By decomposing the Peer-to-Peer based Video-on-Demand systems (VoD/P2P) storage process into key modules, the paper presented its work in two parts. At client side, a general storage algorithm VSVR was presented, which could represent most of the existing storage strategies and derive new designs. At server side, the main objective and the key principle of the storage scheduling policy were given. The work could be used as an important reference during the storage design of VoD/P2P systems.%在对真实VoD/P2P系统的存储过程进行模块划分的基础上:在客户端,提出了一种通用的存储算法模型VSVR,它可以归纳目前绝大多数的存储策略并可能推导出新的设计;在服务器端,给出了存储调度的主要目标与基本原理.其工作可作为VoD/P2P系统存储设计的重要参考.
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