Performance Evaluation of AQM Algorithms for SRM based group communication in Centralised Multicasting Network
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Abstract
Over the last decade numerous active queue management (AQM) schemes have been proposed in the literature. Many of these studies have been directed towards improving congestion control in best-effort networks. However, there has been a notable lack of standardized performance evaluation of AQM schemes. A rigorous study of the influence of parameterization on specific schemes and the establishment of common comparison criteria is essential for objective evaluation of the different approaches. A framework for the detailed evaluation of AQM schemes is described in this paper. This provides a deceptively simple user interface whilst maximally exploiting relevant features of the NS2 simulator. The credibility of the results obtained is enhanced by vigilant treatment of the simulation data. The impact of AQM schemes on global network performance is assessed using three carefully selected metrics. These metrics are Throughput (Quantity of Service), Delay (Quality of Service) and Packet Drop.
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Keywords: Congestion Control; SRR; RED; RIO; BLUE; SFB.
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