Abstract
As an efficient approach, the trust policy is implemented to defend against insider attacks in complex networks. However, the imperfection of trust relationships directly hinders the effort to quantitatively calculate trust value, especially in choosing a cooperative partner. Fortunately, the game theory is gradually concerned with addressing the above issue to further enhance security. In this paper, the game theory and the trust policy are reviewed briefly. Then, the research roadmap on game-based trust in complex networks is discussed and analysed deeply. Furthermore, some research directions in the near future are given. It is worth mentioning that our contributions not only describe the evolution of the game-based trust clearly but also suggest the trust mechanism based on the bounded rational game more suitable to uncertain information.
Highlights
With the rapid development of complex networks, many communication nodes are deployed to provide us a more convenient life
We suggest that the trust mechanisms based on bounded rational game theory can better adapt to such scenarios and deal with possible security risks
Under different scenarios and different levels of security requirements, it is a feasible idea to reasonably combine the concepts of zero trust and full trust with the trust evaluation policies based on bounded rational game theory
Summary
With the rapid development of complex networks, many communication nodes are deployed to provide us a more convenient life Those increasing communication nodes without any trust policy are risky. Systems do not earn trust through behaviours, but rather their capabilities to resist any attempt of malicious manipulations At this point, trusted systems are called secure. (ii) Trust mechanism based on the bounded rational game may be more suitable to ever-increasing uncertain information. E purpose of this paper is to summarize the research progress of game-based trust and discuss the feasible future direction. E rest of this paper is organized as follows: in Section 2, we introduce the development of the game theory with absolute rationality and bounded rationality.
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