PISN)requiredfortheirattachmenttoVirtualPrivateNetwork(VPN)functionalityofpublic(orthirdpartyprovided)networkequipment.MappingfunctionsarerequiredtoprovideforthephysicalterminationoftheinterfaceattheCorTreferencepoints,andforthemappingofuserchannelsandsignallinginformationflowsattheQreferencepointtotheappropriatechannelsortime-slotsattheCorTreferencepoint.AttheTreference,pointitisassumedthattheprotocolusedontheDchannelistheenhancedversionofDSS1.TheseprotocolenhancementsaregiveninAnnexQandAnnexXofRecommendationsQ.931andQ.932respectively.ThemappingfunctionspecifiedinthisInternationalStandardareapplicabletoPINXsconnectedtoaVPNthatsupportseitherPISNinformationflowsbetweenaccessesand/orPISNservices.TheCandQreferencepointsaredefinedinISO/IEC11579-1.TheTreferencepointisdefinedinITU-TRec.1.411.ThetypesofinterfacesattheCorTreferencepointcoveredbythisInternationalStandardaretheISDNprimaryrateinterfaceandthebasicaccessinterface.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems;PrivateintegratedServicesNetwork-Mappingfunctionsfortheemploymentof64-kbit/scircuitmodeconnectionswith16-kbit/ssub-multiplexing
【原文标准名称】:信息技术系统间远程通信和信息交换专用综合业务网使用带有16kbit/s子复用的64kbit/s电路方式连接的映射功能
【标准号】:ISO/IEC17310-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-09
【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】:电路网络;电路;传播技术;复接;专业综合业务网;信息处理;无线电电路;数据处理;电信;宽带网络
【英文主题词】:Broadbandnetwork;Circuitnetworks;Circuits;Communicationtechnology;Dataprocessing;Informationprocessing;Multiplexing;PISN;Privateintegratedservicesnetworking;Radiocircuits;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandarddefinesthemappingfunctionsinexchangesofPrivateIntegratedServicesNetworks(PISNs)requiredfortheutilizationofscenariosinwhich64kbit/scircuitmodeconnectionsaresub-multiplexedinto4×16kbit/schannelsforcarryinginter-PINXsignallinganduserinformation.NOTE1-ThisInternationalStandardhasbeenpreparedtomeetthespecificneedsofanapplicationforaparticularuserorganisation.However,itmayalsobeapplicableelsewhere.TherequirementscontainedinthisInternationalStandardwillbeincorporatedinanyfuturestandardspecifyingamoregenericapproachtobearerconditioning.InordertoconnectaPrivateIntegratedServicesNetworkExchange(PINX)toanotherPINX,mappingfunctionsarerequiredtoadaptthespecificinterfacesattheCreferencepointtotheapplicationattheQreferencepoint.Assuch,mappingfunctionsprovideforphysicaladaptationtotheinterfaceattheCreferencepoint.MappingfunctionsalsoprovideforthemappingofuserchannelsandsignallinginformationattheQreferencepointtotheappropriatechannelsortimeslotsattheCreferencepoint.TheCandQreferencepointsaredefinedinISO/IEC11579-1.ThetypeofinterfaceattheCreferencepointcoveredbythisInternationalStandardisthe64kbit/sUnrestrictedDigitalLeasedLine(D64U)TerminalEquipmentInterface,inaccordancewithITU-TRec.G.703.AttheQreferencepointthemappingprovidesa16kbit/sserviceforuserchannelstosupportthetransferofunrestricteddigitalinformationandtosupportthetransferofspeech,andapacketmodeserviceforthesignallingchannel.Theappliedmappingisastaticmapping,i.e.thereisafixedrelationshipbetweenuserandsignallingchannelsattheQreferencepointandtheinterfaceattheCreferencepoint.ManagementfunctionsrelatingtofailuremanagementareoutsidethescopeofthisInternationalStandard.ThisInternationalStandardisapplicabletoPINXsthatcanbeinterconnectedtoformaPrivateIntegratedServicesNetwork(PISN)andthatsupportsignallingprotocolsattheQreferencepoint.
【中国标准分类号】:L78
【国际标准分类号】:33_040_35
【页数】:10P;A4
【正文语种】:英语
Product Code:SAE AMS4824
Title:Bearings, Babbitt-Coated Leaded-Bronze, Steel Back (NONCURRENT)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers bearings of a leaded bronze cast on one or both faces of a steel backing with a layer of babbitt metal cast on the leaded bronze.