Variable rate model with QoS guarantees for real-time Internet traffic

Tansu Alpcan; Tamer Basar

doi:10.1117/12.417491

2 February 2001 Variable rate model with QoS guarantees for real-time Internet traffic

Tansu Alpcan, Tamer Basar

Proceedings Volume 4211, Internet Quality and Performance and Control of Network Systems; (2001) https://doi.org/10.1117/12.417491
Event: Information Technologies 2000, 2000, Boston, MA, United States

Abstract

We develop a mathematical model within a game theoretical framework for variable rate real time traffic at a bottleneck node. We address not only the flow control problem, but also pricing and allocation of a single resource among users. A distributed, end-to-end flow control is proposed by introducing a cost function, defined as the difference of pricing and utility functions. For two different utility functions, there exists a unique Nash equilibrium in the underlying game. The paper also introduces three distributed update algorithms, parallel, random and gradient update, which are globally stable under reasonable conditions. The convergence properties and robustness of each algorithm are studied through extensive simulations.

Citation Download Citation

Tansu Alpcan and Tamer Basar "Variable rate model with QoS guarantees for real-time Internet traffic", Proc. SPIE 4211, Internet Quality and Performance and Control of Network Systems, (2 February 2001); https://doi.org/10.1117/12.417491

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