Thank you very much, but you probably didn’t really understand what I meant. Let’s reorganize our thinking:
A game (Room) is composed of multiple clients (Players) and a dedicated server. The dedicated server is located on a cloud server. What we need to do is organize a group of clients to connect to a dedicated server to start the game. Lobby Interface of EOS can organize a group of clients. After these clients are ready, we need to notify the cloud server in some way, and then the cloud server starts a dedicated server. The cloud server then returns the port to clients in some way (with a fixed IP), and then these clients can connect to the dedicated server. The reason we do this is because there are many rooms, which means many games, so a cloud server needs to create many dedicated servers, and the ports are not unique.