Abstract :
Summary form only given. Most of the time, Model repositories are at best at the "project" scale. But what about models at a very large scale, such as a large federated company, or a worldwide cooperation for a system between an ecosystem of companies and partners? The cooperation cannot be in a centralized scheme (such as in a Client server mode, on a big database). Models need to be decentralized, federated, connected and decoupled at the same time. Depending on the participant´s expertise, models need to be filtered and presented differently. In a multi projects situation, model based projects need to be managed, and supported by a project portfolio view. This needs a new repository technology, not supported by traditional modeling tools. The model federation technology, called worldwide modeling, will be presented, with the Constellation model management solution on top of the Modelio tool. The issues and the solution will be presented, and a demo will show how Constellation solves the issues.
