ANSI/INCITS/ISO/IEC 18028-2-2008 信息技术.安全技术.IT网络安全.第2部分:网络安全体系结构
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【英文标准名称】:Informationtechnology-Securitytechniques-ITnetworksecurity-Part2:Networksecurityarchitecture
【原文标准名称】:信息技术.安全技术.IT网络安全.第2部分:网络安全体系结构
【标准号】:ANSI/INCITS/ISO/IEC18028-2-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:通路;基础;电路网络;通信技术;数据处理;数据保护;数据安全;数据传送;定义;信息交换;信息处理;信息技术;局部地区网络;终端装置
【英文主题词】:Access;Basis;Circuitnetworks;Communicationtechnology;Dataprocessing;Dataprotection;Datasecurity;Datatransfer;Definition;Definitions;Informationinterchange;Informationprocessing;Informationtechnology;LAN;Terminaldevices
【摘要】:ISO/IEC18028-2:2006definesanetworksecurityarchitectureforprovidingend-to-endnetworksecurity.Thearchitecturecanbeappliedtovariouskindsofnetworkswhereend-to-endsecurityisaconcernandindependentlyofthenetwork'sunderlyingtechnology.TheobjectiveofISO/IEC18028-2:2006istoserveasafoundationfordevelopingthedetailedrecommendationsfortheend-to-endnetworksecurity.
【中国标准分类号】:L70;M11
【国际标准分类号】:35_040
【页数】:
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Applicationlayerservicedefinition-Type8elements
【原文标准名称】:工业通信网络.数据总线规范.应用层设备定义.8型元件
【标准号】:BSEN61158-5-8-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-06-30
【实施或试行日期】:2008-06-30
【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;应用;总线系统;总线;电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据传输线;数据连接系统;数据网络;数据处理;数据设备;数据传送;数据传输控制规程;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);开放系统互连;操作技术;过程控制工程;设备;规范;规范(验收);传输媒质
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia
【摘要】:Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType8fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType8fieldbusapplicationlayerintermsofa)anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseoftheFALservice,b)theprimitiveactionsandeventsoftheservice;c)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andd)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto1)theFALuserattheboundarybetweentheuserandtheapplicationlayerofthefieldbusreferencemodel,and2)SystemsManagementattheboundarybetweentheapplicationlayerandSystemsManagementofthefieldbusreferencemodel.ThisstandardspecifiesthestructureandservicesoftheType8fieldbusapplicationlayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIapplicationlayerstructure(ISO/IEC9545).Theprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualapplicationlayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofapplicationlayerprotocolsfortimecriticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofservicesstandardizedasthevariousTypesofIEC61158,andthecorrespondingprotocolsstandardizedinsubpartsofIEC61158-6.Thisspecificationmaybeusedasthebasisforformalapplicationprogramminginterfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.
【中国标准分类号】:M11
【国际标准分类号】:35_100_70;35_160;35_240_50
【页数】:96P.;A4
【正文语种】:英语
【英文标准名称】:Drillingscrewswithtappingscrewthread.Mechanicalandfunctionalproperties.
【原文标准名称】:自钻自攻螺钉.机械和功能性能
【标准号】:NFE25-855-1999
【标准状态】:现行
【国别】:法国
【发布日期】:1999-10-01
【实施或试行日期】:1999-10-30
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:机械性能;螺纹;试验;尺寸;钢板制零件;自攻螺钉;机械试验;螺钉;薄板材;特性;规范(验收);材料;紧固件;自攻丝螺钉;功能可靠性
【英文主题词】:
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:11P;A4
【正文语种】:其他
