Conclusion

We hope to have convinced our readers by the end of this dossier of the simplicity, flexibility and modeling power of Petri nets.

Today, most of the grievances that some may have had against them have been all but swept aside when compared with other modeling techniques:

• there is no real difficulty in implementation as long as very simple principles of modular modeling and documentation are systematically applied;

• understanding the models is greatly simplified thanks to the graphical format, which allows information to be presented in an extremely relevant way;

• the difficulties of burn-in are reduced by the adoption of the above precepts, combined with step-by-step simulation, which allows the analyst to check manually and immediately the result of...