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On the use of MTBDDs for performability analysis and verification of stochastic systems. (English) Zbl 1054.68018

Summary: This paper describes how to employ Multi-Terminal Binary Decision Diagrams (MTBDDs) for the construction and analysis of a general class of models that exhibit stochastic, probabilistic and non-deterministic behaviour. It is shown how the notorious problem of state space explosion can be circumvented by compositionally constructing symbolic (i.e. MTBDD-based) representations of complex systems from small-scale components. We emphasise, however, that compactness of the representation can only be achieved if heuristics are applied with insight into the structure of the system under investigation. We report on our experiences concerning compact representation, performance analysis and verification of performability properties.

MSC:

68M20 Performance evaluation, queueing, and scheduling in the context of computer systems
68Q85 Models and methods for concurrent and distributed computing (process algebras, bisimulation, transition nets, etc.)

Software:

PRISM; CUDD; LOTOS
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Full Text: DOI

References:

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