You're looking at the wrong technology then. Dbus is aimed very much at local use and Unix socket connections which authenticate the processes sending messages.

You're looking at the wrong technology then. Dbus is aimed very much at local use and Unix socket connections which authenticate the processes sending messages. It's not an obsolete assumption for dbus because that's all it does / where it's needed. You need something different for your plans. Maybe look at zeromq for example? Or redis? Or some other pubsub stuff?