对等网络资源搜索模型研究

Research on resource searching model in P2P networks

为了提高结构化P2P网络的查询性能,提出P2P网络搜索延时模型,通过分析结构化P2P网络的搜索过程,利用马尔可夫链,得出P2P网络平均节点会话时间和搜索延时之间的关系。该模型展现了P2P Churn与网络性能之间的内在规律,进而达到改善结构化P2P的性能和应用范围的目的。

In order to improve query performance of structured P2P network. A P2P network lookup-delay model is proposed , which disclose the relationship between churn and lookup delay, by analysis the lookup process in churn with Markov chain. The model revealed how mean session time of nodes and stabilization time of nodes’ routing table affected lookup performance of P2P network. With those contributions, people can improve the performance of churn and implemented structured P2P networks widely.