ISO/IEC 13252-1999 信息技术 增强型通信运输服务定义

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标准号:ISO/IEC 13252-1999
中文标准名称:信息技术 增强型通信运输服务定义
英文标准名称:Information technology - Enhanced communications transport service definition
标准类型:M11
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:M11
适用范围:This Recommendation | International Standard defines in an abstract way the externally visible service provided by the Transport Layer in terms of: a) the primitive actions and events of the service; b) the parameter data associated with each primitive action and event; c) the relationship between, and the valid sequences of, these actions and events. The service defined in this Recommendation | International Standard is that which is provided by the Enhanced Communications Transport Protocol (in conjunction with the Network Service) and which may be used by any application protocol. The service can also be provided by other protocols possibly each supporting a subset of the services defined herein. The primitives specified in this Recommendation | International Standard support a connection-mode service and a connectionless service. In some cases of connectionless-mode service supporting enhanced communications, certain operations may also be necessary prior to the commencement of data transfer, e.g. agreement on quality of service. For the data transfer phase of either connection-mode or connectionless-mode services, there may be a range of data-ordering characteristics. No implication is made in this Recommendation | International Standard regarding the inclusion or exclusion of any of the above characteristics given the service primitives specified herein.

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