Transmission Efficiency of Receiver-Based and Router-Based Reliable Multicast Protocols with Local Recovery

Satomi AMAKI  Masaharu KOMATSU  

IEICE TRANSACTIONS on Communications   Vol.E85-B   No.11   pp.2427-2436
Publication Date: 2002/11/01
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Network
reliable multicast,  transmission efficiency,  performance analysis,  local recovery,  

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In this paper, to investigate the processing requirements at each node and offered network load of receiver-based and router-based protocols, we analyze the number of packet transmissions on each link until all receivers receive a packet for an arbitrary multicast-tree topology and packet loss probability considering the correlation between loss events of a packet for different receivers. In order to show the effectiveness of the analytical results, we demonstrate the numerical examples for various conditions. The numerical results show that local recovery protocols, especially router-based protocol can reduce the offered network load due to data packets and their acknowledgements, and can decentralize processing requirement of sending nodes effectively. Further, we reveal the influence of the locations of group senders on the performance of both protocols.