In order to adapt to highly dynamic and the efficient search, this paper puts forward thestructured P2P networks based on index (IP-P2P), which has the double-indexing mechanism, the index of such a layer is body composition of a structured P2P network, another layer is formed by ordinary peer P2P network. Then it realizes campus network resource sharing platform using IP-P2P, the test results are proved the effectiveness.%为了能够适应高度动态性,同时又能进行高效搜索,文章提出基于索引的结构化P2P网络IP-P2P(Index-PeerP2P)模型,它具有双层索引机制,一层是由索引对等体组成的有结构P2P网络,另一层是由普通对等体组成P2P网络,然后实现了基于IP-P2P校园网资源共享平台的方案并通过测试证明了该平台的有效性.
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