基于AIMD的双平滑TCP拥塞控制算法

Xiao-chao Dang, Yanqun Wang
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引用次数: 0

摘要

提出了一种基于AIMD的双平滑TCP拥塞控制算法(SAISD)。SAISD使用递减函数作为发送速度的增量,当检测到拥塞时,参考cwnd的历史值平滑地改变当前发送速率,从而提高了发送速度的振荡性。仿真结果表明,当UDP和TCP共存时,SAISD为UDP提供了平滑的服务,具有良好的公平性和稳定性,同时提高了带宽利用率。
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A dual smooth TCP congestion control algorithm based on AIMD
A dual smooth TCP congestion control algorithm based on AIMD (SAISD) is presented. SAISD uses a decreasing function as the incremental in the speed of sending, and when the congestion is detected, the current sending rate is changed smoothly refered the historical value of cwnd, thus the oscillatory of sending speed is improved. The simulation results show that when the UDP and TCP co-exist, SAISD provides a smooth services for UDP, and it has good fairness and stability, meanwhile it can improve the utilization of bandwidth.
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