标准摘要
[中文适用范围]： 指定 ITU-T Rec. 定义的协议所采用的底层服务的方式。 X.233 ISO/IEC 8473-1 由符合 ITU-T 建议 X.25 的子网通过子网相关收敛功能 (SNDCF) 的操作提供，如 ISO/IEC 8648 中所述。 还提供了 PICS 形式本议定书，符合相关要求并按照相关指南。 [外文原描述]： Specifies the way in which the underlying service assumed by the protocol defined by ITU-T Rec. X.233 ISO/IEC 8473-1 is provided by a subnetwork that conforms to ITU-T Recommendation X.25 through the operation of a Subnetwork Dependent Convergence Function (SNDCF) as described in ISO/IEC 8648. Also provides the PICS proforma for this protocol, in compliance with the relevant requirements and in accordance with the relevant guidance.
英文名称Information technology - Protocol for providing the connectionless-mode network service: Provision of the underlying service by an X.25 subnetwork