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Distefano, S., D. Bruneo, F. Longo, and M. Scarpa,  "Quantitative dependability assessment of distributed systems subject to variable conditions",  6th International Conference on Internet and Distributed Computing Systems (IDCS), vol. 8223 Lecture Notes in Computer Science, Hangzhou, China, 28-30 October 2013, Springer-Verlag, pp. 385-398, 2013.