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Network optimal defense strategy selection method and device based on bounded rational game theory

A strategic and rational technology, applied in the field of network security, can solve problems such as whether the complete rationality of participants is in line with the reality of network attack and defense, and achieve the effect of enhancing dynamic analysis and situation prediction capabilities, and enhancing versatility and operability

Active Publication Date: 2018-11-16
PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU +1
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Problems solved by technology

At present, the common network defense strategy selection based on game theory is based on the premise of complete theoretical assumptions of offensive and defensive players, without considering whether the complete rationality of the participants is in line with the reality of network attack and defense

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  • Network optimal defense strategy selection method and device based on bounded rational game theory
  • Network optimal defense strategy selection method and device based on bounded rational game theory
  • Network optimal defense strategy selection method and device based on bounded rational game theory

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Embodiment Construction

[0040] In order to make the objectives, technical solutions and advantages of the present invention clearer and more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and technical solutions. The technical terms involved in the embodiment are as follows:

[0041] Evolutionary Game Theory (Evolutionary Game Theory): Derived from Darwin's biological evolution theory, inherited the biological theory of species evolution, starting from the condition of individual bounded rationality, taking group behavior as the research object, explaining the development process and evolution of biological species The selection explains the evolutionary game process of biological behavior. Through long-term trial and error, imitation, and improvement, all game players will tend to a stable strategy, which may be stable for a long time in the group organization. This stable strategy equilibrium is very similar to the evolutio...

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Abstract

The invention belongs to the technical field of network security and particularly relates to a network optimal defense strategy selection method and device based on a bounded rational game theory. Themethod comprises the following steps: constructing an offensive and defensive game model in a bounded rational situation according to the bounded rationality of the actual offensive and defensive sides; a random optimal reaction dynamic differential equation of a participant selection strategy is established by setting a participant rationality degree parameter in combination with an offensive and defensive game strategy set and according to historical data; the two simultaneous offensive and defensive parties are treated as the random optimal reaction dynamic differential equation of the participant; and an optimal defense strategy is determined and output by solving and screening a stable equilibrium point. Compared with the method of only giving an equilibrium solution and not analyzing the Nash equilibrium formation process, the network optimal defense strategy selection method and device based on bounded rational game theory in the present invention analyze the dynamic evolutionprocess of the bounded rational evolution game equilibrium, and the utility and the guiding significance are stronger when being applied to network defense decision; the dynamic analysis efficiency ofstrategy selection can be improved; and the network security performance is further improved.

Description

Technical field [0001] The invention belongs to the technical field of network security, and particularly relates to a method and device for selecting network optimal defense strategies based on bounded rational game theory. Background technique [0002] As network information systems become more complex and large-scale, security attacks have become more diverse, and the antagonism and strategic dependence of both offensive and defensive network security makes it difficult to select the optimal defense strategy. How to compromise defense costs and benefits according to different attack intensities, and achieve active defense under moderate security conditions, has become one of the main challenges facing network security. Game theory is a decision theory that studies the direct interaction of behaviors between decision-making subjects, and can be effectively used to guide the selection of optimal defense strategies. At present, the selection of common network defense strategies ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/20
Inventor 胡浩刘玉岭张玉臣汪永伟张红旗蔡佳晔张任川马蕾
Owner PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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