Abstract
This paper presents a method for the economic analysis of induced costs during the operating cycle of a computer system. The economic model is superimposed on the homogeneous Markov model.Our work is concerned with evaluating the reduction in maintenance and outage costs as maintenance and disruption of service are assumed to be the main sources of the operating cost.The Cost Reduction Coefficient is introduced as a tool for the benefit analysis of two competing systems. A sensitivity study of cost reduction versus outage cost, maintenance delay, and inspection frequency is presented. A comparison between the two fault-tolerant (WSB and CSB) systems and the non-redundant (NR) system is made.
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