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结构化对等网络中基于信誉的乐观路由决策

, PP. 839-844

Keywords: 结构化对等网络,信誉,Chord,乐观路由决策

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Abstract:

提出一种结构化P2P网络环境下的路由决策方法.该方法利用Beta评估机制对P2P节点路由行为进行信任度量,并针对P2P节点的短期在线行为,通过引入置信度避免了短期在线节点产生不可靠的信誉值;在基于Chord协议的P2P网络路由决策过程中,提出了乐观路由的思想;采用贪婪决策与信誉决策相结合的方式,实现了合理的多路径路由.该路由方法兼顾了效率和可靠性两方面因素.仿真结果表明,该方法在减少路由跳数和提高路由成功率方面都取得了较好的效果.

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