Scalable low-overhead rate control algorithm for multirate multicast sessions

Koushik Kar; Saswati S. Sarkar; Leandros Tassiulas

doi:10.1117/12.434305

24 July 2001 Scalable low-overhead rate control algorithm for multirate multicast sessions

Koushik Kar, Saswati S. Sarkar, Leandros Tassiulas

Proceedings Volume 4523, Internet Performance and Control of Network Systems II; (2001) https://doi.org/10.1117/12.434305
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

In multirate multicasting, different users (receivers) within the same multicast group could receive service at different rates, depending on user requirements and network congestion level. Compared to unirate multicasting, this provides more flexibility to the user, and allows more efficient usage of network resources. In this paper, we address the rate control problem for multirate multicast sessions, with the objective of maximizing the total receiver utility. This aggregate utility maximization problem not only takes into account the heterogeneity in user requirements, but also provides a unified framework for diverse fairness objectives. We propose an algorithm for this problem and show, through analysis and simulation, that it converges to the optimal rates. In spite of the non-separability of the problem, the solution that we develop is completely decentralized, scalable and does not require the network to know the receiver utilities. The algorithm requires very simple computations both for the user and the network, and also has very low overhead of network congestion feedback. Moreover, the algorithm does not require the network links to maintain per-flow state, and is suitable for deployment in the current internet.

Citation Download Citation

Koushik Kar, Saswati S. Sarkar, and Leandros Tassiulas "Scalable low-overhead rate control algorithm for multirate multicast sessions", Proc. SPIE 4523, Internet Performance and Control of Network Systems II, (24 July 2001); https://doi.org/10.1117/12.434305

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