ISO/IEC 15954:1999 信息技术 开放系统互连 应用服务对象联合控制服务元的接触模协议

标准编号：ISO/IEC 15954:1999

中文名称：信息技术 开放系统互连 应用服务对象联合控制服务元的接触模协议

英文名称：Information technology — Open Systems Interconnection — Connection-mode protocol for the Application Service Object Association Control Service Element

发布日期：1999-12

标准范围

ACSE支持两种通信模式:连接模式和无连接模式。ACSE服务定义（参见ITU-T Rec.X.217之二ISO/IEC 15953）包括两种通信模式。本建议国际标准只包括通信的连接方式。本建议国际无连接通信模式的标准包含在ITU-T Rec中。X.237至ISO/IEC 15955。本建议国际标准定义了适用于通信实例的程序在希望以连接模式在开放系统互连环境中互连的系统之间。这个推荐国际标准包括用于建立和发布的内核功能单元ASO协会。认证功能单元提供了用于在支持关联建立期间的身份验证，无需添加新服务。ACSE身份验证设施可用于支持有限类别的身份验证方法。ASO上下文协商功能单元为接收者提供了从发起者提供的列表中选择ASO上下文的附加工具协会成立。可选的更高级关联功能单元提供设施来识别ASO关联，并透明地将数据传递给子ASO，并允许ASO上下文或表示上下文在在关联的生命周期内要修改的ASO关联。本推荐性国际标准规定:a)ASO关联控制和ASO认证的信息传输程序和应用程序实体；和b)用于ACSE APDU的表示的抽象语法。ACSE程序的定义如下:a)通过使用表示服务或支持ACSE服务；和b)ACSE协议机器与其服务用户之间的交互。本推荐国际标准还规定了实现这些的系统的一致性要求程序。它不包含可用于证明一致性的测试。

The ACSE supports two modes of communication: connection-mode and connectionless-mode. The ACSE servicedefinition (see ITU-T Rec. X.217 bis | ISO/IEC 15953) includes both modes of communication. This Recommendation |International Standard only includes the connection mode of communication. This Recommendation | InternationalStandard for the connectionless mode of communication is contained in ITU-T Rec. X.237 bis | ISO/IEC 15955.This Recommendation | International Standard defines procedures that are applicable to instances of communicationbetween systems which wish to interconnect in an open systems interconnection environment in a connection mode. ThisRecommendation | International Standard includes the Kernel functional unit that is used to establish and releaseASO-associations. The Authentication functional unit provides additional facilities for exchanging information insupport of authentication during association establishment without adding new services. The ACSE authenticationfacilities can be used to support a limited class of authentication methods. The ASO-context negotiation functional unitprovides the additional facility for the recipient to select the ASO-context from a list offered by the initiator duringassociation establishment. The optional Higher Level Association functional unit provides for the facility to identifyASO-associations and transparently pass data to child ASOs and allows the ASO-context or the presentation context onan ASO-association to be modified during the lifetime of the association.This Recommendation | International Standard specifies:a) procedures for the transfer of information for ASO-association control and the authentication of ASOsand application-entities; andb) the abstract syntax for the representation of the ACSE APDUs.The ACSE procedures are defined in terms of:a) the interactions among peer ACSE protocol machines through the use of Presentation services orsupporting ACSE services; andb) the interaction between an ACSE protocol machine and its service-user.This Recommendation | International Standard also specifies conformance requirements for systems implementing theseprocedures. It does not contain tests which can be used to demonstrate conformance.

标准预览图