在宽带互联网领域，流媒体分发技术取得长足的进步。
The streaming media technology has achieved great progress in the current Internet.
从而确认了所要解决的主要问题及部署实施P 2 P流媒体分发方案带来的困难所在。
Therefore the major problems to be solved in order to design and deploy a P2P solution for stream delivery are confirmed.
本发明实施例公开了一种虚拟专有组播业务中流媒体分发的方法、装置及系统，属于通信领域。
The embodiment of the invention discloses a method for streaming media distribution in virtual special multicasting service, a device and a system thereof, which belong to communication field.
摘要：文中检测并对比了基于多重描述编码(慨)的流媒体在对等网(P 2 P)和内容分发网络(CDN)中的性能。
Absrtact: Examine and compare the performance of media streaming based on multiple description coding (MDC) in peer - to - peer (P2P) and content delivery network (CDN).
互联网是CDN所处的环境，互联网网络环境的性能决定着CDN是否能够高效的满足内容提供者和内容使用者对流媒体直播分发服务的要求。
Internet is the working environment of CDN, and the performance of Internet decides whether CDN could meet the demands of live streaming service by both the content providers and the consumers.
互联网是CDN所处的环境，互联网网络环境的性能决定着CDN是否能够高效的满足内容提供者和内容使用者对流媒体直播分发服务的要求。
Internet is the working environment of CDN, and the performance of Internet decides whether CDN could meet the demands of live streaming service by both the content providers and the consumers.
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