IP网络作为全球性信息网络Internet的基础,己经成为网络技术的主流。迅速增长的多媒体综合通信业务,特别是近年来的视频及音频业务的出现对传统的IP协议及IP路由器提出了新的要求,如果要支持这些新业务,需要IP提供相应的QoS(Quality-of-Service)技术解决以上问题。 IP network, as the foundation of global information network Internet, has become the mainstream of network technology. The rapid growth of multimedia integrated communications services, especially in recent years, the emergence of video and audio services on the traditional IP protocol and IP routers put forward new requirements, if you want to support these new services, you need IP to provide the appropriate QoS (Quality-of -Service) technology to solve the above problem.