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Performance Evaluation of Local Recovery Group Configuration in Reliable Multicast

Miki YAMAMOTO, Takashi HASHIMOTO, Hiromasa IKEDA

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Summary :

In reliable multicast communications, retransmission control plays an important role from the viewpoint of scalability. Previous works show that the implosion of control packets, e.g. ACKs or NAKs, degrades the total performance of reliable multicast communications. Local recovery which enables receivers receiving a packet successfully to initiate recovering a lost packet may have the possibility to solve this scalability problem. This paper presents the performance evaluation of local recovery caused by grouping receiving nodes in reliable multicast communication. There seems to be many features dominating the performance of local recovery, the number of nodes in a group, the shared loss occurring simultaneously at multiple receivers and so on. When the number of receivers in a group increases, the geographical expansion of a group will degrade the delay performance of the receivers. In a configuration where most nodes in a local-recovery group suffer from shared loss, the failure of local recovery degrades the total performance. Our simulation results under a hierarchical network topology like the real Internet show that a local-recovery group configuration with two-adjacent MANs grouping performs well.

Publication
IEICE TRANSACTIONS on Communications Vol.E83-B No.12 pp.2675-2684
Publication Date
2000/12/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Internet

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