TCP congestion control in input-queued crossbar switch

Hongyun Zheng; Yongxiang Zhao; Changjia Chen

doi:10.1117/12.573376

8 February 2005 TCP congestion control in input-queued crossbar switch

Hongyun Zheng, Yongxiang Zhao, Changjia Chen

Proceedings Volume 5626, Network Architectures, Management, and Applications II; (2005) https://doi.org/10.1117/12.573376
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

In this paper, we consider congestion control in input queued crossbar switch environment where each input port with finite buffer space while TCP protocol is employed for end-to-end congestion control. We find that it is impossible to achieve efficiency and fairness among TCP flows at the same time only by queue management. Then we propose a scheme of hFS&rEDF, which combine heuristic fair switch arbitration (hFS) and queue management policy of early drop front randomly (rEDF). In our proposed scheme, switch arbitration strategy of hFS unevenly allows input ports to transfer packets to output ports while packets at head of any other input ports involved in conflicts have to be dropped by the policy of rEDF with a probability. Simulation results prove that our proposed scheme can achieve better tradeoff between throughput and fairness.

Citation Download Citation

Hongyun Zheng, Yongxiang Zhao, and Changjia Chen "TCP congestion control in input-queued crossbar switch", Proc. SPIE 5626, Network Architectures, Management, and Applications II, (8 February 2005); https://doi.org/10.1117/12.573376

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