信息系统安全性的维护周期与耗费成本

doi:10.3778/j.issn.1002-8331.2008.26.027

计算机工程与应用 ›› 2008, Vol. 44 ›› Issue (26): 88-89.DOI: 10.3778/j.issn.1002-8331.2008.26.027

信息系统安全性的维护周期与耗费成本

任伟峰¹,方勇¹,吴少华¹,席茂军¹,吴朋²

1.四川大学电子信息学院，成都 610064
2.四川大学计算机学院，成都 610064

收稿日期:2008-03-31 修回日期:2008-06-12 出版日期:2008-09-11 发布日期:2008-09-11
通讯作者: 任伟峰

Maintenance cycle and expenses cost of information system security

REN Wei-feng¹,FANG Yong¹,WU Shao-hua¹,XI Mao-jun¹,WU Peng²

1.College of Electronics and Information Engineering，Sichuan University，Chengdu 610064，China
2.College of Computer Science，Sichuan University，Chengdu 610064，China

Received:2008-03-31 Revised:2008-06-12 Online:2008-09-11 Published:2008-09-11
Contact: REN Wei-feng

摘要/Abstract

摘要： 提出信息系统安全性概率降低趋势的马尔柯夫模型，并对随安全性概率降低的耗费增量函数进行了描述和分析，综合得出了维护成本与维护周期的定量关系，进而推导出系统检测维护的最佳周期。

关键词: 安全性概率, 马尔柯夫模型, 定量关系, 维护周期, 耗费成本

Abstract: This issue builds a Markov model of security probability’s decreasing trend，and describes and analyzes the incremental cost function，at last，deduces the quantitative relation between expenses cost and maintenance cycle.It is concluded that the most appropriate maintenance cycle for network information system from the quantitative relationship and the cycle reduce the expenses cost to a minimum.

Key words: security probability, Markov model, quantitative relationship, maintenance cycle, expenses cost

任伟峰¹,方勇¹,吴少华¹,席茂军¹,吴朋². 信息系统安全性的维护周期与耗费成本[J]. 计算机工程与应用, 2008, 44(26): 88-89.

REN Wei-feng¹,FANG Yong¹,WU Shao-hua¹,XI Mao-jun¹,WU Peng². Maintenance cycle and expenses cost of information system security[J]. Computer Engineering and Applications, 2008, 44(26): 88-89.

信息系统安全性的维护周期与耗费成本

Maintenance cycle and expenses cost of information system security

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