Computer Science ›› 2011, Vol. 38 ›› Issue (1): 107-109.
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JIANG Zhan-hua,SUN Dan-dan,WANG Ai-min
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Abstract: In order to reduce the channel zapping time of the IPTV, this paper presented a new multicast algorithm based on the priority route performance evaluation which maintains the multicast tree. First of all, the priority route set was got according to the distance between the candidate parent node and the source node, then it was described that the candidate path performance was evaluated by using the peer performance assessment algorithm, ultimately, the optimal parent node was obtained based on the level of path performance, and then the multicast tree management was completed. Analysis and simulations show that this algorithm improves the efficiency of the multicast tree effectively, reduces the channel zapping time of the IPTV and enhances the QoE(Quahty of Experience).
Key words: IPTV,Channel zapping time, Multicast,Peer performance,Path performance
JIANG Zhan-hua,SUN Dan-dan,WANG Ai-min. Multicast Algorithm Based on Priority Route Performance in IPTV Channel lapping[J].Computer Science, 2011, 38(1): 107-109.
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