ISO/IEC 14476-2-2003 信息技术.增强通信传输协议:单工多点传送用QoS管理规范
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【英文标准名称】:Informationtechnology-Enhancedcommunicationstransportprotocol:SpecificationofQoSmanagementforsimplexmulticasttransport
【原文标准名称】:信息技术.增强通信传输协议:单工多点传送用QoS管理规范
【标准号】:ISO/IEC14476-2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-12-15
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1/SC6
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电路网络;信息技术;数据处理;传送层;传送服务;开式系统;传送协议;数据传送;传播学;数据交换;通信系统;信息交换
【英文主题词】:
【摘要】:ThisRecommendation|InternationalStandardisanintegralpartofITU-TRecsX.606.X|ISO/IEC14476"ECTP:EnhancedCommunicationsTransportProtocol",whichisafamilyofProtocolSpecificationsdesignedtosupportmulticasttransportservices.ITU-TRec.X.606|ISO/IEC14476-1providesaspecificationofvariousprotocoloperationsforsimplexmulticasttransport.Thoseprotocoloperationsincludeconnectionmanagementsuchasconnectioncreation/terminationandconnectionpause/resume,membershipmanagementsuchaslatejoin,userleaveandmembershiptracking,anderrorcontrolformulticastdatatransportsuchaserrordetectionandrecovery.ThispartoftheRecommendation|InternationalStandardprovidesaspecificationofQoSmanagementforaccomplishingdesirablequalityofserviceinsimplexmulticasttransportconnection.ThisSpecificationdescribesthefollowingQoSmanagementoperations:a)QoSnegotiationForQoSnegotiation,thisSpecificationassumesthatadesiredQoSlevelformulticastapplicationservicecanbeexpressedintermsofasetofQoSparameters.QoSnegotiationisperformedviaexchangeofcontrolpacketsbetweensenderandreceivers.SenderproposesthetargetvaluesofQoSparametersobtainedfromtheapplication'srequirements,andtheneachreceivercanproposemodifiedvaluesbasedonitssystemand/ornetworkcapacity.Senderarbitratesthemodifiedvaluesproposedbyreceivers.TargetvaluesforQoSparameterscanbeusedasinputparametersforreservationofnetworkresources.b)QoSmonitoringQoScontrolinECTPisbasedonfeedbackofcontrolpacketsfromreceivers.Thefeedbackmessagesfromreceiversenablethesendertokeeptrackofthenumberofactivereceiversandalsotomonitortheconnectionstatusformulticastdatatransport.QoSmonitoringisdesignedtoallowthesendertodiagnosetheconnectionstatusintermsofQoSparametervalues,andthustotakethenecessaryactionsformaintainingtheconnectionstatusatadesiredQoSlevel.Themonitoredconnectionstatuswillbereportedtotheapplicationatthesenderside.Theinformationconveyedcouldprovidestatisticsusefulforbillingpurposes,forexample.c)QoSmaintenanceBasedonfeedbackinformationfromreceivers,thesendertakesoneormoreactionssoastomaintaintheconnectionstatusatadesiredQoSlevel.TheseQoSmaintenanceactionsincludeadjustmentofthedatatransmissionrate,connectionpauseandresume,troublemakerejectionandconnectionterminationoperations.TheseQoSmonitoringandmaintenancefunctions,basedonmonitoredparameterstatus,providerate-basedcongestioncontrol.ThisRecommendation|InternationalStandardisanintegralpartofITU-TRecsX.606.X|ISO/IEC14476,whichhas6parts.Alloftheprotocolcomponents,includingpacketformatsandprotocolproceduresspecifiedinITU-TRec.X.606|ISO/IEC14476-1,arealsovalidinthisRecommendation|InternationalStandard.
【中国标准分类号】:M11
【国际标准分类号】:35_100_40
【页数】:43P.;A4
【正文语种】:英语
【原文标准名称】:信息技术.增强通信传输协议:单工多点传送用QoS管理规范
【标准号】:ISO/IEC14476-2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-12-15
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1/SC6
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电路网络;信息技术;数据处理;传送层;传送服务;开式系统;传送协议;数据传送;传播学;数据交换;通信系统;信息交换
【英文主题词】:
【摘要】:ThisRecommendation|InternationalStandardisanintegralpartofITU-TRecsX.606.X|ISO/IEC14476"ECTP:EnhancedCommunicationsTransportProtocol",whichisafamilyofProtocolSpecificationsdesignedtosupportmulticasttransportservices.ITU-TRec.X.606|ISO/IEC14476-1providesaspecificationofvariousprotocoloperationsforsimplexmulticasttransport.Thoseprotocoloperationsincludeconnectionmanagementsuchasconnectioncreation/terminationandconnectionpause/resume,membershipmanagementsuchaslatejoin,userleaveandmembershiptracking,anderrorcontrolformulticastdatatransportsuchaserrordetectionandrecovery.ThispartoftheRecommendation|InternationalStandardprovidesaspecificationofQoSmanagementforaccomplishingdesirablequalityofserviceinsimplexmulticasttransportconnection.ThisSpecificationdescribesthefollowingQoSmanagementoperations:a)QoSnegotiationForQoSnegotiation,thisSpecificationassumesthatadesiredQoSlevelformulticastapplicationservicecanbeexpressedintermsofasetofQoSparameters.QoSnegotiationisperformedviaexchangeofcontrolpacketsbetweensenderandreceivers.SenderproposesthetargetvaluesofQoSparametersobtainedfromtheapplication'srequirements,andtheneachreceivercanproposemodifiedvaluesbasedonitssystemand/ornetworkcapacity.Senderarbitratesthemodifiedvaluesproposedbyreceivers.TargetvaluesforQoSparameterscanbeusedasinputparametersforreservationofnetworkresources.b)QoSmonitoringQoScontrolinECTPisbasedonfeedbackofcontrolpacketsfromreceivers.Thefeedbackmessagesfromreceiversenablethesendertokeeptrackofthenumberofactivereceiversandalsotomonitortheconnectionstatusformulticastdatatransport.QoSmonitoringisdesignedtoallowthesendertodiagnosetheconnectionstatusintermsofQoSparametervalues,andthustotakethenecessaryactionsformaintainingtheconnectionstatusatadesiredQoSlevel.Themonitoredconnectionstatuswillbereportedtotheapplicationatthesenderside.Theinformationconveyedcouldprovidestatisticsusefulforbillingpurposes,forexample.c)QoSmaintenanceBasedonfeedbackinformationfromreceivers,thesendertakesoneormoreactionssoastomaintaintheconnectionstatusatadesiredQoSlevel.TheseQoSmaintenanceactionsincludeadjustmentofthedatatransmissionrate,connectionpauseandresume,troublemakerejectionandconnectionterminationoperations.TheseQoSmonitoringandmaintenancefunctions,basedonmonitoredparameterstatus,providerate-basedcongestioncontrol.ThisRecommendation|InternationalStandardisanintegralpartofITU-TRecsX.606.X|ISO/IEC14476,whichhas6parts.Alloftheprotocolcomponents,includingpacketformatsandprotocolproceduresspecifiedinITU-TRec.X.606|ISO/IEC14476-1,arealsovalidinthisRecommendation|InternationalStandard.
【中国标准分类号】:M11
【国际标准分类号】:35_100_40
【页数】:43P.;A4
【正文语种】:英语
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