National Changhua University of Education Institutional Repository : Item 987654321/10141
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題名: RoVegas: A router-based congestion avoidance mechanism for TCP Vegas
作者: Chan, Yi-Cheng;Chan, Chia-Tai;Chen, Yaw-Chung
貢獻者: 資訊工程學系
關鍵詞: Congestion control;TCP Vegas;Transport protocol
日期: 2004-10
上傳時間: 2012-05-04T08:27:51Z
出版者: Elsevier B.V
摘要: Transmission control protocol (TCP) Vegas detects network congestion in the early stage and successfully prevents periodic packet loss that usually occurs in TCP Reno. It has been demonstrated that TCP Vegas outperforms TCP Reno in many aspects. However, TCP Vegas suffers several problems that inhere in its congestion avoidance mechanism, these include issues of rerouting, persistent congestion, fairness, and network asymmetry. In this paper, we propose a router-based congestion avoidance mechanism (RoVegas) for TCP Vegas. By performing the proposed scheme in routers along the round-trip path, RoVegas can solve the problems of rerouting and persistent congestion, enhance the fairness among the competitive connections, and improve the throughput when congestion occurs on the backward path. Through the results of both analysis and simulation, we demonstrate the effectiveness of RoVegas.
關聯: Computer Communications, 27(16): 1624-1636
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