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I've been wondering the same. I would borrow network terminologies. Correct me if wrong:

topic - UDP broadcast service - TCP broadcast actionlib - TCP multicast

I've been wondering the same. I would borrow network terminologies. Correct me if wrong:

  1. topic - UDP broadcast broadcast
  2. service - TCP broadcast broadcast
  3. actionlib - TCP multicast

I've been wondering the same. I would borrow network terminologies. Correct me if wrong:

  1. topic - UDP broadcast (any node can receive, no connection b/w server established)
  2. service - TCP broadcast (any node can receive, connection b/w server established)
  3. actionlib - TCP multicastmulticast (node needs special assignments to receive, connection b/w server established)