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.
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