按需路由协议AODV的安全性改进与仿真

An Improvement and Simulation for Security of AODV

移动Ad hoc网络无基础设施仅靠网络节点之间的协作完成通信。其路由协议的安全性是研究热点之一。通过对按需路由协议AODV及其安全性进行分析,提出一种基于其安全性的改进方案。该方案采用隐藏身份寻找路由、唯一标识路由请求,对报文分组进行认证等方法,增强路由信息安全性。最后在NS2网络仿真平台上对该方案进行仿真和性能分析,结果表明改进方案的安全性有较大提高。

Ad hoc,without any infrastructure,accomplishes the communication only by collaborations of between the internal nodes.The safety of its routing protocols is one of the research hotspots.Through analysis of AODV（Ad hoc On demand-Routing AODV） protocol an improved scheme based on its security is proposed.This scheme,with anonymous path-finding,unique identification of routing request and packet authentication,enhances the security of routing information.Finally the improved scheme is simulated and analyzed on simulation platform-NS2,and the results shows that the security of improved scheme is fairly enhanced.