Method for recognizing P2P network flow based on transport layer characteristics

A P2P network and traffic identification technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problems of low efficiency and accuracy, and achieve the effect of low system overhead

Inactive Publication Date: 2008-10-08
苏州赛博网垠信息科技发展有限公司
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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of low efficiency and accuracy in the existing P2P network tr

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  • Method for recognizing P2P network flow based on transport layer characteristics
  • Method for recognizing P2P network flow based on transport layer characteristics
  • Method for recognizing P2P network flow based on transport layer characteristics

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] see figure 1 , the data packet acquisition module of the present invention is used to acquire the monitored network data packets, and store the transport layer characteristics of the data packets in the corresponding bidirectional network flow records in the bidirectional network flow table according to the definition of bidirectional network flow in this paper. The timing update module is used to regularly update the bidirectional network flow table, output the corresponding results for bidirectional network flows that have no data packets entering or leaving within the specified time threshold T, and clear the bidirectional network flow records.

[0023] The P2P feature template library stores feature sequences of various monitored P2P application two-way network stream transport layers, and provides feature sequence templates to the feature matching...

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Abstract

A P2P network flow identification method based on the character of transport layer extracts the character of P2P application in the transport layer by analyzing the data packet generated by the P2P application, and realizes the P2P application identification according to the character of the transport layer. The method only uses the character information of the several front data packets of the network flow to realize the effective identification of P2P application at network flow establishing initial stage and effectively realize the control of P2P application. Synchronously, the method only uses two characters of data packet direction and data packet message length of eth transport layer; the method is simple and convenient; the method has little system cost without analyzing and detecting the data packet load and realizes the real-time on-line application.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a method for identifying P2P network traffic based on transport layer characteristics. Background technique [0002] The P2P (Peer to Peer) network structure is a peer-to-peer network structure, and each node in the P2P network has the same rights and obligations. It has completely changed the traditional client / server model, that is, the network is centered on the server, all kinds of resources are concentrated on the server, and the client is connected to the server through the network to retrieve, download, upload data or request calculation. However, there is no central node (or central server) in the P2P network structure, and each node (Peer) plays two roles of information consumer and information provider at the same time. With its parallel transmission characteristics, P2P technology provides users with convenient and high-quality user experience, and new P2P applic...

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Application Information

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IPC IPC(8): H04L29/06H04L12/56H04L47/27
Inventor 管晓宏王平辉秦涛
Owner 苏州赛博网垠信息科技发展有限公司
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