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Issue No.09 - Sept. (2012 vol.61)
pp: 1296-1310
J. Ferrer , Dept. of Comput. Eng. (DISCA), Univ. Politec. de Valencia, Valencia, Spain
E. Baydal , Dept. of Comput. Eng. (DISCA), Univ. Politec. de Valencia, Valencia, Spain
A. Robles , Dept. of Comput. Eng. (DISCA), Univ. Politec. de Valencia, Valencia, Spain
Pedro López , Dept. of Comput. Eng. (DISCA), Univ. Politec. de Valencia, Valencia, Spain
J. Duato , Dept. of Comput. Eng. (DISCA), Univ. Politec. de Valencia, Valencia, Spain
Congestion management in multistage interconnection networks is a serious problem, which is not solved completely. In order to avoid the degradation of network performance when congestion appears, several congestion management mechanisms have been proposed. Most of these mechanisms are based on explicit congestion notification. For this purpose, switches detect congestion and depending on the applied strategy, packets are marked to warn the source hosts. In response, source hosts apply some corrective actions to adjust their packet injection rate. Although these proposals seem quite effective, they either exhibit some drawbacks or are partial solutions. Some of them introduce some penalties over the flows not responsible for congestion, whereas others can cope only with congestion situations that last for a short time. In this paper, we present an overview of the different strategies to detect and correct congestion in multistage interconnection networks, and propose a new mechanism referred to as Marking and Validation Congestion Management (MVCM), targeted to this kind of lossless networks, and based on a more refined packet marking strategy combined with a fair set of corrective actions, that makes the mechanism able to effectively manage congestion regardless of the congestion degree. Evaluation results show the effectiveness and robustness of the proposed mechanism.
multistage interconnection networks, lossless networks, progressive congestion management mechanism, packet marking strategy, validation techniques, multistage interconnection networks, network performance degradation, explicit congestion notification, source hosts, corrective actions, packet injection rate, marking and validation congestion management, MVCM, Proposals, Delay, Coordinate measuring machines, Bandwidth, Degradation, Throughput, Buffer storage, message throttling., Interconnection networks, congestion management
J. Ferrer, E. Baydal, A. Robles, Pedro López, J. Duato, "Progressive Congestion Management Based on Packet Marking and Validation Techniques", IEEE Transactions on Computers, vol.61, no. 9, pp. 1296-1310, Sept. 2012, doi:10.1109/TC.2011.146
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