Network flow classification based on the rhythm of packets

  • Authors:
  • Liangxiong Li;Fengyu Wang;Tao Ban;Shanqing Guo;Bin Gong

  • Affiliations:
  • School of Computer Science and Technology, Shandong University, Jinan, P.R. China;School of Computer Science and Technology, Shandong University, Jinan, P.R. China;Cybersecurity Laboratory, Network Security Research Institute, Tokyo, Japan;School of Computer Science and Technology, Shandong University, Jinan, P.R. China;School of Computer Science and Technology, Shandong University, Jinan, P.R. China

  • Venue:
  • ICONIP'11 Proceedings of the 18th international conference on Neural Information Processing - Volume Part II
  • Year:
  • 2011

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Abstract

Accurate traffic classification is a necessary means of network management, QOS, monitoring and so on. We find that each protocol's flows have their own packet-level rhythm on the statistical characteristics. In this paper we present a Bayesian network classification mechanism based on the flows' packet-level rhythm. However, the flows rhythm is always too scattered to bring into play its ability well in the Bayesian network, so we employ an Equal-width discretization method to centralize the rhythm and discretize the packet size and interval-time to some different space. Then we applied our classification model to the different discretization data set of HTTP, EDONKEY, BITTORRENT, FTP and AIM. Experiment results show that our approach can achieve better precision and recall rate for these applications.