But even if I use different topics somebody can start a subscription by mistake and kill the wifi. The solution I am thinking of is: - Use namespace topics inside the robot - For all inter robot communication use topics without namespace I then just have to trust that nobody subscribes on the namespace topics between robots. What I wantes was a techical way to make it impossible. --- [Visit Topic](https://discourse.ros.org/t/restricting-communication-between-robots/2931/5) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: