Z.W. Wan, M. Kadoch, and A. Elhakeem (Canada)
Reliable multicast, designated receivers, hierarchy, optimization
Hierarchical reliable multicast provides scalability as well as performance enhancement. Designated receivers (DR) are assigned for retransmission handling of each domain. Effect of placements of DRs on multicast performance is analyzed in this paper. We also obtain the average number of transmission times that reflects bandwidth consumption. The total bandwidth consumption greatly depends on the partition of the tree, i.e, placements of DRs. Optimal DR placements are obtained based on bandwidth consumption of hierarchical reliable multicast1 .
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