Sliding mode congestion control for a single virtual circuit in connection-oriented networks with lossy links

This paper presents a new discrete-time sliding mode flow controller for a single virtual circuit in connection-oriented communication networks. The controller is designed in such a way that packet losses are explicitly taken into account. The closed-loop system stability and finite-time error convergence are proved. Moreover, the proposed controller guarantees no bottleneck node buffer overflow and full utilization of the available bandwidth. Application of time-varying sliding hyperplanes helps avoid excessive transmission rates at the beginning of the control process.