Correlation dimension based nonlinear analysis of network traffics with different application protocols

This paper uses a correlation dimension based nonlinear analysis approach to analyse the dynamics of network traffics with three different application protocols-HTTP, FTP and SMTP. First, the phase space is reconstructed and the embedding parameters are obtained by the mutual information method. Sec...

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Bibliographic Details
Published inChinese physics B Vol. 20; no. 5; pp. 174 - 178
Main Author 王俊松 袁静 李强 袁睿翕
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.05.2011
Subjects
Correlation analysis
Dynamic tests
File servers
HTTP
Networks
Nonlinear dynamics
Protocol (computers)
SMTP协议
Traffic engineering
Traffic flow
关联维数
应用协议
网络流量
重构相空间
非线性分析方法
非线性动力学
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Summary:This paper uses a correlation dimension based nonlinear analysis approach to analyse the dynamics of network traffics with three different application protocols-HTTP, FTP and SMTP. First, the phase space is reconstructed and the embedding parameters are obtained by the mutual information method. Secondly, the correlation dimensions of three different traffics are calculated and the results of analysis have demonstrated that the dynamics of the three different application protocol traffics is different from each other in nature, i.e. HTTP and FTP traffics are chaotic, furthermore, the former is more complex than the later; on the other hand, SMTP traffic is stochastic. It is shown that correlation dimension approach is an efficient method to understand and to characterize the nonlinear dynamics of HTTP, FTP and SMTP protocol network traffics. This analysis provided insight into and a more accurate understanding of nonlinear dynamics of internet traffics which have a complex mixture of chaotic and stochastic components.
Bibliography:application protocol, network traffic, correlation dimension, chaos
Wang Jun-Song,Yuan Jing,Li Qiang,Yuan Rui-Xi a） School of Biomedical Engineering, Tianjin Medical University, Tianjin 300070, China b） Department of Automation, Tsinghua University, 13eijing 100084, China
This paper uses a correlation dimension based nonlinear analysis approach to analyse the dynamics of network traffics with three different application protocols-HTTP, FTP and SMTP. First, the phase space is reconstructed and the embedding parameters are obtained by the mutual information method. Secondly, the correlation dimensions of three different traffics are calculated and the results of analysis have demonstrated that the dynamics of the three different application protocol traffics is different from each other in nature, i.e. HTTP and FTP traffics are chaotic, furthermore, the former is more complex than the later; on the other hand, SMTP traffic is stochastic. It is shown that correlation dimension approach is an efficient method to understand and to characterize the nonlinear dynamics of HTTP, FTP and SMTP protocol network traffics. This analysis provided insight into and a more accurate understanding of nonlinear dynamics of internet traffics which have a complex mixture of chaotic and stochastic components.
11-5639/O4
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ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/20/5/050506