Equity network flux detection method based on supporting vector machine
A technology of support vector machine and traffic detection, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., to achieve the effect of high recognition accuracy, clear system structure and easy deployment
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[0066] 1 training stage: Ξ 1 , Ξ 2
[0067] (1) Intercept network data packets from the network, and count the number of samples of P2P traffic and normal network traffic. Two types of sample sets Ξ are obtained 1 , Ξ 2 , and the number of samples is N 1 , N 2 , where Ξ 1Indicates the P2P traffic sample set, Ξ 2 Indicates the normal traffic sample set, N 1 Indicates the number of P2P traffic samples, N 2 Indicates the number of normal traffic samples.
[0068] (2) Perform feature processing on these known normal traffic data and P2P traffic data, convert them into digital vector form, and store them in the database as the basis for training the support vector machine.
[0069] (3) For P2P traffic, obtain the sample set Ξ according to the method of equal probability 3 , the number of samples in this sample set is N 1 'Satisfy N 1 '=N 2 ;
[0070] (4) According to the parameter search method of grid-search, determine the parameters C and γ of the support vector ma...
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