QL-CSFQ:A Queue Length Embedded Core-Stateless Fair Queue Algorithm

WANG Jian-xin; YANG Xiang; CHEN Jian-er

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QL-CSFQ:A Queue Length Embedded Core-Stateless Fair Queue Algorithm

更新时间：2025-07-16

- QL-CSFQ:A Queue Length Embedded Core-Stateless Fair Queue Algorithm
- Acta Electronica Sinica Vol. 35, Issue 4, Pages: 736-742(2007)
- 作者机构：
  
  1. 中南大学信息科学与工程学院,湖南,长沙,410083
  2. 武汉科技大学计算机科学与技术学院,湖北,武汉,430081
  3. 中南大学信息科学与工程学院湖南长沙,410083
  4. 武汉科技大学计算机科学与技术学院湖北武汉,430081
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Published：2007
- 稿件说明：
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WANG Jian-xin, YANG Xiang, CHEN Jian-er. QL-CSFQ:A Queue Length Embedded Core-Stateless Fair Queue Algorithm[J]. Acta Electronica Sinica, 2007, 35(4): 736-742.
DOI：

WANG Jian-xin, YANG Xiang, CHEN Jian-er. QL-CSFQ:A Queue Length Embedded Core-Stateless Fair Queue Algorithm[J]. Acta Electronica Sinica, 2007, 35(4): 736-742. DOI：

摘要

当存在适应流时

网络流量的测量值与实际值存在比较大的误差

这将严重影响CSFQ算法中公平共享速率

值的计算准确性

从而大大降低网络流之间的公平性.针对这一问题

本文提出了一种结合队列长度的CSFQ算法—QL-CSFQ.在QL-CSFQ算法中

采用结合队列长度状态信息来提高公平共享速率

值的计算准确性

从而有效提高了存在适应流情况下的网络流之间的公平性.大量模拟实验结果表明在存在适应流情况下QL-CSFQ有效消除了测量误差对算法公平性的影响

提高了网络流之间的公平性.

Abstract

In CSFQ

when there exist adaptive flows there will be error between the measurement value of throughput and its real value

furthermore the fairness is seriously degraded.To resolve the problem

the paper mainly studies that how to improve the accuracy of the computation of α value

and proposes a queue length embedded core-stateless fair queue algorithm (QL-CSFQ).In QL-CSFQ

the queue length is concerned to improve the accuracy of the computation of α value.The paper compares QL-CSFQ to CSFQ in fairness

utilization of bandwidth

the queue length and its jitter using large amount of simulations

and the results show that QL-CSFQ can decrease the impact of measurement error on the fairness.

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