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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/11652

Title: Performance evaluation of threshold-based control mechanism for Vegas TCP in heterogeneous cloud networks
Authors: Cheng, Rung-Shiang;Shih, Ming-Yi;Yang, Chih-Chun
Contributors: 資訊工程學系
Keywords: Heterogeneous;Reno;Unfairness;Vegas
Date: 2010-03
Issue Date: 2012-06-18T02:32:09Z
Publisher: Inderscience Enterprises
Abstract: Many studies have shown that Vegas TCP has a better throughput and stability than Reno TCP in homogeneous networks with a single TCP flavour, but performs less well in heterogeneous networks in which two-TCP flavours coexist. The progressive behaviour of Reno TCP and the conservative behaviour of Vegas TCP cause a bias when they are used simultaneously, and thus, Vegas TCP fails to obtain a fair share of the bandwidth. This paper examines the origins of this bias and proposes a threshold-based congestion control mechanism designed to alleviate the resulting unfairness problem. The simulation results show that the proposed scheme achieves a higher throughput than the conventional Vegas TCP scheme and preserves the stability of the conventional scheme when used in heterogeneous cloud networks.
Relation: International Journal of Internet Protocol Technology, 5(4): 202-209
Appears in Collections:[資訊工程學系] 期刊論文

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