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A Virtual Loss-Load Congestion Control Strategy for High Speed Networks

By N. Prithviraj and Narayanan Prithviraj


Congestion control is critical in the design, deployment and operation of future high speed networks. Thus, several congestion control strategies have been proposed in the literature. These strategies may broadly be classified as preventive or reactive strategies. The objective of this thesis is to evaluate a hybrid congestion control strategy called the virtual loss-load model. The approach combines the leaky bucket traffic shaper (a preventive congestion control mechanism) with the loss-load model (a reactive congestion control mechanism). Simulation is used to evaluate the virtual loss-load model, and to compare its performance to that of five other reactive congestion control strategies. The evaluation is done using a benchmark suite of network scenarios proposed by Kanakia, Keshav and Mishra. Three main performance metrics are used in the evaluation: file transfer time, mean cell delay, and cell loss probability. The simulation results show that the virtual loss-load model is an ..

Year: 1994
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