Robust congestion control of TCP/IP flows

Authors:
A. Cela;C. Ionete;M. Ben Gaid
Affiliations:
Computer Control Laboratory, Groupe ESIEE, Noisy Le Grand, France;Computer Control Laboratory, Groupe ESIEE, Noisy Le Grand, France;Computer Control Laboratory, Groupe ESIEE, Noisy Le Grand, France
Venue:
ACMOS'05 Proceedings of the 7th WSEAS international conference on Automatic control, modeling and simulation
Year:
2005

Citing 4
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Abstract

The growth in the TCP/IP traffic and the importance of the industrial applications using Internet (Flexibible Control and Instrumentation, Telecontrol, Telemedecine,...) as communication medium have made necessary to know better the dynamic behavior of this dynamic system (TCP/IP flow).The objectif is to reduce the congestion and thus render better service to the user with constant investments. Different models and different techniques of congestion control are proposed. These techniques have in common the necessity to estimate the congestion level of a link and to return this information to the transmission sources. The results obtained has proved that to reduce the congestion it is necessary to anticipate it by slowing down the sources before it occurs. In our paper we present a robust congestion control algorithm based on Smith Predictor (SP). The advantage of using SP is its capacity to predict the state of a dynamic system (congestion in our case) and thus reducing the effect of input delay inherent of TCP/IP flows.