DEEM: A Tool for the Dependability Modeling and Evaluation of Multiple Phased Systems

  • Authors:
  • Andrea Bondavalli;Ivan Mura;Silvano Chiaradonna;R. Filippini;S. Poli;F. Sandrini

  • Affiliations:
  • -;-;-;-;-;-

  • Venue:
  • DSN '00 Proceedings of the 2000 International Conference on Dependable Systems and Networks (formerly FTCS-30 and DCCA-8)
  • Year:
  • 2000

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Abstract

Multiple-Phased Systems, whose operational life can be partitioned in a set of disjoint periods, called 驴phases驴; include several classes of systems such as Phased Mission Systems and Scheduled Maintenance Systems. Because of their deployment in critical applications, the dependability modeling and analysis of Multiple-Phased Systems is a task of primary relevance. However, the phased behavior makes the analysis of Multiple-Phased Systems extremely complex. This paper is centered on the description and application of DEEM, a dependability modeling and evaluation tool for Multiple Phased Systems. DEEM supports a powerful and efficient methodology for the analytical dependability modeling and evaluation of Multiple Phased Systems, based on Deterministic and Stochastic Petri Nets and on Markov Regenerative Processes.