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Discrete Time Sliding Mode Flow Controller for Multi-source Single-bottleneck Connection-oriented Communication Networks

Institute of Automatic Control, Technical University of ódz, 18/22 Stefanowskiego St., 90-924 ódz, Poland, andrzej.bartoszewicz{at}p.lodz.pl

Justyna uk

Institute of Automatic Control, Technical University of ódz, 18/22 Stefanowskiego St., 90-924 ódz, Poland, justynazuk{at}gmail.com

In this paper, we propose a sliding mode flow controller for connection-oriented, multi-source, single-bottleneck communication networks. For that purpose, we model the networks as discrete time systems with the available bandwidth acting as the disturbance. The proposed control algorithm is designed in such a way that the closed-loop system stability and finite time error convergence are ensured. Moreover, we demonstrate that the proposed controller guarantees no bottleneck link buffer overflow and full utilization of its available bandwidth. Furthermore, transmission rates generated by the controller are always bounded and nonnegative.

Key Words: Discrete time sliding mode control • flow control • connection-oriented communication networks.

This version was published on November 1, 2009

Journal of Vibration and Control, Vol. 15, No. 11, 1745-1760 (2009)
DOI: 10.1177/1077546309102676


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