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根据路由的触发方式不同,移动Ad Hoc网络路由协议可分为先验式、按需式和混合式路由协议三类。主要对混合式路由协议ZRP进行研究,通过网络仿真工具NS2对该协议的分组投递率、路由开销及端对端时延进行仿真,并与Ad hoc网络典型路由协议DSDV和AODV的仿真结果进行比较。分析结果表明,ZRP路由协议结合了Ad hoc网络AODV和DSDV协议的优点,在提高分组投递率的同时,路由开销得到了有效的控制,并且在一定程度上缩短了端对端时延,对Ad hoc路由协议的研究具有重要的意义。
According to different routing triggering, mobile Ad Hoc network routing protocols can be divided into three types: priori, on-demand and hybrid routing protocols. This paper mainly studies the hybrid routing protocol ZRP and simulates the packet delivery rate, routing overhead and end-to-end delay of the protocol by the network simulation tool NS2 and compares it with the simulation results of the typical routing protocols DSDV and AODV in Ad hoc networks . The analysis results show that the ZRP routing protocol combines the advantages of AODV and DSDV in Ad hoc networks. While improving the packet delivery rate, the routing overhead is effectively controlled and the end-to-end delay is reduced to a certain extent. hoc routing protocol research is of great significance.