Abstract
Operational analysis is a conceptually very simple way of deriving
mathematical equations relating measurable quantities in queueing
systems DB 78. In DC 92 the reader can find some nice examples
of how the application of operational analysis techniques can help
in explaining and proving fundamental results in queueing network
analysis. Here we apply operational analysis techniques to derive
linear equations and inequalities relating interesting performance
measures in timed Petri net models. The main conceptual difference
between queueing and Petri net models is the presence of a synchronization
primitive in the latter. New operational inequalities are derived
for synchronization elements that have no counterpart in operational
laws for queueing networks. In addition to the mathematical interest
of these derivations, the results can be immediately used for the
computation of performance bounds based on linear programming techniques.
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