为使用户在视频点播过程中获得快速、稳定的流媒体数据,在分析各种P2P网络结构特点的基础上,提出了基于P2P的多源视频点播系统设计方案.讨论了该方案的系统结构及工作原理,重点介绍了拓扑树的创建和维护、源服务器资源创建策略等关键技术,并对系统的性能进行测试,结果表明系统具有较好的高效性、稳定性和延迟性.%To enable users to acquire fast, reliable streaming media data in the video on demand, the different structure characteristics of P2P network are analyzed, and the design of multi-server video on demand system based on P2P is presented. Then, the system structure and working principle, and some main technologies, such as the routing tree' s design, maintain and creating strategy of the source server resources are discussed. Finally, the performance test result of the whole system shows that it has better efficiency, stability and delayed.
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