Rate-based reliable multicast congestion control

Melody Moh; Shuqin Zhang

doi:10.1117/12.434412

25 July 2001 Rate-based reliable multicast congestion control

Melody Moh, Shuqin Zhang

Proceedings Volume 4526, Scalability and Traffic Control in IP Networks; (2001) https://doi.org/10.1117/12.434412
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

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.

Citation Download Citation

Melody Moh and Shuqin Zhang "Rate-based reliable multicast congestion control", Proc. SPIE 4526, Scalability and Traffic Control in IP Networks, (25 July 2001); https://doi.org/10.1117/12.434412

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