Symmetric Stochastic Well-Formed Colored Nets and Modeling Applications
Giovanni Chiola, C. Dutheillet, G. Franceschinis, Serge Haddad · 1993
Abstruct- The class of stochastic well-formed colored nets (SWN’s) was defined as a syntactic restriction of stochastic highlevel nets. The interest of the introduction of restrictions in the model definition is the possibility of exploiting the symbolic reachability graph (SRG) to reduce the complexity of Markovian performance evaluation with respect to classical Petri net techniques. It turns out that SWN’s allow the representation of any color function in a structured form, so that any unconstrained high-level net can be transformed into a wellformed net. Moreover, most constructs useful for the modeling of distributed computer systems and architectures directly match the “well-formed” restriction, without any need of transformation. A nontrivial example of the usefulness of the technique in the performance modeling and evaluation of multiprocessor architectures is included.