【英文标准名称】:Informationtechnology-FibreDistributedDataInterface(FDDI)-Part6:StationManagement(SMT)
【原文标准名称】:信息技术光纤分布式数据接口(FDDI)第6部分:站管理
【标准号】:ISO/IEC9314-6-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-08
【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
【标准类型】:()
【标准水平】:()
【中文主题词】:网络互连;接口;光纤分布数据接口(FIBERDISTRIBUTEDDATAINTERFACE);信息技术;界面;光学纤维;数据接口;控制规程;定义;数据传输;信息交换;光波导;数据处理;通信规程
【英文主题词】:
【摘要】:ThispartofISO/IEC9314specifiestheStationManagement(SMT)fortheFibreDistributedDataInterface(FDDI).FDDIprovidesahighbandwidth(100megabitspersecond)generalpurposeinterconnectionamongcomputersandperipheralequipmentusingopticalfibreasthetransmissionmediuminaringconfiguration.FDDIcanbeconfiguredtosupportasustainedtransferrateofapproximately80megabits(10megabytes)persecond.TheuseofdualattachmentstationswithdualMACsallowstheseratestobedoubledunderthecircumstanceofafault-freeFDDIring.FDDIestablishestheconnectionamongmanystations(nodes)distributedoverdistancesofseveralkilometresinextent.DefaultvaluesforFDDIwerecalculatedonthebasisof1000physicalconnectionsandatotalfibrepathlengthof200km.TheFDDIconsistsofa)APhysicalLayer(PL),whichprovidesthemedium,connectors,opticalbypassing,anddriver/receiverrequirements.PLalsodefinesencode/decodeandclockrequirementsasrequiredforframingthedatafortransmissiononthemediumortothehigherlayersoftheFDDI.ForthepurposesofthispartofISO/IEC9314,referencestothePLaremadeintermsofthePhysicalLayerprotocol(PHY)andthePhysicalLayerMediaDependent(PMD)entitieswhicharetheupperandlowersublayersofPL,respectively.b)ADataLinkLayer(DLL)whichcontrolstheaccessingofthemediumandthegenerationandverificationofframechecksequencestoassuretheproperdeliveryofvaliddatatothehigherlayers.DLLalsoconcernsitselfwiththegenerationandrecognitionofdeviceaddressesandthepeer-to-peerassociationswithintheFDDInetwork.ForthepurposesofthispartofISO/IEC9314,referencestotheDLLaremadeintermsoftheMediaAccessControl(MAC)entitywhichisthelowestsublayerofDLL.c)AStationManagement(SMT)standard,thispartofISO/IEC9314,whichprovidesthecontrolnecessaryatthestation(node)leveltomanagetheprocessesunderwayinthevariousFDDIlayerssuchthatastationmayworkcooperativelyasapartofanFDDInetwork.SMTshallprovideservicessuchasconnectionmanagement,stationinsertionandremoval,stationinitialization,configurationmanagement,faultisolationandrecovery,communicationsprotocolforexternalauthority,schedulingpolicies,andcollectionofstatistics.ThedefinitionofSMTascontainedhereinincludesthesetofservicesthatitprovidesfor,andreceivesfrom,theotherentitiesthatarecontainedwithinanode.WithinSMTresidesbothknowledgeoftheuniquenessofthisnodeandthecurrentnetworkstructuretotheextentthatthisnode'sfunctionisaffected.ThesetofInternationalStandardsforFDDI,ISO/IEC9314,specifiestheinterfaces,functionsandoperationsnecessarytoinsureinteroperabilitybetweenconformingFDDIimplementations.ThispartofISO/IEC9314isafunctionaldescription.Conformingimplementationsmayemployanydesigntechniquewhichdoesnotviolateinteroperability.
【中国标准分类号】:L78
【国际标准分类号】:33_180_01;35_110
【页数】:194P;A4
【正文语种】:英语