Prof. Dr. Christian Rothenberg (UNICAMP), Coordinator of SMARTNESS 2030, presented a lecture on “15 Years of Software-Defined Networking (SDN): Quo Vadis, SDN?"* at the II Open Networks Training Workshop in Brasília. The talk explored SDN's evolution, current challenges, and future trends, including Intent-Based Networking (IBN) and AI-driven optimization, highlighting its impact on open and disaggregated networks.