车辆网络中一种有效自适应的复制路由协议  

Efficient adaptive replication routing in vehicular networks

作　　者：邓左祥[1,2] 朱燕民[1] 李明禄[1] 

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240 [2]广西科技大学计算机学院,广西柳州545006

出　　处：《计算机应用研究》2014年第12期3747-3751,共5页Application Research of Computers

摘　　要：已经提出的一些基于复制的路由协议,如传染路由,不能以低代价实现高成功率。对车辆网络中设计了一种有效的基于复制的路由协议ARR。ARR是一种完全分布式协议,它包含两个设计目标:a)在消息生存期内将绝大多数消息成功发送;b)尽可能产生较低的发送代价。为了以低代价实现高成功率,ARR对一条消息的拷贝数量采取自适应策略。另外,为分配消息拷贝提出了两种分配方法。基于真实车辆行驶数据的仿真实验表明,相比其他四种路由协议,ARR以较低的发送代价实现了较高的发送成功率。Some previous works had proposed some replication-based routing protocols,such as epidemic routing,but they couldn’t achieve high delivery ratio at a low delivery cost. This paper designed an adaptive replication-based routing protocol called ARR for efficient routing in vehicular networks. ARR was a fully distributed protocol. The goal of ARR was twofold,first,ARR deliverd the majority of the messages generated in time-to-live; second,ARR introduced as little delivery cost as possible. To achieve high delivery ratio at a low delivery cost,ARR adopted an adaptive strategy for the number of copies of a message. In addition,this paper proposed two methods for distributing message copies. Based on real traces of vehicles,this paper conducted real trace-driven simulations. Performance results demonstrate that ARR can achieve significantly high delivery ratio at a low delivery cost compared with the other four alternative protocols.

关 键 词：车辆网络 路由 自适应 相似度 相邻联系时间间隔 

分 类 号：TP393.04[自动化与计算机技术—计算机应用技术]