编码TCP的建模与性能分析

张三峰; 李爽; 蓝翔; 胡永东

doi:10.3969/j.issn.1000-436x.2013.11.013

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编码TCP的建模与性能分析

学术论文

- 编码TCP的建模与性能分析
- Modeling and analyzing for network coded TCP
- 通信学报 2013年34卷第11期页码：112-120
- 作者机构：
  
  1. 东南大学计算机科学与工程学院，江苏南京 211189
  2. 东南大学计算机网络和信息集成教育部重点实验室，江苏南京 211189
- 作者简介：
  
  [ "张三峰（1979-），男，山东金乡人，东南大学讲师，主要研究方向为网络编码、无线mesh网络、机会网络等。" ]
  [ "李爽（1991-），女，河南新蔡人，东南大学学生，主要研究方向为网络编码、无线mesh网络等。" ]
  [ "蓝翔（1993-），男，江苏扬州人，东南大学学生，主要研究方向为网络编码、无线mesh网络等。" ]
  [ "胡永东（1973-），男，安徽宿松人，东南大学博士生，主要研究方向为无线网络、网络服务质量保证、网络性能分析等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61300200);江苏省自然科学基金资助项目(BK2011335)
- DOI：10.3969/j.issn.1000-436x.2013.11.013
  中图分类号： TP393
- 网络出版日期：2013-11，
  
  纸质出版日期：2013-11-25
- 稿件说明：
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张三峰, 李爽, 蓝翔, 等. 编码TCP的建模与性能分析[J]. 通信学报, 2013,34(11):112-120.

San-feng ZHANG, Shuang LI, Xiang LAN, et al. Modeling and analyzing for network coded TCP[J]. Communication journal, 2013, 34(11): 112-120.
张三峰, 李爽, 蓝翔, 等. 编码TCP的建模与性能分析[J]. 通信学报, 2013,34(11):112-120. DOI： 10.3969/j.issn.1000-436x.2013.11.013.

San-feng ZHANG, Shuang LI, Xiang LAN, et al. Modeling and analyzing for network coded TCP[J]. Communication journal, 2013, 34(11): 112-120. DOI： 10.3969/j.issn.1000-436x.2013.11.013.

摘要

研究了无线网络端到端分组丢失和编码纠错对TCP协议工作过程的影响机制，基于三维Markov链建模描述TCP拥塞窗口和可用窗口的变迁过程，在忽略慢启动阶段的条件下，以最大窗口尺寸、端到端分组丢失率和编码冗余系数为输入参数，通过数值计算求解编码TCP的吞吐率，据此定量分析影响编码TCP性能的因素。基于NS2的模拟实验结果表明基于Markov链的数值计算结果具有较高的准确度。

Abstract

The evolutionary process of network coded TCP against lossy links and error correcting coding were analyzed. Ignoring the slow start phase

the state transition process of congestion window and available window was described based on a three-dimension Markov chain model. With maximum window size

end-to-end packet loss rate and redun-dancy factor as input parameters

throughput of network coded TCP was calculated to carry quantitative analysis of fac-tors affecting the network coded TCP performance in the numerical analysis model. Simulation results based on the NS2 simulator show that the numerical analysis model achieves fairly high accuracy.

关键词

Keywords

references

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NS2 [EB/OL ] . http://www.isi.edu/nsnam/ns/ http://www.isi.edu/nsnam/ns/ , 2013 .

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