摘要
在分析现有典型Ad Hoc网络多播路由协议MAODV基础上,针对协议消息利用率不高以及收集的信息量有限等问题,提出了改进协议SMAODV。采用HELLO响应机制以提高消息的利用率,完成协议所需的相关数据采集,基于链路稳定性来构建和维护路由,并根据链路稳定性向量的综合度量来选择更优的路由路径。此外采用了主动链路切换机制,即采用预测的思想主动在链路失效之前进行链路切换,从而减少因链路失效造成的路由修复甚至重构的开销。实验结果表明,所提出方案是正确和可行的,且在多种网络环境中均表现出更优的综合性能。
Based on the analysis of the existing typical Ad Hoc network multicast routing protocol-MAODV,aiming at the low utilization rate of protocol messages and the limited amount of information collected,the improved protocol SMAODV is proposed.HELLO response mechanism is used to improve the message utilization,to complete the data collection required by the protocol,build and maintain the route based on the link stability,and select the better route according to the comprehensive measurement of the link stability vector.In addition,the active link handover mechanism is adopted,that is,the prediction idea is used to actively switch the link before the link failure,so as to reduce the cost of repairing or even reconstructing the route caused by the link failure.The experimental results show that the proposed scheme is correct and feasible,and has better comprehensive performance in various network environments.
作者
周永塔
Zhou Yongta(Educational Technology and Information Center, Guangdong Nanhua Vocational College of Industry and Commerce,Guangzhou 510507,China)
出处
《信息技术与网络安全》
2020年第4期63-67,共5页
Information Technology and Network Security
基金
教育部科技发展中心高校产学研创新基金-新一代信息技术创新项目(2018A01018)
广东省普通高校青年创新人才类项目(自然科学)(2017GkQNCX122)
2019年度广东省普通高校特色创新类项目(2019GKTSCX149)。
