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由于目前的视频点播系统的播放质量并不能令人满意,主要原因在于传统的基于单播的传输方式很容易导致服务器端的性能瓶颈,并不能有效的支持媒体的大规模数据分发,于是提出利用P2P技术将集中的服务分散化而形成负载均衡和播放质量有保障的分布式系统,可以很好地解决这个瓶颈。研究结果证明P2P媒体系统是可以很好地解决在传统C/S模式下进行媒体点播的问题,从而实现在网络上进行大规模媒体文件的点播。
Due to the unsatisfactory playback quality of the current video-on-demand system, the main reason is that the traditional unicast-based transmission method can easily cause performance bottlenecks on the server side and can not effectively support large-scale data distribution of the media. Therefore, Technology will focus on the service decentralized to form a balanced load and play quality distributed system can be a good solution to this bottleneck. The research results prove that P2P media system can solve the problem of media on demand in the traditional C / S mode, and realize the on-demand of large-scale media files on the network.