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电子学报  2002 

一种基于带宽和时延约束的分布式组播路由算法

, PP. 1978-1981

Keywords: 分布式路由,带宽约束,时延约束,组播路由

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Abstract:

针对已有分布式组播路由算法在寻找QoS路由时的低成功率问题,本文提出了一种新的基于带宽和时延约束的分布式组播路由算法-QDMR(QoS-basedDistributedMulticastRouting).在为新组播成员搜索连接到组播树的可行路径时,QDMR算法使用RBMF(ReverseBestMetricForwarding)转发算法代替RPF(ReversePathForwarding)转发算法,从而优先搜索满足带宽和时延约束要求的路径,然后才考虑代价的优化.模拟分析表明,QDMR提高了路由搜索的成功率,并且降低了协议开销.

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