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This paper investigates the overload problem of a single congested router in TCP (Transmission Control Protocol) networks. To cope with the congestion phenomenon, we design a feedback control based on a multiple time-delays model of the set TCP/AQM (Active Queue Management). Indeed, using robust control tools, especially in the quadratic separation framework, the TCP/AQM model is rewritten as an interconnected...
Technological advances in communication networks have made to increase communication rate as well as energy consumption. Some equipments and protocol solutions have been developed to treat these problems e.g. Smart Sleeping and Rate Adaptation. We present an original and alternative adaptive solution from Automatic community to control the output flow of a node, in such a way that Quality of Service...
Anomaly detection has been an active open problem in the networks community for several years. In this brief, we aim at detecting such abnormal signals by control theory techniques. Several classes of sliding mode observers are proposed for a fluid flow model of the transmission control protocol (TCP)/internet protocol network. Comparative simulations via network simulator NS-2 show the enhancement...
This paper deals with an algorithm of the Satellite Terminal, more precisely, it contributes to the Quality of Service management of the return link, a central problem in satellite network (compared to wire network) due to the satellite delay and the scare uplink resources. Instead of oversizing the connection, which could be very expensive, we aim at reaching an optimal exploitation of uplink resources...
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