ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange |
1 | initial version |
Yes; connections between publishers and subscribers are peer-to-peer, and each message is sent to each subscriber separately.
The relay node can be used to subscribe to a topic and re-publish it with a new name; you can run this on your server and then make any local nodes subscribe to the republished topic so that your image data only moves over wifi once.