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Proceedings Paper

Rate-based reliable multicast congestion control
Author(s): Melody Moh; Shuqin Zhang
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Paper Abstract

This work address two important challenges in congestion control for reliable multicast: (1) Provably TCP-fairness and (2) Providing scalable feedback. We first present a simple, rate-based, flat-structured scheme, RMCC (Reliable Multicast Congestion Control), that does not rely on router assistance and is readily deployable at end hosts. It is enhanced from a generic scheme originally proposed by Whetten and Cohan. Detailed design of source and receiver mechanisms is described. Next we propose three scalable feedback schemes for RMCC over heterogeneous wired/wireless/mobile networks. Using sampling techniques, these feedback schemes adapt their feedback generation frequency according to network dynamics including congestion status, end host mobility, and packet losses. The RMCC algorithm and the three feedback methods are carefully evaluated through simulation experiments using various network configurations and traffic scenarios. We found that RMCC multicast flow co-exists well with TCP traffic and is TCP-fair. The three feedback schemes are effective in reducing acknowledgments, yet are able to promptly communicate significant network changes.

Paper Details

Date Published: 25 July 2001
PDF: 12 pages
Proc. SPIE 4526, Scalability and Traffic Control in IP Networks, (25 July 2001); doi: 10.1117/12.434412
Show Author Affiliations
Melody Moh, San Jose State Univ. (United States)
Shuqin Zhang, San Jose State Univ. (United States)

Published in SPIE Proceedings Vol. 4526:
Scalability and Traffic Control in IP Networks
Sonia Fahmy; Kihong Park, Editor(s)

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