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Zbl 1191.68096
Chen, Jianyong; Hu, Cunying; Ji, Zhen
An improved ARED algorithm for congestion control of network transmission. (English)
[J] Math. Probl. Eng. 2010, Article ID 329035, 14 p. (2010). ISSN 1024-123X; ISSN 1563-5147/e

Summary: In order to achieve high throughput and low average delay in computer network, it is necessary to stabilize the queue length and avoid oscillation or chaos phenomenon. In this paper, based on Adaptive Random Early Detection (ARED), an improved algorithm is proposed, which dynamically changes the range of maximum drop probability $p_{\max}$ according to different network scenarios and adjusts $p_{\max}$ to limit average queue size $q_{\text{ave}}$ in a steady range. Moreover, exponential averaging weight $w$ is adjusted based on linear stability condition to stabilize $q_{\text{ave}}$. A number of simulations show that the improved ARED algorithm can effectively stabilize the queue length and perform better than other algorithms in terms of stability and chaos control.

MSC 2000:: *68M20 Performance evaluation of computer systems, etc.
90B18 Communication networks

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