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Reliability Modeling of a Server System Connected with the Network

In: Reliability Analysis and Maintenance Optimization of Complex Systems

Author

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  • Mitsuhiro Imaizumi

    (Aichi Gakusen University)

Abstract

We survey reliability models of a server system connected with the Internet, and treat several stochastic models. It is important to detect cyber attacks in the early stage. However, when the number of checks increases, the total cost of the checking increases. That is, if the check is performed frequently, the overhead of system processing becomes larger. Therefore, in terms of monitoring, it is necessary to perform checking under appropriate management policy. In this chapter, we formulate stochastic models in which the nth attack causes damage to a server system. Moreover, we formulate stochastic models in which attacks cause small damage and big damage. Furthermore, we modify these models considering two different types of attacks and non-linear parameter. In these models, expected costs until cyber attacks are detected are derived. Further, optimal policies which minimize them are discussed. Finally, numerical examples are given.

Suggested Citation

  • Mitsuhiro Imaizumi, 2025. "Reliability Modeling of a Server System Connected with the Network," Springer Series in Reliability Engineering, in: Qian Qian Zhao & Il Han Chung & Junjun Zheng & Jongwoon Kim (ed.), Reliability Analysis and Maintenance Optimization of Complex Systems, pages 21-33, Springer.
    • Handle: RePEc:spr:ssrchp:978-3-031-70288-4_2
    DOI: 10.1007/978-3-031-70288-4_2
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