A multi-thread risk selection method for network intrusion multimedia packets based on genetic algorithm

A technology of network intrusion and genetic algorithm, which is applied in the field of multi-thread risk selection of network intrusion multimedia packets based on genetic algorithm, and can solve the problems of inability to select risk factors of multimedia data packets, etc.

Inactive Publication Date: 2018-05-15
XI'AN POLYTECHNIC UNIVERSITY
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Problems solved by technology

[0004] The purpose of the present invention is to provide a multi-thread risk selection method for network intrusion multimedia packets based on genetic algorithm, which solves the problem that the network intrusion detection system in the prior art cannot select risks according to the risk coefficient of multimedia data packets.

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  • A multi-thread risk selection method for network intrusion multimedia packets based on genetic algorithm
  • A multi-thread risk selection method for network intrusion multimedia packets based on genetic algorithm
  • A multi-thread risk selection method for network intrusion multimedia packets based on genetic algorithm

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Embodiment Construction

[0039] The present invention will be described in detail below in combination with specific embodiments.

[0040] A kind of genetic algorithm-based multi-thread risk selection method for network intrusion multimedia packets of the present invention is specifically implemented according to the following steps:

[0041] Step 1. Individual code:

[0042] When using the genetic algorithm, chromosome coding is required, and the chromosome coding method is defined as follows:

[0043] Let the numbers of k threads be T 1 , T 2 , T 3 ,... T k ,(k≤n), if n multimedia data packets are to be loaded into these k threads, each data packet P i (i=1,2,...,n) The order arrangement that the numbering of loaded thread constitutes just constitutes chromosome coding, promptly what use is the character code coding method of equal length, for example: put n multimedia data packets P i (i=1,2,...,n) loaded by T 1 , T 2 , T 3 ,... T k Among the k threads formed, n multimedia data packets P ...

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Abstract

The invention discloses a network intrusion multimedia packet multi-thread danger selection method based on a genetic algorithm. The method is concretely implemented according to the following steps of: 1, individual coding; 2, initialization; 3, fitness value evaluation detection; 4, selection operation; 5, crossover operation; 6, mutation operation; 7, circulation and termination condition judgment; and 8, multimedia data packet distribution for threads. The method solves the problem that in the prior art, a network intrusion detection system cannot realize the danger selection processing according to the danger coefficient of multimedia data packets.

Description

technical field [0001] The invention belongs to the technical field of network security, and in particular relates to a multi-thread risk selection method for network intrusion multimedia packets based on a genetic algorithm. Background technique [0002] In recent years, the international and domestic network security fields have been full of gunpowder, and network security accidents have been exposed frequently. As an effective means of protection, the network intrusion detection system can quickly detect the occurrence of network attacks. However, with the improvement of network speed, the network intrusion detection system Packet loss and missed detection often occur due to too late detection. When missed detection is inevitable, how to minimize the risk is an urgent problem to be solved. [0003] With the improvement of network speed, the proportion of multimedia data packets in network traffic is increasing, because there are many types of multimedia information, and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/55G06N3/12
CPCG06F21/55G06N3/126
Inventor 赵旭薛涛江晋
Owner XI'AN POLYTECHNIC UNIVERSITY
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