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Dependability modeling using Petri-nets

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2 Author(s)
M. Malhotra ; AT&T Bell Labs., Holmdel, NJ, USA ; K. S. Trivedi

This paper describes a methodology to construct dependability models using generalized stochastic Petri nets (GSPN) and stochastic reward nets (SRN). Algorithms are provided to convert a fault tree (a commonly used combinatorial model type) model into equivalent GSPN and SRN models. In a fault-tree model, various kinds of distributions can be assigned to components such as defective failure-time distribution, nondefective failure-time distribution, or a failure probability. The paper describes subnet constructions for each of these different cases, and shows how to incorporate repair in these models

Published in:

IEEE Transactions on Reliability  (Volume:44 ,  Issue: 3 )