PSTCP：Congestion control for small buffer high speed networks

doi:10.3778/j.issn.1002-8331.2011.02.031

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (2): 99-101.DOI: 10.3778/j.issn.1002-8331.2011.02.031

• 网络、通信、安全 • Previous Articles Next Articles

PSTCP：Congestion control for small buffer high speed networks

HUANG Li^1，2，CHEN Yuanyan¹，LUO Xiaoshu³，LI Peng¹

1.College of Computer Science & Information Engineering，Guangxi Normal University，Guilin，Guangxi 541004，China
2.School of Management Science and Engineering，Anhui University of Technology，Ma’anshan，Anhui 243000，China
3.College of Physics & Electronic Engineering，Guangxi Normal University，Guilin，Guangxi 541004，China

Received:2009-04-27 Revised:2009-12-17 Online:2011-01-11 Published:2011-01-11
Contact: HUANG Li

PSTCP：小缓存高速网络拥塞控制算法

黄莉^1，2，陈元琰¹，罗晓曙³，李鹏¹

1.广西师范大学计算机科学与信息工程学院，广西桂林 541004
2.安徽工业大学管理科学与工程学院，安徽马鞍山 243000
3.广西师范大学电子工程学院，广西桂林 541004

通讯作者: 黄莉

Abstract

Abstract: Focusing on the poor bandwidth utilization phenomenon of the current network congestion algorithm for small buffer in high speed network，the phenomenon of TCP mechanisms cause burstiness is studied，a new congestion control algorithm，PSTCP is proposed.Throughout the network connection process，the algorithm uses the“separated”idea of smoothing to sending，in the network congestion occurs，the sending window size is adjusted dynamically by changing the values of fair factor and reduction factor.Experiments show that PSTCP in a small buffer networks environment protects high bandwidth utilization，and has good convergence and fairness.

Key words: congestion control, small buffer, high bandwidth, fairness, convergence

摘要： 针对当前网络拥塞控制算法在极小缓存高速网络中带宽利用率差的问题，研究了TCP机制本身造成的突发流量现象，提出一种新的拥塞控制算法——PSTCP。在整个网络连接过程中，该算法采用“隔开”平滑发送的思想；在网络拥塞发生时，采用公平因子c和减少因子decrement对窗口进行实时微调。实验表明，PSTCP在小缓存区、高带宽网络环境下，保障了高的带宽利用率，有好的收敛性和公平性。

关键词: 拥塞控制, 小缓存区, 高带宽, 公平性, 收敛性

CLC Number:

TN915

HUANG Li^1，2，CHEN Yuanyan¹，LUO Xiaoshu³，LI Peng¹. PSTCP：Congestion control for small buffer high speed networks[J]. Computer Engineering and Applications, 2011, 47(2): 99-101.

黄莉^1，2，陈元琰¹，罗晓曙³，李鹏¹. PSTCP：小缓存高速网络拥塞控制算法[J]. 计算机工程与应用, 2011, 47(2): 99-101.

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PSTCP：Congestion control for small buffer high speed networks

PSTCP：小缓存高速网络拥塞控制算法

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