Z.W. Wan, M. Kadoch, and A. Elhakeem (Canada)
Reliable multicast, designated receivers, hierarchy, optimization
Designated receivers (DR) are assigned for retransmission handling of each domain for hierarchical reliable multicast. Effects of DR locations on multicast performance are analyzed in this paper. The paper addresses the problem of finding the optimal placements of DRs that minimizes the bandwidth consumption. Such bandwidth consumption depends on the loss recovery scheme employed. In this respect, we compare two multicast loss recovery policies. We couple the policy choice to the problem of optimal determination of the number and places of DRs.1
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