Challenges of EA Methodologies Facing Progressive Decentralization in Modern Organizations

International audienceEnterprises with transparent boundaries, decentralized organizational structure, and constantly increasing requirements on IT flexibility, is a novel generation of organizations of 2020s. This paper elaborates on how the Enterprise Architecture (EA) can better support such organizations. We analyze three types of organizational structure: centralized, federated and decentralized. First, we identify the concepts that link organizational structure, IT Governance and EA. Then we use these concepts to identify conceptual problems related to IT decentralization, and to propose solutions. We illustrate our findings with a real case of a High Education organization in Sweden