Abstract:
In Application Layer Multicast(ALM), if none-leaf nodes leave or fail, all of this node’s download nodes will be greatly affected. On this issue, this paper proposes a new proactive approach to restore overlay multicast, and each non-leaf node precalculates a parent-to-be for each of its children. So that the non-leaf node fails or leaves, the children nodes can accept data quickly from parent-to-be. Simulation experiment demonstrates the proactive approach can recover from node departures about 3 times faster than reactive approach, and average delivery delay is smaller than other proactive approaches with low overheads.
Key words:
Application Layer Multicast(ALM),
available bandwidth,
parent-to-be
摘要： (中南大学信息科学与工程学院，长沙 410083)
关键词:
应用层组播,
可用带宽,
备用父节点
CLC Number:
ZHU Yu-dong; HUANG Dong-jun; YANG Shan. Proactive Approach to Reconstructing Degree-constrained Application Layer Multicast Tree[J]. Computer Engineering, 2009, 35(13): 93-95,9.
朱誉东;黄东军;杨 珊. 度受限的应用层组播树预先式重构方法[J]. 计算机工程, 2009, 35(13): 93-95,9.