Congestion Control Algorithm Based on Improved Model in Large-Delay Networks

WANG Xiao-xi; WANG Yong-ji; ZHOU Jin-hui; WANG Xiu-li

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Congestion Control Algorithm Based on Improved Model in Large-Delay Networks

更新时间：2025-07-16

- Congestion Control Algorithm Based on Improved Model in Large-Delay Networks
- Acta Electronica Sinica Vol. 33, Issue 5, Pages: 842-846(2005)
- 作者机构：
  
  1. 中国科学院软件研究所互联网软件技术实验室,北京,100080
  2. 中国科学院计算机科学重点实验室,北京,100080
  3. 中国科学院研究生院,北京,100039
  4. 中国科学院软件研究所互联网软件技术实验室北京,100080
  5. 中国科学院计算机科学重点实验室北京,100080
  6. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Published：2005
- 稿件说明：
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WANG Xiao-xi, WANG Yong-ji, ZHOU Jin-hui, et al. Congestion Control Algorithm Based on Improved Model in Large-Delay Networks[J]. Acta Electronica Sinica, 2005, 33(5): 842-846.
DOI：

WANG Xiao-xi, WANG Yong-ji, ZHOU Jin-hui, et al. Congestion Control Algorithm Based on Improved Model in Large-Delay Networks[J]. Acta Electronica Sinica, 2005, 33(5): 842-846. DOI：

摘要

随着对网络拥塞控制的深入研究

出现了许多有关网络流量的控制理论及网络模型.Misra等人于2000年基于流体流(fluid flow)理论提出的模型被研究人员广为采用.但模型在推导过程中的一些近似却使得模型对网络行为描述不精确.本文对此从理论和实验结果两方面进行了详细分析

并对原模型进行了改进.基于改进的模型

把一种PID(Proportional Integral Differential)及类PID设计方法用于AQM(Active Queue Management)控制器的设计.对比仿真结果表明

该算法具有更好的性能.

Abstract

With further research on the network congestion control

many flow control theories and network models have appeared.Based on fluid flow theory

Misra developed a dynamic model of the TCP congestion window in 2000

which has been accepted by many researchers.However

some flaws are inevitable due to its approximation in the model evolvement.This paper gives a detailed analysis of its shortcoming from both the theory and experimental results.Then it presents an improved model.Based on this model

a new PID(Proportional Integral Differential) and PID-like controller design method is applied to AQM controller.Experimental results show that this algorithm outperforms other algorithms.

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