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基于资源热度的Hot-Chord结构化网络搜索算法

Hot-Chord Structured Network Searching Algorithm Based on the Resource Performance
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摘要 Chord算法是结构化P2P网络的经典算法。Chord具有很多优秀特性,但仍存在一定局限:节点异构性、负载均衡、热点资源问题与底层物理拓扑。从路由效率、负载均衡、拓扑匹配几个角度改进Chord,并在此基础上提出基于资源性能和热度的Hot-Chord。充分考虑节点异构性和底层物理拓扑结构,引入局部负载均衡,建立热环,提高热点资源搜索效率,从而提高性能。 Chord is one of the most classical algorithms of the structured P2P network.It has a lot of excellent features.However there are still some limitations： node heterogeneity,load balancing,hot resources and the physical topology.Chord was improved in the above aspects.Then Hot-Chord algorithm was proposed considering resource performance and physical topology.Resource search efficiency and performance was enhanced by region load balance and the circle of resource nodes with high performance.
作者 戴超 李旭伟
机构地区 四川大学计算机学院
出处 《计算机与数字工程》 2011年第5期13-18,共6页 Computer & Digital Engineering
关键词 Hot-Chord算法 结构化P2P网络 资源搜索 DHT Hot-Chord algorithm structured peer-to-peer network resource searching DHT
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献9

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共引文献27

计算机与数字工程
2011年 第5期

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