【英文标准名称】:Informationtechnology-InternationalstandardizedprofilesFVT2nn-Virtualterminalbasicclass-Registerofcontrolobjecttypedefinitions-FVT211,FVT212-Sequencedandunsequencedapplicationcontrolobjects
【原文标准名称】:信息技术.国际标准化轮廓FVT2nn.虚拟终端基本类型.控制目标类型定义的寄存器.FVT211,FVT212.连续和非连续应用控制目标
【标准号】:BSENISP11185-1-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-02-15
【实施或试行日期】:1996-02-15
【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】:信息交流;目标(信息系统);开放系统互连;计算机间通信;通信规程;数据处理;协议执行一致命题
【英文主题词】:Communicationprocedures;Controlprocedures;Dataobjekt;Dataprocessing;Exchangeformats;Informationexchange;Informationinterchange;Informationtechnology;Networkinterconnection;Profile;Registers;Standardizedprofiles;Virtualterminals
【摘要】:1GeneralTheconceptofProfilesforOSI,andthestructureoftheInternationalStandardizedProfilesthatdocumentthem,aredefinedinISO/IECTR10000-1.SuchProfilesaredividedintoanumberofdifferentclassesandsub-classes.Twooftheseclassescontainsub-classescomprisingfunctionsoftheVirtualTerminalBasicClassServiceandProtocolspecifiedinthebasestandardsISO9040andISO9041.ThesearetheApplicationProfiles(A-Profiles)andtheInterchangeFormatandRepresentationProfiles(F-Profiles).TherelationshipbetweenA-ProfilesandF-Profilesisdescribedin7.3.2ofISO/IECTR10000-1andisasfollows.ApplicationLayerbasestandardsrequire,implicitlyorexplicitly,thestructureofinformationcarriedorreferencedbythemtobespecifiedforeachinstanceofcommunication.ItisthepurposeofF-Profilestospecifysuchinformationstructures.ParticularfunctionalrequirementsmaythenbemetbythecombinationofanA-ProfilewithoneormoreF-Profiles.EstablishmentofaVT-associationinvolvestheselectionbynegotiationofaparticularVirtualTerminalEnvironmentprofile(VTE-profile),andofparticularvaluesforanyargumentsofthatVTE-profile.TheVTE-profilespecification,andpossiblyalsothevaluesofcertainVTE-profilearguments,mayinturnreferencethedefinitionsofVTcontrolobjecttypesandassignmenttypes.TheseVTE-profiles,controlobjecttypesandassignmenttypesarethusinformationstructuresthatrequireexplicitreferencewithintheVTprotocol.Particularinstancesofthesestructuresarefullydefinedwithinthebasestandards,butthebasestandardsalsoprovideforfurtherinstancestobedefinedbyregistration.EachregisteredinstanceconstitutesanF-ProfilewithintheframeworkofISO/IECTR10000.TheVirtualTerminalBasicClassServiceandProtocolmaybeusedtorealiseawiderangeofdistinctfunctions.ParticularfunctionsmayberealisedthroughtheselectionofappropriateVTfunctionalunits,F-ProfilesandotherVTE-profileargumentvalues.ThespecificationoftheselectionrequiredtorealiseaparticularfunctionandtopromoteinteroperabilityconstitutesaVirtualTerminalA-ProfilewithintheframeworkofISO/IECTR10000.ThethreeInternationalRegistersofVTinformationstructuresandthespecificationsofVTApplicationProfilesareeachpublishedasaseparatemulti-partISPasfollows:—ISO/IECISP11184istheRegisterofVTE-profiles;—ISO/IECISP11185istheRegisterofcontrolobjecttypedefinitions;—ISO/IECISP11186istheRegisterofassignment-typedefinitions;—ISO/IECISP11187containsthespecificationsofVTApplicationProfiles.ThispartofISO/IECISP11185containsthedefinitionsoftwocontrolobjecttypesthatmaybeusedtoconveysignalsfordevicecontrolfromanapplicationtoaterminal.OneisusedtoconveythesesignalsinsequencewithotherdataTheotherisusedtoconveythesesignalsurgentlywhenthereisnorequirementtomaintainasequenceorderwithotherdata.2PositionwithinthetaxonomyThetaxonomyofInternationalStandardizedProfilesforOSIislaiddowninISO/IECTR10000-2.Withintheclassificationschemeofthistaxonomy,theOSIProfilesspecifiedinthisInternationalStandardizedProfileareintheVirtualTerminalRegisteredObjectsub-classoftheclassofInterchangeFormatandRepresentationProfiles.AProfilewithinthissubclasshasaProfileidentifieroftheformFVTabc,whereabcisastructurednumericalidentifierthatidentifiesthepositionoftheProfilewithineachofthethreelevelsofsubdivisionofthesubclass.Thevaluesofaandbaresingledigitsbutcisanintegerthatisnotnecessarilyasingledigit.InprincipletheISOVirtualTerminalmodelallowsformultipleclassesofoperation,althoughatthetimeofpublicationofthisInternationalStandardizedProfileonlytheBasicClasshasbeendefined.Thevalueofthe
【中国标准分类号】:L63
【国际标准分类号】:35_100_05
【页数】:20P;A4
【正文语种】:英语