National Changhua University of Education Institutional Repository : Item 987654321/10156
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题名: A TCP-Friendly Stateless AQM Scheme for Fair Bandwidth Allocation
作者: Ho, Cheng-Yuan;Chan, Yi-Cheng;Chen, Yaw-Chung
贡献者: 資訊工程學系
日期: 2005-10
上传时间: 2012-05-04T08:30:04Z
出版者: IEEE Computer Society Washington, DC, USA
摘要: Queue management, bandwidth share, and congestion control are very important to both robustness and fairness of the Internet. In this article, we investigate the problem of providing a fair bandwidth allocation to those flows that share congested link in a router. A new TCP-friendly routerbased AQM (active queue management) scheme, termed WARD, is proposed to approximate the fair queueing policy. WARD is a simple packet dropping algorithm with a random mechanism, and discriminates against the flows which transmit more packets than allowed. By doing this, it not only protects TCP connections from UDP flows, but also solves the problem of competing bandwidth among different TCP versions such as TCP Vegas and Reno. In addition, WARD works quite well for TCP flow isolation even with different round trip times. In other words, WARD improves the unfair bandwidth allocation properties. Furthermore, it is stateless and easy to implement, so WARD controls unresponsive or misbehaving flows with a minimum overhead.
關聯: IEEE International Conference on Autonomic and Autonomous Systems & International Conference on Networking and Services (ICAS /ICNS 2005), Papeete, Tahiti, French Polynesia, October 23-28, 2005: 14-19
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