【英文标准名称】:Informationtechnology-OpenSystemsInterconnection-TheDirectory:Models
【原文标准名称】:信息技术.开放系统互连.目录:模型
【标准号】:ISO/IEC9594-2-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-12
【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】:定义;开放系统互连;开放系统互连;模型;信息交换;信息技术;人名地址录;网络互连;应用层
【英文主题词】:Applicationlayer;Definitions;Directories;Informationinterchange;Informationtechnology;Models;Networkinterconnection;Opensystemsinterconnection;OSI
【摘要】:ThemodelsdefinedinthisRecommendation|InternationalStandardprovideaconceptualandterminologicalframeworkfortheotherITU-TX.500-seriesRecommendations|partsofISO/IEC9594whichdefinevariousaspectsoftheDirectory.ThefunctionalandadministrativeauthoritymodelsdefinewaysinwhichtheDirectorycanbedistributed,bothfunctionallyandadministratively.GenericDSAandDSAinformationmodelsandanOperationalFrameworkarealsoprovidedtosupportDirectorydistribution.ThegenericDirectoryInformationModelsdescribethelogicalstructureoftheDIBfromtheperspectiveofDirectoryandAdministrativeUsers.Inthesemodels,thefactthattheDirectoryisdistributed,ratherthancentralized,isnotvisible.ThisRecommendation|InternationalStandardprovidesaspecializationofthegenericDirectoryInformationModelstosupportDirectorySchemaadministration.TheotherITU-TRecommendationsintheX.500series|partsofISO/IEC9594makeuseoftheconceptsdefinedinthisRecommendation|InternationalStandardtodefinespecializationsofthegenericinformationandDSAmodelstoprovidespecificinformation,DSAandoperationalmodelssupportingparticulardirectorycapabilities(e.g.Replication):a)theserviceprovidedbytheDirectoryisdescribed(inITU-TRec.X.511|ISO/IEC9594-3)intermsoftheconceptsoftheinformationframework:thisallowstheserviceprovidedtobesomewhatindependentofthephysicaldistributionoftheDIB;b)thedistributedoperationoftheDirectoryisspecified(inITU-TRec.X.518|ISO/IEC9594-4)soastoprovidethatservice,andthereforemaintainthatlogicalinformationstructure,giventhattheDIBisinfacthighlydistributed;c)replicationcapabilitiesofferedbythecomponentpartsoftheDirectorytoimproveoverallDirectoryperformancearespecified(inITU-TRec.X.525|ISO/IEC9594-9).Thesecuritymodelestablishesaframeworkforthespecificationofaccesscontrolmechanisms.ItprovidesamechanismforidentifyingtheaccesscontrolschemeineffectinaparticularportionoftheDIT,anditdefinesthreeflexible,specificaccesscontrolschemeswhicharesuitableforawidevarietyofapplicationsandstylesofuse.Thesecuritymodelalsoprovidesaframeworkforprotectingtheconfidentialityandintegrityofdirectoryoperationsusingmechanismssuchasencryptionanddigitalsignatures.ThismakesuseoftheframeworkforauthenticationdefinedinITU-TRec.X.509|ISO/IEC9594-8aswellasgenericupperlayerssecuritytoolsdefinedinITU-TRec.X.830|ISO/IEC11586-1.DSAmodelsestablishaframeworkforthespecificationoftheoperationofthecomponentsoftheDirectory.Specifically:a)theDirectoryfunctionalmodeldescribeshowtheDirectoryismanifestedasasetofoneormorecomponents,eachbeingaDSA;b)theDirectorydistributionmodeldescribestheprincipalsaccordingtowhichtheDIBentriesandentry-copiesmaybedistributedamongDSAs;c)theDSAinformationmodeldescribesthestructureoftheDirectoryuserandoperationalinformationheldinaDSA;d)theDSAoperationalframeworkdescribesthemeansbywhichthedefinitionofspecificformsofcooperationbetweenDSAstoachieveparticularobjectives(e.g.shadowing)isstructured.
【中国标准分类号】:L79
【国际标准分类号】:35_100_70
【页数】:226P.;A4
【正文语种】:英语
基本信息
标准名称: | 带表千分尺检定规程 |
英文名称: | Verification Regulation of Micrometers with Gauge |
中标分类: |
综合 >>
计量 >>
长度计量 |
ICS分类: |
计量学和测量、物理现象 >>
长度和角度测量
|
替代情况: | JJG 427-1986 |
发布部门: | 国家质量监督检验检疫总局 |
发布日期: | 2004-03-02 |
实施日期: | 2004-09-02 |
首发日期: | |
作废日期: | |
主管部门: | 国家质量监督检验检疫总局 |
提出单位: | 全国几何量工程参量计量技术委员会 |
归口单位: | 全国几何量工程参量计量技术委员会 |
起草单位: | 黑龙江省计量检定测试院、哈尔滨市计量检定测试所、哈尔滨电机厂有限责任公司、吉林省计量科学研究院 |
起草人: | 马 荃、王 利、褚 云 库、马 钟 焕 |
出版社: | 中国计量出版社 |
出版日期: | 2004-05-09 |
页数: | 13页 |
书号: | 155026-1788 |
适用范围
本规程适用于测量上限至l00mm、分度值为0.001m m的带表千分尺的首次检定、后续检定和使用中检验。
前言
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目录
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引用标准
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所属分类: 综合 计量 长度计量 计量学和测量 物理现象 长度和角度测量