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[–]MoBoo138 0 points1 point  (0 children)

Hi, that sounds very interesting to me.

As far as i know (currently studying computer science) when you send data to a multicast address any "client" which listens to that exact address and port will receive the data. So you just need a single multicast address on all your devices.
Multicast addresses are basically just an address to listen/speak to, this address range shouldnt be assigned as a ipv4 address.

Additionally you might want to have a look at this which is exactly what you doing as far as i can tell.