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P2P is a technology of the server cluster , it can not only solve the outlet bandwidth of the terminal nodes of the network , the problem of delay between the source to the terminal node , and fully take into account the bandwidth of the data transmission between nodes . P2P entire streaming media data transmission system performance while streaming media data distribution to each user , the nearest access , more suitable for the ultra-large-scale online user groups on demand . Therefore, the combination of P2P and CDN, Pearl River Networks, Inc. has developed a streaming media on-demand system . First, to discuss the current situation and problems facing demand system the QQLive products on-demand system , as well as the Pearl River Network , clear the need for development based on the P2P peer network streaming media on-demand system . On this basis , to discuss Pearl River Network on-demand streaming system , and then analyze the Pearl River Network on-demand streaming system architecture and the use of a modular approach , client , network transmission , data storage , servers achieve core sub- system detailed design , analysis and selection of films algorithms , streaming scheduling algorithm algorithm , which based P2P focus on the construction of structural overlay network algorithm , the client and server integration and achieve , the final analysis of the the Pearl River network -on-demand system application in QQLive product demand system .
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