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基于多径路由负载均衡的动态源路由协议


  摘 要:提出了一种DSR的改进多径路由协议(LBDSRM)。采用开销小的综合链路状态路由判据算法,协议具有链路状态实时监控与适时调整路由功能,在链路变化较大的情况下,主动通知有路由冗余的源节点改用或重点使用次选路由;而且协议提出了适时退避算法,解决了多径任务与单径任务争用链路时网络公平性问题。仿真结果表明新协议能有效避免节点拥塞,达到较好的动态负载均衡,实现网络资源的充分利用。

  关键词:负载均衡; 链路状态; 多径路由; 无线网状网; 路由判据

  中图法分类号:TP393文献标志码:A

  文章编号:1001-3695(2010)06-2249-05

  doi:10.3969/j.issn.1001-3695.2010.06.072

  Load balancing dynamic source routing protocol based on multipath routing

  DING Xiong1,2, XIE Kun2

  (1.College of Electrical & Information Engineering, Hunan International Ecnomics University, Changsha 410205, China;2.School of Computer & Communication, Hunan University, Changsha 410006, China)

  Abstract: This paper presented a multipath protocol based on the improved DSR (LBDSRM). The protocol used the economical and comprehensive linkstate routing algorithm. This protocol had a function of timely monitoring of linkstate and could adjust it necessarily. In the case of larger changes in the link, the node voluntarily notified the redundant source node to change into or use secondary links. The protocol set forth timely backoff algorithm to solve the fairness of the link competition between the multipath tasks and the singlepath tasks to avoid node congestion and then to realize better dynamic load balancing and the full utilization of network resources.

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