取消并替换第一版（1990年）。定义终端系统和子网地址解析实体之间以及中间系统和子网地址解析实体之间路由信息交换的协议。适用于:根据ISO/IEC 8878主体运行的终端系统，以提供和支持使用ISO/IEC 8208的OSI连接模式网络服务；运行ISO/IEC 8208的子网地址解析实体；运行ISO/IEC 8208的中间系统。

Cancels and replaces the first edition (1990). Defines a protocol for the exchange of routeing information between an End System and a Subnetwork Address Resolution Entity, and between an Intermediate System and a Subnetwork Address Resolution Entity. Applicable to: End Systems which operate according to the main body of ISO/IEC 8878 to provide and support the OSI Connection-mode Network Service using ISO/IEC 8208; Subnetwork Address Resolution Entities which operate ISO/IEC 8208; Intermediate Systems which operate ISO/IEC 8208.