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:2019,28(2):219-225
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基于ODMRP的分布式核心稳定路由算法
(1.海军航空大学 电子信息工程系, 烟台 264001;2.66135部队, 北京 100144)
Distributed Kernel Stable Routing Algorithm Based on ODMRP
(1.Department of Electronic and Information Engineering, Naval Aeronautical and Astronautical University, Yantai 264001, China;2.Troops 66135, Beijing 100144, China)
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投稿时间:2018-08-28    修订日期:2018-09-20
中文摘要: 在无人机网络中,由于节点具有较强的移动性,对于组播路由的建立以及组播组的划分提出更高要求,一般的组播路由协议往往无法满足网络需求.为此,提出了一种基于ODMRP的分布式核心稳定路由算法.该算法结合了改进贪婪机制,根据路由状况对路径进行优化,为了降低源节点的数据处理负担,提出了分布式核心节点选择机制,将组播组的信息储存在多个核心节点中,同时释放了转发节点的储存空间.文章通过路由抢修机制,监控路由状态变化,对即将断裂的路由提前修复,保证了路径的有效性.仿真表明,该算法与标准的ODMRP算法及改进算法VCMP算法相比,能够优化传输路径,降低端到端时延,提高分组交付率,提升网络性能.
Abstract:Due to the strong mobility of nodes, higher requirements for multicast routing and multicast group partition were required.And the General Multicast Routing Protocol often failed to meet the requirements of the network.A distributed kernel stable routing algorithm based on ODMRP was proposed in this study. The algorithm combined the improved greedy mechanism and optimized the path according to the routing condition.In order to reduce the burden of data processing, a distributed kernel node selection mechanism was proposed. The information of multicast group was stored in multiple kernel nodes, and the storage space of forwarding nodes was also released. In this study, the routing repair mechanism was used to monitor the change of routing status and repair the broken routes in advance to ensure the validity of the path. The simulation shows that compared with the ODMRP algorithm and VCMP algorithm the algorithm can optimize the transmission path, reduce end-to-end delay, increase the rate of packet delivery and improve the performance of the network.
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傅伟,周新力,刘军.基于ODMRP的分布式核心稳定路由算法.计算机系统应用,2019,28(2):219-225
FU Wei,ZHOU Xin-Li,LIU Jun.Distributed Kernel Stable Routing Algorithm Based on ODMRP.COMPUTER SYSTEMS APPLICATIONS,2019,28(2):219-225

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