Journal
IEEE TRANSACTIONS ON RELIABILITY
Volume 56, Issue 1, Pages 148-157Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TR.2006.884599
Keywords
attacker's strategy; defense strategy; genetic algorithm; multi-state system; optimization; protection; separation; survivability; universal generating function
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This paper presents a generalized model of damage caused to a complex multi-state series-parallel system by intentional attack. The model takes into account the defense strategy that presumes separation and protection of system elements. The defense strategy optimization methodology is suggested, based on the assumption that the attacker tries to maximize the expected damage of an attack. An optimization algorithm is presented that uses a universal generating function technique for evaluating the losses caused by system performance reduction, and a genetic algorithm for determining the optimal defense strategy. Illustrative examples of defense strategy optimization are presented.
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