MultiCast Messages to multiple clients on the same machine

Question

Im trying to write a server/service that broadcasts a message on the lan ever second or so, Kind of like a service discovery.

The message needs to be rece

Answer 1

RemObjects has a nice solution for this: ROZeroConf

Before that was available, I made something like that myself with TROBroadcastChannel of RemObjects SDK (based UDP and Indy). Inside that component, it calls TIdUDPBase.Broadcast to send and TIdUDPClient.ReceiveBuffer to receive responses.

(btw, UDP broadcast only works on the same network/subnet, ROZeroConf is a better solution)