Abstract

UltraSAN is a software package for model-based evaluation of systems represented as stochastic activity networks (SANs). SANs incorporate features of both stochastic Petri nets and queueing models, where parameters in a model such as case distributions, activity times, state transition rules, and reward variables can be marking dependent. Users may build SAN models using an X-Windows based user interface and choose from a variety of analytic and simulation modules for transient and steady state performance, dependability, and performability measures. Furthermore, the tool facilitates graphical representation of the results obtained by its report generator.

Full Text
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