基于随机博弈网的Ad Hoc网络安全评价与分析

发布时间：2018-01-31 03:40

本文关键词： Ad Hoc网络随机博弈网连续时间马尔科夫链安全评价与分析方法　出处：《东华大学》2014年硕士论文　论文类型：学位论文

【摘要】：随着Ad Hoc网络的发展,其安全问题受到了人们的广泛关注。近年来,国内外学者对Ad Hoc网络的安全策略进行了大量的研究,而在Ad Hoc网络的安全评价与分析方面的研究却寥寥无几。建立一种行之有效的Ad Hoc网络安全评价与分析方法可以为Ad Hoc网络安全策略的设计提供方向。本文提出了一种基于随机博弈网的Ad Hoc网络安全评价与分析方法。该方法通过构建Ad Hoc网络的攻防随机博弈网模型并计算得到纳什均衡策略,然后将模型转化为一个同构的连续时间马尔科夫链(CTMC),通过计算CTMC的稳态概率就可以对Ad Hoc网络的安全进行评价与分析。最后本文通过matlab对各项安全指标进行了数据仿真,实验结果表明：攻击成功概率与攻击响应时间只与Ad Hoc攻击行为的期望收益与攻击强度有关而与攻击速率无关；Ad Hoc网络系统的可靠性与Ad Hoc攻击行为的期望回报、攻击强度和攻击速率都有关。
[Abstract]:With the development of Ad Hoc network, people pay more and more attention to the security problem of Ad Hoc network. In recent years, scholars at home and abroad have done a lot of research on the security strategy of Ad Hoc network. However, there are few researches on the security evaluation and analysis of Ad Hoc network. The establishment of an effective method for Ad Hoc network security evaluation and analysis can be used as an effective method for Ad Hoc network security evaluation and analysis. The Hoc network security policy design provides the direction. In this paper, a method of security evaluation and analysis for Ad Hoc networks based on stochastic game nets is proposed. The method is based on the construction of Ad Hoc networks. The attack and defense stochastic game net model of Hoc network and the Nash equilibrium strategy are calculated. Then the model is transformed into an isomorphic continuous time Markov chain (CTMC). By calculating the steady-state probability of CTMC, the security of Ad Hoc network can be evaluated and analyzed. Finally, the data simulation of each security index is carried out by matlab. The experimental results show that the attack success probability and the attack response time are only related to the expected return of Ad Hoc attack behavior and the attack intensity, but not to the attack rate. The reliability of Ad Hoc network system is related to the expected return of Ad Hoc attack behavior, attack intensity and attack rate.
【学位授予单位】：东华大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TN929.5

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