互联网安全性能优化评估数学建模仿真研究

发布时间：2018-08-22 10:04

【摘要】：对互联网安全性能进行优化评估,可以保证互联网用户的信息安全。进行性能评估时,需要组建互联网安全性能量化评估数学模型进行量化评估,但是采用当前模型进行量化评估时,无法获取网络安全性能量化指标,存在安全性能量化评估误差大的问题。提出一种基于随机博弈的互联网安全性能优化评估数学建模方法。上述模型先利用随机博弈原理将网络攻击的动态博弈过程分为抵抗、检测、容忍生存三个不同的阶段,提取网络威胁和用户行为特征,组建基于随机博弈的三方博弈矩阵,依据网络动态变换状态计算三方收益,并对网络中每个节点的瞬时行为进行建模,模拟网络故障后的生存状态转移过程,计算当前网络的稳态概率和故障恢复概率,利用丢包率作为衡量网络安全性能的性能指标,组建互联网安全性能量化评估模型。仿真结果表明,所提模型可以对互联网安全性能进行较为全面的量化评估。
[Abstract]:Internet security performance can be optimized to ensure the information security of Internet users. It is necessary to set up a mathematical model to evaluate the performance of Internet security. However, when the current model is used for quantitative evaluation, the quantitative index of network security performance can not be obtained. There is the problem of large error in quantitative evaluation of safety performance. This paper presents a mathematical modeling method for optimizing and evaluating Internet security performance based on stochastic game. Firstly, the dynamic game process of network attack is divided into three stages: resistance, detection and tolerance by using the stochastic game theory. The network threat and user behavior characteristics are extracted, and a three-party game matrix based on stochastic game is established. According to the dynamic transformation state of the network, the three-way income is calculated, and the instantaneous behavior of each node in the network is modeled, the survival state transition process after the network fault is simulated, and the steady-state probability and the fault recovery probability of the current network are calculated. Using packet loss rate as the performance index to evaluate the network security performance, a quantitative evaluation model of Internet security performance is established. The simulation results show that the proposed model can evaluate the performance of Internet security in a more comprehensive way.
【作者单位】：天津师范大学初等教育学院;
【分类号】：TP393.08

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