区分服务Diffserv在高性能路由器中的实现

区分服务Diffserv 在QOS 网络体系结构越来越受到广泛的应用，它具有很强的扩展
性。本文给出了一种高性能路由器中支持Diffserv 的实现方案。重点介绍了数据包分类机
构和流量控制机构的实现。该实现方案在国家863 项目“可扩展到T 比特的高性能IPv4/v6路由器基础平台及实验系统”上测试已通过，并取得了较好的结果。
关键词：Diffserv，路由器，优先级，调度
An implementation of diffserv in hign performance router Liu Peng，Zhao Junpeng，Qu Jing
(National Digital Switching System Engineering & Technological R&D Center, Henan, Zhengzhou 450002) E-mail : lpeng@mail.ndsc.com.cn Office telephone : 86 – 0371 – 3532758
Abstract –Differnetiated Service Diffserv is becoming very popular in designing QOS network:it has strong expansibility.This paper introduces an implementation of diffserv in hign performance router,presents the architecture of packet marking and traffic-control. The method passes through the country’s 863 project testing on
" Tbit router ", and the result is satisfying.
Key words: Diffserv，router, priority, scheduling