International Society of Science and Applied Technologies |
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A Two-Stage Policy for a Server System With Illegal Access | ||||
Author | Mitsuhiro Imaizumi
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Co-Author(s) | Mitsutaka Kimura
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Abstract | As the Internet technology has developed, the demands for the improvement of the reliability and security of the system connected with the Internet have increased. Although various services are performed on the Internet, illegal access on the Internet has become a problem in recent years. This paper formulate a stochastic model for a system with illegal access. The server has the function of IDS, and illegal access is checked in two stages which consist of simple check and detailed check. We apply the theory of Markov renewal processes to a system with illegal access, and derive the mean time and the expected checking number until a server system becomes faulty. Further, an optimal policy with minimizes the expected cost is discussed. Finally, a numerical example is given.
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Keywords | Two-stage policy, Illegal access, Markov renewal process, Optimal policy | |||
Article #: 23-176 |
August 3-5, 2017 - Chicago, Illinois, U.S.A. |