| 基于CAS的分布式系统信任模型仿真分析方法 |
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| 引用本文： | 范涛,张明清,刘小虎,程建.基于CAS的分布式系统信任模型仿真分析方法[J].信息工程大学学报,2014,15(4):492-498. |
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| 作者姓名： | 范涛 张明清 刘小虎 程建 |
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| 作者单位： | 信息工程大学,河南郑州450001 |
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| 摘 要： | 针对当前分布式系统信任模型的仿真分析局限于特定应用环境,忽略系统层次之间多样性的问题,引入系统科学中复杂适应系统（CAS）理论的仿真分析方法.由仿真运行建立微观与宏观联系的思路入手,首先分析了分布式系统信任模型的CAS特性,提出基于CAS的信任模型仿真分析框架和步骤方法;其次由清晰的微观层面入手,抽象出分布式系统信任模型普遍的微观机制,并结合系统宏观考虑,给出信任模型的宏观约束;最后通过仿真运行的手段,采用控制变量法改变仿真中的运行参数,分析系统的宏观变化.仿真实例验证了该仿真分析方法的有效性.
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| 关 键 词： | 仿真分析 信任模型 微观机制 宏观约束 |
Simulation Analyzing Approach Based on CAS for Trust Model in Distributed Systems |
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| FAN Tao,ZHANG Ming-qing,LIU Xiao-hu,CHENG Jian.Simulation Analyzing Approach Based on CAS for Trust Model in Distributed Systems[J].Journal of Information Engineering University,2014,15(4):492-498. |
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| Authors: | FAN Tao ZHANG Ming-qing LIU Xiao-hu CHENG Jian |
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| Affiliation: | (Information Engineering University, Zhengzhou 450001, China) |
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| Abstract: | Simulation analyzing approach for current trust models in distributed systems is limited to a particular application environment, and ignors the diversity between the system levels, which is addressed in this paper by introducing a simulation analyzing approach of complex adaptive system （CAS） theory in system science. Beginning with the establishment of the contact from micro level to macro level by simulation, this paper firstly analyzes the CAS characteristics of trust models in distributed systems, puts forward a trust model simulation analysis framework and procedure based on CAS. Secondly, from the clear micro level, it abstracts the universal macro features of trust models in distributed systems, combines the system macro features, and nalyzes the trust model macro constraints. Finally, by running the simulation model, the method of control variables is used to change the micro parameters and analyze macro changes of the system. Simulation results verify the effec tiveness of the simulation analyzing approach. |
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| Keywords: | CAS simulation alalyzing trust model micro mechanism macro constraint |
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