The OASU Data Center (CeDONA) is a federative structure between the various laboratories and teams of the OASU. Its structuring role reinforces, through the sharing of technologies and skills, the national and international visibility of projects in teams. Its structure and organization ensure the cohesion of services. Its goal is to meet international standards for data availability, to provide value-added services on these data, to enroll in national and international infrastructures, for the thematic areas addressed in the OASU teams. The OASU Data Center allows the exploitation of the data produced by the research of its components.