National Changhua University of Education Institutional Repository : Item 987654321/10158
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题名: An Enhanced Slow-Start Mechanism for TCP Vegas
作者: Ho, Cheng-Yuan;Chan, Yi-Cheng;Chen, Yaw-Chung
贡献者: 資訊工程學系
日期: 2005-07
上传时间: 2012-05-04T08:30:07Z
出版者: IEEE
摘要: In this article, we present a new slow-start variant, which improves the throughput of TCP Vegas, we call this new mechanism Gallop-Vegas which quickly ramps up to the available bandwidth and reduces the burstiness during the slow-start phase. Since TCP (Transmission Control Protocol) is known to send bursts of packets during its slowstart phase due to the fast increase of window size and the ACK-clock based transmission. This phenomenon causes TCP Vegas to change from slow-start phase to congestionavoidance phase too early in the large BDP (bandwidthdelay product) links. Therefore, in Gallop-Vegas, we increase the congestion window size with a rate between exponential growth and linear growth during slow-start phase. Our extensive simulation results show that Gallop- Vegas significantly improves the performance during the slow-start phase. Furthermore, it is implementation feasible because only sending part needs to be modified.
關聯: IEEE International Conference on Parallel and Distributed Systems (ICPADS’05), Fukuoka, Japan, July 20-22, 2005: 405-411
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