<!--Début du contenu @xml:lang="en"--> ?This article aims at analysing the mechanisms by which a large Research Infrastructure, here a synchrotron, co-constructs the ecosystem to which it belongs and uses it in order to sustain and feed its own evolution dynamics. Our analysis relies on the study of the French synchrotron SOLEIL. We...

<!--Début du contenu @xml:lang="en"--> ?Innovation strategies are played both in adapting products to the laws of competition and in the new architecture of value that transform business models. Boldness in external cooperation and linking knowledge disjoint form the basis of these new strategies.? <!--Fin du contenu @xml:lang="en"-->