BS ISO/IEC 9594-1-1995 信息技术.开式式系统互连.概念、模型和服务综述
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【英文标准名称】:Informationtechnology-Opensystemsinterconnection-Overviewofconcepts,modelsandservices
【原文标准名称】:信息技术.开式式系统互连.概念、模型和服务综述
【标准号】:BSISO/IEC9594-1-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1997-03-15
【实施或试行日期】:1997-03-15
【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】:应用层(开放系统互连);验证;通信规程;信息交流;计算机网络;数据传送;协议;通信网;数据传输;开放系统互连;(OSI)指南;指南(OSI);情报系统;数据处理
【英文主题词】:Applicationlayer;Communicationservice;Dataprocessing;Directories;Informationinterchange;Informationtechnology;Networkinterconnection;Opensystemsinterconnection;OSI
【摘要】:TheDirectoryprovidesthedirectorycapabilitiesrequiredbyOSIapplications,OSImanagementprocesses,otherOSIlayerentities,andtelecommunicationsservices.Amongthecapabilitieswhichitprovidesarethoseof"user-friendlynaming",wherebyobjectscanbereferredtobynameswhicharesuitableforcitingbyhumanusers(thoughnotallobjectsneedhaveuser-friendlynames);and"name-to-addressmapping"whichallowsthebindingbetweenobjectsandtheirlocationstobedynamic.ThelattercapabilityallowsOSInetworks,forexample,tobe"self-configuring"inthesensethataddition,removalandthechangesofobjectlocationdonotaffectOSInetworkoperation.TheDirectoryisnotintendedtobeageneral-purposedatabasesystem,althoughitmaybebuiltonsuchsystems.Itisassumed,forinstance,that,asistypicalwithcommunicationsdirectories,thereisaconsiderablyhigherfrequencyof"queries"thanofupdates.Therateofupdatesisexpectedtobegovernedbythedynamicsofpeopleandorganizations,ratherthan,forexample,thedynamicsofnetworks.Thereisalsononeedforinstantaneousglobalcommitmentofupdates;transientconditionswherebotholdandnewversionsofthesameinformationareavailable,arequiteacceptable.ItisacharacteristicoftheDirectorythat,exceptasaconsequenceofdifferingaccessrightsorunpropagatedupdates,theresultsofdirectoryquerieswillnotbedependentontheidentityorlocationoftheinquirer.ThischaracteristicrenderstheDirectoryunsuitableforsometelecommunicationsapplications,forexamplesometypesofrouting.
【中国标准分类号】:L79
【国际标准分类号】:35_100_01;35_100_70
【页数】:28P.;A4
【正文语种】:英语
【原文标准名称】:信息技术.开式式系统互连.概念、模型和服务综述
【标准号】:BSISO/IEC9594-1-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1997-03-15
【实施或试行日期】:1997-03-15
【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】:应用层(开放系统互连);验证;通信规程;信息交流;计算机网络;数据传送;协议;通信网;数据传输;开放系统互连;(OSI)指南;指南(OSI);情报系统;数据处理
【英文主题词】:Applicationlayer;Communicationservice;Dataprocessing;Directories;Informationinterchange;Informationtechnology;Networkinterconnection;Opensystemsinterconnection;OSI
【摘要】:TheDirectoryprovidesthedirectorycapabilitiesrequiredbyOSIapplications,OSImanagementprocesses,otherOSIlayerentities,andtelecommunicationsservices.Amongthecapabilitieswhichitprovidesarethoseof"user-friendlynaming",wherebyobjectscanbereferredtobynameswhicharesuitableforcitingbyhumanusers(thoughnotallobjectsneedhaveuser-friendlynames);and"name-to-addressmapping"whichallowsthebindingbetweenobjectsandtheirlocationstobedynamic.ThelattercapabilityallowsOSInetworks,forexample,tobe"self-configuring"inthesensethataddition,removalandthechangesofobjectlocationdonotaffectOSInetworkoperation.TheDirectoryisnotintendedtobeageneral-purposedatabasesystem,althoughitmaybebuiltonsuchsystems.Itisassumed,forinstance,that,asistypicalwithcommunicationsdirectories,thereisaconsiderablyhigherfrequencyof"queries"thanofupdates.Therateofupdatesisexpectedtobegovernedbythedynamicsofpeopleandorganizations,ratherthan,forexample,thedynamicsofnetworks.Thereisalsononeedforinstantaneousglobalcommitmentofupdates;transientconditionswherebotholdandnewversionsofthesameinformationareavailable,arequiteacceptable.ItisacharacteristicoftheDirectorythat,exceptasaconsequenceofdifferingaccessrightsorunpropagatedupdates,theresultsofdirectoryquerieswillnotbedependentontheidentityorlocationoftheinquirer.ThischaracteristicrenderstheDirectoryunsuitableforsometelecommunicationsapplications,forexamplesometypesofrouting.
【中国标准分类号】:L79
【国际标准分类号】:35_100_01;35_100_70
【页数】:28P.;A4
【正文语种】:英语
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