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【英文标准名称】: Information technology - Telecommunications and information exchange between systems - Application session services 【原文标准名称】: 信息技术.系统间远程通信和信息交换.应用会话服务 【标准号】: ISO/IEC 22534-2005 【标准状态】: 现行 【国别】: 国际 【发布日期】: 2005-05 【实施或试行日期】: 【发布单位】: 国际标准化组织(ISO)【起草单位】: ISO/IEC JTC 1/SC 6【标准类型】: ()【标准水平】: ()【中文主题词】: 信息交换;XML;数据处理;信息处理;电信;应用层;应用软件;数据处理系统;ASN.1【英文主题词】: xml;asn.1;information processing;information interchange;application software;data processing system;application layer;telecommunications;data processing;extensible markup language【摘要】: The services defined in this International Standard are used to establish and maintain a relationship between an application and a server for the purpose of exchanging application messages. For the purpose of this International Standard this relationship is called an application session.Application protocols, such as ECMA-323, require that an application session is established before application messages are exchanged. ECMA-269 specifies several mechanisms for establishing an application context. One possible mechanism is ACSE (ISO/IEC 8649) - but since ASCE uses ASN.1 encoding for its services, it is not desirable for use with XML based protocols such as ECMA-323.This International Standard provides an XML-based alternative for establishing application sessions.1 OverviewThe Ecma Application Session Services consist of the following services:· Start Application Session. This service is used by an application to establish an application session with a server. A globally unique sessionID is returned by the server in the response message. The sessionID is used in other services to address the session as long as the session exists.· Stop Application Session. This service is used by an application to stop an application session.· Reset Application Session Timer. This service is used by an application to reset the timer associated with an application session. If the application timer is not reset before it expires, the application session will be terminated.· Application Session Terminated - This service is used by the server to indicate that the application session has been abnormally terminated (i.e. not via the Stop Application Session service).2 Template DescriptionThe services specified in Clause 4 include tables that contain the following columns:· Parameter Name - the name that is used to reference the parameter. This corresponds to the XML element name specified in Clause 5.· Type - the format of the parameter. This corresponds to the XML element type used in the XML schema definition in Clause 5.· M/O - the Mandatory/Optional aspect of the parameter. Mandatory parameters must be included in the corresponding XML instance document while optional parameters may be omitted.· Description - Describes the purpose of the parameter.【中国标准分类号】: M11【国际标准分类号】: 35_040【页数】: 19P;A4【正文语种】: 英语
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