Lpc2000

> http://www.cs.wustl.edu/~schmidt/ACE.html
>
> I personally have not used UDP for comms, I use TCP. So don't have any
> specific comments there. However, the ACE classes are all setup with
> timeouts and connection control logic.


We've used ACE for UDP as well as TCP/IP and even SSL.  Works great.

(ACE also works for other OS's such as Linux and uCLinux, and even
though it is not really mainstream, ARM processors.  The interface is
identical across all of these OS's and processors.)