ANSI INCITS131-1994 信息系统.小型计算机系统接口2(SCSI-2)
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【英文标准名称】:InformationSystems-SmallComputerSystemsInterface-2(SCSI-2)
【原文标准名称】:信息系统.小型计算机系统接口2(SCSI-2)
【标准号】:ANSIINCITS131-1994
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数据处理;数据率;数据传送;定义;主机系统;信息交换;信息处理;信息系统;信息技术;接口;接口(数据处理);微型计算机;网络互连;物理性能
【英文主题词】:Dataprocessing;Datarates;Datatransfer;Definition;Definitions;Hostsystems;Informationinterchange;Informationprocessing;Informationsystems;Informationtechnology;Interfaces;Interfaces(dataprocessing);Minicomputer;Networkinterconnection;Physicalproperties
【摘要】:Definesaninput/outputbusforinterconnectingcomutersandperipheraldevices.ItdefinesextensionstotheSmallComputerSystemInterface(ISO9316:1989),referredtohereinasSCSI-1.Italsoprovidesmorecompletestandardizationoftheprevisoulsydefinedcommandsets.Itincludesthenecessaryspecificationofthemechnancial,electrical,andfunctionalcharacteresticsoftheinterfacetoallowinteroperabilityofconformingdevices.ThisstandardisreferredhereinasSCSI-2.Theterm,SCSI,isusedwhereveritisnotnecessarytodistinguishbetweenthetwoversions.
【中国标准分类号】:L65
【国际标准分类号】:35_200
【页数】:463P;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-Opensystemsinterconnection-Securityframeworksforopensystems-Non-repudiationframework
【原文标准名称】:信息技术.开放系统互连.开放系统用安全帧.非废弃帧
【标准号】:BSISO/IEC10181-4-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-09-15
【实施或试行日期】:1997-09-15
【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】:通信规程;验证;算法;开放系统互连;计算机间通信;目标(信息系统);数据存储保护;数据传输;数据处理;数据传送;信息交流;数据安全
【英文主题词】:Communicationprocesses;Dataprocessing;Guidelines;Informationinterchange;Informationtechnology;Networkinterconnection;Opensystemsinterconnection;OSI;Safety
【摘要】:ThisRecommendation|InternationalStandardaddressestheapplicationofsecurityservicesinanOpenSystemsenvironment,wheretheterm"OpenSystems"istakentoincludeareassuchasDatabase,DistributedApplications,OpenDistributedProcessingandOSI.TheSecurityFrameworksareconcernedwithdefiningthemeansofprovidingprotectionforsystemsandobjectswithinsystems,andwiththeinteractionsbetweensystems.TheSecurityFrameworksarenotconcernedwiththemethodologyforconstructingsystemsormechanisms.TheSecurityFrameworksaddressbothdataelementsandsequencesofoperations(butnotprotocolelements)whichareusedtoobtainspecificsecurityservices.Thesesecurityservicesmayapplytothecommunicatingentitiesofsystemsaswellastodataexchangedbetweensystems,andtodatamanagedbysystems.ThisRecommendation|InternationalStandard:-definesthebasicconceptsofNon-repudiation;-definesgeneralNon-repudiationservices;-identifiespossiblemechanismstoprovidetheNon-repudiationservices;-identifiesgeneralmanagementrequirementsforNon-repudiationservicesandmechanisms.Aswithothersecurityservices,Non-repudiationcanonlybeprovidedwithinthecontextofadefinedsecuritypolicyforaparticularapplication.ThedefinitionsofsecuritypoliciesareoutsidethescopeofthisRecommendation|InternationalStandard.ThescopeofthisRecommendation|InternationalStandarddoesnotincludespecificationofdetailsoftheprotocolexchangeswhichneedtobeperformedinordertoachieveNon-repudiation.ThisRecommendation|InternationalStandarddoesnotdescribeindetailtheparticularmechanismsthatcanbeusedtosupporttheNon-repudiationservicesnordoesitgivedetailsofthesupportingsecuritymanagementservicesandprotocols.Someoftheproceduresdescribedinthisframeworkachievesecuritybytheapplicationofcryptographictechniques.Thisframeworkisnotdependentontheuseofaparticularcryptographicorotheralgorithmoronparticularcryptographictechniques(i.e.symmetricorasymmetric)althoughcertainclassesofNon-repudiationmechanismsmaydependonparticularalgorithmproperties.Indeeditislikely,inpractice,thatanumberofdifferentalgorithmswillbeused.Twoentitieswishingtousecryptographically-protecteddatamustsupportthesamecryptographicalgorithm.[|NOTE-AlthoughISOdoesnotstandardizecryptographicalgorithms,itdoesstandardizetheproceduresusedtoregistertheminISO/IEC9979.]Anumberofdifferenttypesofstandardcanusethisframeworkincluding:1)standardsthatincorporatetheconceptofNon-repudiation;2)standardsthatspecifyabstractservicesthatincludeNon-repudiation;3)standardsthatspecifyusesofaNon-repudiationservice;4)standardsthatspecifythemeansofprovidingNon-repudiationwithinanopensystemarchitecture;and5)standardsthatspecifyNon-repudiationmechanisms.Suchstandardscanusethisframeworkasfollows:-standardsoftype1),2),3),4)or5)canusetheterminologyofthisframework;-standardsoftype2),3),4)or5)canusethefacilitiesdefinedinclause7;and-standardsoftype5)canbebasedupontheclassesofmechanismdefinedinclause8.
【中国标准分类号】:L79
【国际标准分类号】:35_100_01
【页数】:32P.;A4
【正文语种】:英语
【英文标准名称】:Plastics;acrylonitrile/butadiene/styrene(ABS)mouldingandextrusionmaterials;part1:designation
【原文标准名称】:塑料.丙烯腈-丁二烯-苯乙烯共聚物(ABS)的模塑和挤塑材料.第1部分:命名
【标准号】:ISO2580-1-1990
【标准状态】:作废
【国别】:国际
【发布日期】:1990-10
【实施或试行日期】:1990-10-15
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;丙烯腈-丁二烯-苯乙烯共聚物;挤压;模制材料;塑料;热塑性聚合物
【英文主题词】:acrylonitrilebutadienestyrene;thermoplasticpolymers;mouldings(shapedsection);plastics;designations;extruding;mouldingmaterials
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:6870;6860
【页数】:5P;A4
【正文语种】:英语
