ISO/IEC 11574-2000 信息技术系统间远程通信和信息交换专用综合业务网电路方式64kbit/s承载服务服务描述、功能能力和信息流
时间:2024-05-14 20:19:36 来源: 标准资料网 作者：标准资料网 阅读：8380
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-PrivateIntegratedServicesNetwork-Circuit-mode64kbit/sbearerservices-Servicedescription,functionalcapabilitiesandinformationflows
【原文标准名称】:信息技术系统间远程通信和信息交换专用综合业务网电路方式64kbit/s承载服务服务描述、功能能力和信息流
【标准号】:ISO/IEC11574-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-03
【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;网络层;综合业务数字网;通信网;电信服务;服务定义;信息交换;信息流;电信;信息技术;数据处理;传输;电路转换;传播方式;私人网络;系统;分配;专业综合服务网
【英文主题词】:Circuit-switching;Communicationnetworks;Communicationprocesses;Communicationservice;Dataprocessing;Definitions;Distribution;Informationflow;Informationinterchange;Informationtechnology;ISDN;Networklayers;PISN;Privatenetworks;Servicedefinition;Stagingfunctions;Systems;Telecommunications;Transmission
【摘要】:ThisInternationalStandardspecifiestheservicedescriptionandcontrolaspects,includingfunctionalcapabilitiesandinformationflows,ofstandardisedcircuit-modebearerserviceswhichmaybesupportedbyaPrivateIntegratedServicesNetwork(PISN).ThisInternationalStandardincludesthefollowingbasicservices:·Circuit-mode64kbit/sunrestricted8kHzstructuredbearerservicecategory;·Circuit-mode64kbit/s8kHzstructuredbearerservicecategoryusableforspeechinformationtransfer;·Circuit-mode64kbit/s8kHzstructuredbearerservicecategoryusablefor3,1kHzaudioinformationtransfer.APISNshallsupportatleastoneoftheabovethreebearerservicestoconformwiththisInternationalStandard.ThescopeofthisInternationalStandarddoesnotinclude:·thenegotiationofserviceatcallestablishmenttime,·thechangeofserviceduringacall,and·unidirectionalservices.ThisInternationalStandardincludesoptionalproceduresfortheprovisionoffunctionsequivalenttothefollowingpublicISDNsupplementaryservices:SubaddressandMultipleSubscriberNumber.NOTE1-Supplementaryservicesandotherbearerserviceswhichcanbeusedinconjunctionwith64kbit/scircuitswitchedbearerservicesspecifiedinthisInternationalStandardaredealtwithinotherstandards.NOTE2-ServicespecificationsarebasedoninformationconcerningthecorrespondingpublicISDNserviceavailableatthetimeofpublicationofthisInternationalStandard.NOTE3-ITU-TtreatSubaddressingandMultipleSubscriberNumberassupplementaryservices.NOTE4-TheuseoftheDirectDialInsupplementaryserviceofapublicISDNforcallsincomingtoaPISNfromapublicISDNisregardedaspartofthebasicservicesinaPISN.NOTE5-TheuseoftheCallingLineIdentificationPresentationandConnectedLineIdentificationPresentationsupplementaryservicesotipublicISDNforobtainingtheOriginatingNumberortheConnectedNumberofacallfromortoapublicISDNisregardedaspartofthebasicservicesinaPISN.NOTE6-Theprovision(eitherexplicitlyorimplicitly)bytheusertothenetwork,ofitsownnumber(OriginatingNumberorConnectedNumber),andtheprovisionofanOriginatingNumberoraConnectedNumberbyaPISNtoanothernetworkisapartofthebasicservicesinaPISNandnotapartoftheCallingLineIdentificationPresentationandConnectedLineIdentificationPresentationsupplementaryservices.ThosesupplementaryservicesareconcernedonlywiththepresentationofthenumberfromthenetworktotheservedPISNuser.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35
【页数】:87P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-Frameworkforprotocolidentificationandencapsulation
【原文标准名称】:信息技术协议标识和封装的框架
