The Coordinator is used for our echo evaluation and implements
a barrier style synchronization mechanism for processes spread across the network.

Florian Fischer authored 4 years ago and Florian Schmaus committed 4 years ago

Modified-by: Florian Schmaus <flow@cs.fau.de>

The echo client established X connections and start the
echo phase after all sockets are connected.

Each client Fiber measures the time from sending the message until
receiving the echo.