You sure that’s the right link? The presentation slides link on that page didn’t seem related. Edit: n/m, watching the video made more sense. That said, it was

You sure that’s the right link? The presentation slides link on that page didn’t seem related. Edit: n/m, watching the video made more sense. That said, it wasn’t simply “adding the X Y coordinates”, the Christmas tree example didn’t use IPv6 or Ping, but I’m sure the process was likely similar. tl;dr They use a Microtik firewall which uses an rsyslog forwarder with an Arduino to control the Christmas lights.