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
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[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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