A new TCP/AQM system analysis

被引：33

作者：

Xu, Qin ^{[1
]}

Li, Fan ^{[2
]}

Sun, Jinsheng ^{[3
]}

Zukerman, Moshe ^{[2
]}

机构：

[1] Jinling Inst Technol, Sch Network & Commun Engn, Nanjing, Jiangsu, Peoples R China

[2] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China

[3] Nanjing Univ Sci & Technol, Dept Automat, Nanjing, Jiangsu, Peoples R China

来源：

JOURNAL OF NETWORK AND COMPUTER APPLICATIONS | 2015年 / 57卷

基金：

中国国家自然科学基金;

关键词：

MGT fluid model; Control system; Networking; Congestion control; TCP/AQM; ACTIVE QUEUE MANAGEMENT; ADAPTIVE VIRTUAL QUEUE; TCP; MODEL; ALGORITHM; NETWORKS; DESIGN;

D O I：

10.1016/j.jnca.2015.07.004

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

The Misra, Gong and Towsley (MGT) fluid model for Transmission Control Protocol (TCP) has been used extensively to guide designs of Active Queue Management (AQM) schemes aiming to alleviate adverse effects of Internet congestion. In this paper, we provide a new analysis of a TCP/AQM system that aims to improve the accuracy of the MGT fluid model especially in heavy traffic conditions. The analysis is based on the consideration of two extreme congestion scenarios that leads to the derivation of upper and lower bounds for the queue length and marking probability dynamics and showing that they approach each other in steady state. Both discrete and continuous time models are provided. Simulation results demonstrate that the new model achieves a significantly higher level of accuracy than a simplified version of the MGT fluid model. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：43 / 60

页数：18

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