BS ISO/IEC 9314-5-1995 信息处理系统.光纤数据分布式接口(FDDI).混合式环控制(HRC)
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【英文标准名称】:Informationprocessingsystems-FibreDistributedDataInterface(FDDI)-HybridRingControl(HRC)
【原文标准名称】:信息处理系统.光纤数据分布式接口(FDDI).混合式环控制(HRC)
【标准号】:BSISO/IEC9314-5-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-07-15
【实施或试行日期】:1995-07-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:纤维光学;信息交流;光纤;数据传输;高级数据链路控制规程;纤维光缆;计算机网络;同步传输;光纤分布数据接口(FIBERDISTRIBUTEDDATAINTERFACE);光学纤维;数据传输控制规程;数据传输方法;协议;物理层(开放系统互连);开放系统互连;接口;包交换网络;数据链路层
【英文主题词】:Communicationprocedures;Controlprocedures;Datainterface;Dataprocessing;Datatransfer;Datatransmission;FDDI;Fibredistributeddatainterface;Fibreoptics;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Networkinterconnection;Opticalfibres;Opticalwaveguides;Packetswitchingnetworks;Physicallayers
【摘要】:ThispartofISO/IEC9314specifiesahybridringcontrol(HRC)protocolwhichprovidesamodeofoperationinwhichbothpacketswitchedandisochronousdataaretransmittedwithinthesamespecialframestructure,calledacycle.HRCisdesignedtooperatewiththeexistingmediaaccesscontrol(MAC),physicallayer(PHY),andphysicalmediumdependent(PMD)layersoftheFDDIprotocol.TheHRCiscomposedofthehybridmultiplexer(H-MUX)andtheisochronousmediaaccesscontrol(I-MAC)protocols.TheH-MUXintegratespacketandisochronousdataintocycleswhichittransmitsontoandreceivesfromthemediumusingtheservicesofthephysicallayer.TheI-MACprovidesseparatetransmissionchannelsforthetransferofuserisochronousdatastreams.Theformat,clockingandsynchronizationofcycles,andtheoperationandinterfacesoftheH-MUXandI-MACaredefinedbythispartofISO/IEC9314.TheseinterfacesincludetheinterfacetotheFDDIstationmanagement(SMT)protocol.TheHRCisdesignedtosupportvarioustransmissionrates,from100Mbpsupwards,inincrementsof6,144Mbps.AlltransmissionratedependentparametersdefinedinthispartofISO/IEC9314assumeatransmissionrateof100Mbps.StationscomposedofFDDIandHRCentitiesarereferredtoasFDDI-Ⅱstations.TheFDDIpacketMAC(P-MAC)andtheHRCcomponents,andtheirarchitecturalrelationshiptoLLCandacircuitswitchingMultiplexer(CS-MUX)areillustratedinfigure1.ThisfiguredoesnotimplyanimplementationconfigurationFDDI-ⅡnetworksconsistofFDDI-Ⅱstations.InteroperabilitybetweenFDDIandFDDI-ⅡstationsonthesamenetworkisprovidedinHRCbasicmode,whichonlysupportspackettransmission.ThesetofFDDIstandards,ISO/IEC9314,specifiestheinterfaces,functions,andoperationsnecessarytoensureinteroperabilitybetweenconformingFDDIimplementations.ThispartofISO/IEC9314specifiesahybridringcontrolprotocol:HRC.Conformingimplementationsmayemployanydesigntechniquethatdoesnotviolateinteroperability.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01;35_110
【页数】:120P;A4
【正文语种】:英语
【原文标准名称】:信息处理系统.光纤数据分布式接口(FDDI).混合式环控制(HRC)
【标准号】:BSISO/IEC9314-5-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-07-15
【实施或试行日期】:1995-07-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:纤维光学;信息交流;光纤;数据传输;高级数据链路控制规程;纤维光缆;计算机网络;同步传输;光纤分布数据接口(FIBERDISTRIBUTEDDATAINTERFACE);光学纤维;数据传输控制规程;数据传输方法;协议;物理层(开放系统互连);开放系统互连;接口;包交换网络;数据链路层
【英文主题词】:Communicationprocedures;Controlprocedures;Datainterface;Dataprocessing;Datatransfer;Datatransmission;FDDI;Fibredistributeddatainterface;Fibreoptics;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Networkinterconnection;Opticalfibres;Opticalwaveguides;Packetswitchingnetworks;Physicallayers
【摘要】:ThispartofISO/IEC9314specifiesahybridringcontrol(HRC)protocolwhichprovidesamodeofoperationinwhichbothpacketswitchedandisochronousdataaretransmittedwithinthesamespecialframestructure,calledacycle.HRCisdesignedtooperatewiththeexistingmediaaccesscontrol(MAC),physicallayer(PHY),andphysicalmediumdependent(PMD)layersoftheFDDIprotocol.TheHRCiscomposedofthehybridmultiplexer(H-MUX)andtheisochronousmediaaccesscontrol(I-MAC)protocols.TheH-MUXintegratespacketandisochronousdataintocycleswhichittransmitsontoandreceivesfromthemediumusingtheservicesofthephysicallayer.TheI-MACprovidesseparatetransmissionchannelsforthetransferofuserisochronousdatastreams.Theformat,clockingandsynchronizationofcycles,andtheoperationandinterfacesoftheH-MUXandI-MACaredefinedbythispartofISO/IEC9314.TheseinterfacesincludetheinterfacetotheFDDIstationmanagement(SMT)protocol.TheHRCisdesignedtosupportvarioustransmissionrates,from100Mbpsupwards,inincrementsof6,144Mbps.AlltransmissionratedependentparametersdefinedinthispartofISO/IEC9314assumeatransmissionrateof100Mbps.StationscomposedofFDDIandHRCentitiesarereferredtoasFDDI-Ⅱstations.TheFDDIpacketMAC(P-MAC)andtheHRCcomponents,andtheirarchitecturalrelationshiptoLLCandacircuitswitchingMultiplexer(CS-MUX)areillustratedinfigure1.ThisfiguredoesnotimplyanimplementationconfigurationFDDI-ⅡnetworksconsistofFDDI-Ⅱstations.InteroperabilitybetweenFDDIandFDDI-ⅡstationsonthesamenetworkisprovidedinHRCbasicmode,whichonlysupportspackettransmission.ThesetofFDDIstandards,ISO/IEC9314,specifiestheinterfaces,functions,andoperationsnecessarytoensureinteroperabilitybetweenconformingFDDIimplementations.ThispartofISO/IEC9314specifiesahybridringcontrolprotocol:HRC.Conformingimplementationsmayemployanydesigntechniquethatdoesnotviolateinteroperability.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01;35_110
【页数】:120P;A4
【正文语种】:英语
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