基于泛洪约束的MANET按需组播路由协议

江国星; 梅锐

doi:10.3724/SP.J.1146.2009.00071

基于泛洪约束的MANET按需组播路由协议

doi: 10.3724/SP.J.1146.2009.00071

江国星,
梅锐

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出版历程
- 收稿日期: 2009-01-16
- 修回日期: 2009-09-21
- 刊出日期: 2010-02-19

On-Demand Multicast Routing Protocol with Constrained Flooding for Mobile Ad hoc Networks

摘要

摘要: 降低路由控制开销是MANET网络组播路由协议节省节点能量，提高带宽利用率的关键因素之一。本文研究了组播路径近邻节点对路由维护的作用以及链路的连通性，分别提出了一个新的泛k-洪约束算法和一个混合泛洪模式。基于泛k-洪约束算法和混合泛洪模式，提出一个新的按需组播路由协议ODMRP-CF，ODMRP-CF协议通过选择k-路由近邻节点转发泛洪分组来提高泛洪效率。ODMRP-CF协议不仅保持了ODMRP协议所具有的简单，对节点移动鲁棒性好的优点，而且有效地降低了ODMRP-CF协议的控制开销。
- 移动自组织网络; 组播; 路由; 泛洪; 控制开销
Abstract: In Mobile Ad hoc Networks (MANET), it is one of the dominant factors saving a nodes battery power and improving the efficiency of network bandwidth to reduce the routing overhead for a multicast routing protocol. The roles of some nodes near the paths in the maintenance of multicasting paths and the link connectivity are studied, a local flooding algorithm, namely k-constrained flooding algorithm, and a mixed flooding pattern are presented, and then a new multicast routing protocol, which is called the On-Demand Multicast Routing Protocol with Constrained Flooding (ODMRP-CF), is also proposed in this paper. In ODMRP-CF, only k-nodes near the paths can be selected to forward the control packets to enhance the flooding efficiency. Simulation results show that the ODMRP-CF can reduce significantly control overhead while keeping similar packet delivery ratio to ODMRP.

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参考文献(1)

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