【标准号】:ISO/IEC14765-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-06
【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】:协议;网络互连;信息交换;开放系统互连;信息技术;电信;定义;数据处理;识别方法;数据链层
【英文主题词】:Datalinklayers;Dataprocessing;Definition;Definitions;Identificationmethod;Informationinterchange;Informationtechnology;Networkinterconnection;OSI;Protocols;Telecommunications
【摘要】:Inalayeredapproachtoprotocolarchitecture,protocolshavearelationshiptooneanothersuchthataprotocolatlayer(n)usestheservicesofthelayerbelowit-the(n-1)services-which,inturn,areprovidedbyalayer(n-1)protocol.Oneoftheservicesusedbyalayer(n)protocolistheencapsulationofits(n)ProtocolDataUnits(PDUs)inawaywhichistransparenttoit.Suchencapsulationisrealizedbythecarriageofthe(n)PDUsasuserdatainan(n-1)ServiceDataUnit(SDU).Inalimitedcase,theoperationofaparticularprotocolatlayer(n-1)impliestheoperation,abovelayer(n-1),ofasinglelayer(n)protocolorsinglesetofrelated(n)/(n+1)...protocols.However,inamoregeneralcase,theremaybemorethanoneprotocol(orsetofrelatedprotocolsstarting)atlayer(n)thatcanoperateabovelayer(n-1)inagivenenvironment.Insuchcases,thereisaneedforexplicitidentificationoftheprotocol(orsetofprotocolsstarting)atlayer(n).Therealsomaybeaneedtomanipulatethe(n-1)protocol(i.e.theencapsulatingprotocol)incertainwaysspecifictothelayer(n)protocol(i.e.theencapsulatedprotocol).Suchmanipulationsformthebasisofasetofproceduresthatmustbespecifiedforthelayer(n)protocol.Theaboveobservationsregardingprotocolidentificationandencapsulationarealsoapplicableincaseswherean(n)layerisfurtherdividedintosublayers.Casesinwhichan(n)protocoloperatesforthepurposeofestablishingaparalleluniverseofprotocols(regardlessofthelayeredstructureofthatuniverse)alsogiverisetoaneedforthe(n)protocoltobeabletoidentifytheprotocol(s)intheparalleluniverse.Inthesecases,however,thereisnoencapsulating/encapsulatedrelationshipbetweenthe(n)protocolandtheparalleluniversesetofprotocols.Theaboveprinciplesleadtoaneedtoestablishaframeworkforprotocolidentificationandencapsulation.Theseprinciplesapplytotherelationshipbetweentwoprotocols(recognizingthatoneofthemmaybeasetofrelatedprotocols)andcanbeappliedrecursively.ThisRecommendation|InternationalStandardprovidesaframeworkforexplicitprotocolidentificationandforprotocolencapsulation.Implicitprotocolidentification(see4.2)isbeyondthescopeofthisRecommendation|InternationalStandard.
【中国标准分类号】:M11
【国际标准分类号】:35_100_01
【页数】:19P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforIrradiationofInsectsforSterileReleasePrograms
【原文标准名称】:无菌释放计划用昆虫辐照的标准指南
【标准号】:ASTME1940-1998
【标准状态】:作废
【国别】:
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E10.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:铯-137;辐照;吸收剂量;电子加速器;X射线;辐射;剂量测定;电离辐射;昆虫尾部;辐照特性;寄生物样尾部;无菌昆虫技术;生物控制;COLBALT-60;γ;昆虫辐射;剂量仪
【英文主题词】:absorbed-does;biologicalcontrol;cesium-137;colbalt-60;electronaccelerator;dosimeter;dosimetry;gamma;insectirradiation;insectrearing;ionizingradiation;irradiation;irradiatorcharacterization;parasitoidrearing;radiation;sterileinsectt
【摘要】:1.1Thisguideoutlinesdosimetricprocedurestobefollowedfortheradiationsterilizationofliveinsectsforuseinpestmanagementprograms.Theprimaryuseofirradiated,reproductivelysterileinsectsisintheSterileInsectTechnique,wherel
【中国标准分类号】:C04
【国际标准分类号】:07_080;17_240
【页数】:11P.;A4
【正文语种】: