This article describes the experience and deliverables of a research supported and sponsored by Serasa Experian as part of its program for incentive of academic research. The aim of this project was to introduce the event driven architecture story to the company and how it extends the service-oriented architecture. In order to achieve this main objective, a real use case of an event-based system based on corporate scenarios at Serasa Experian was modeled and implemented using an integrated

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... opment environment (IDE) that is part of this research. This IDE based on Eclipse offers support for development of distributed event-based systems and has visual editors for modeling and specification of these systems. The use case was also deployed on a controlled runtime environment also described in this article, so its execution and the deployment effort could be simulated and tested. This paper presents the contributions of this experience of implementing a real corporate event flow and how this opportunity influenced this work. Keywords event-based systems, service oriented architecture, software engineering, behavioral modeling, reactive components, distributed computing Acknowledgments: The authors would like to thank Serasa Experian and all of its associates who contributed to this study and research. We are especially grateful to Djalma Padovani and Luciana Portela for their collaboration during the regular meetings and for providing relevant information for the completion of this work.