RTP Stack and Performance

Hi,
These days i am looking for a very light weight RTP Stack.

There are many on the net freely available. but dont one which one
is widely used and best suitable for trasferring real time audio over
the LAN. i have a sampling frequency of 48KHZ/96KHZ.

I am just using a LAN. even though


Any advices, i am sure many of you are working/worked on rtp.


some stack which is good, simple to understand and use.


Thanks,


Regards,
Sriram