UDP Socket: How to clear the buffer and ignore oldes messages

[Larz60+]

This post explains socket use pretty well, and also has sample code for building a message-based protocol.
This is something that your software has to provide.The packets that come over TCP/IP are not guaranteed
to come in order, and duplicate packets may arrive.

Read: http://stackoverflow.com/questions/17667...nt-of-data
Try their solution