Question

I have two my own applications on C++ and Java: server and client. It both in one LAN and can transfer data via specified port. I want to make it possible, that client can find IP of server. But how to?
Enumeration of all possible IP with address mask – bad idea, it will take a lot of time. May be exists some way, where I can send broadcast to lan from client and receive it in server? Or another way… I can’t find information about this, but I think that is possible, because I see it in MyPhoneExplorer on android, for example.

Answer 1

Why not using UDP broadcast?
the client can UDP broadcast “I am at x.x.x.x”, and the server can answer (in UDP) to the client, “I am at y.y.y.y”.