摘要： 网络拥塞是影响Internet视频通信质量的一个重要因素。该文分析了单播和组播 中视频传输的各种拥塞控制策略，并对各种拥塞控制策略的带宽利用率和服务灵活性进行了 比较，对提高Internet视频传输的质量有一定的意义。

关键词: Internet, 拥塞控制, 视频, 单播, 组播, RTP

Abstract: Network congestion is an important point for the video communication application. This paper analyses several congestion control methods of video t ransport for the unicast and multicast. It also compares the bandwidth efficienc y and service flexibility of these congestion control methods. These works are q uite significant for video communication.

中图分类号: 

• TP393