基于信任和可靠性的P2P安全路由算法  

Secure Routing Algorithm of P2P Based on Trust and Reliability

作　　者：刘浩[1] 

机构地区：[1]湖南人文科技学院信息科学与工程系,湖南娄底417000

出　　处：《湖南人文科技学院学报》2014年第2期129-132,共4页Journal of Hunan University of Humanities,Science and Technology

基　　金：湖南省自然科学基金的资助项目"无线多媒体传感器网络中基于跨层优化的QOS保障机制研究"(11JJ3074);湖南省科技计划资助项目"语义小世界网络资源共享系统的研究与设计"(2012GK3117);湖南省教育厅科研资助项目"具有社会网络特性的P2P网络模型及其搜索机制研究"(12C0744)

摘　　要：安全有效的路由算法是P2P网络的关键技术之一。针对目前大多数P2P路由算法没有考虑安全性问题,并且采用随机选择下一跳节点的方法会降低路由效率,给出了一种新的P2P安全路由算法。该算法采用信任度与路径可靠性指导下一跳节点的选择,以建立安全有效的路由路径,并且引入加密、多路径传输等方法以抑制篡改、窃听等典型攻击。模拟实验结果表明,该路由算法的路由效率要优于Gnutella,安全性能好。Secure and effective routing algorithm is one of vital technique for P2P network. Most of P2P routing algorithms don＇ t take the secure＋ problem into account, and choosing the next hop node randomly would decrease greatly the efficiency of rou- ting. A new P2P routing algorithm is proposed in the paper. It adopts trust and the reliability of path to guide choosing of the next hop node, the secure and effective routing path is established, and the transmission of muhipath and encryption can effectively re- strain several typical security attacks such as tamper and tapping. The results of experiment show that its efficiency of routing is better than Gnutella, and its security is nicer.

关 键 词：P2P网络 信任 可靠性 安全 路由算法 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]