In 6G-XCEL Plenary meeting hosted on Sept 30-Oct 1 in WINLAB Rutgers University , team discussed on the Research Infrastructure and open testbeds: CCI xG, COSMOS at WINLAB, Patras5G, “Connected Antwerp: NextG Open, Smart Highway, and Citylab testbed” and OpenIreland. Teams highlighted the need for a future-proof resilient design of the Decentralized Multi-party Multi-network AI controller aka DMMAI using open interfaces, intent-based testbeds which are developed beyond 5G Test facilities and scientific instruments as well as the emphasis which must be put on Data and Testbeds usability and reproducibility.