sunicorn is an educational example of a forking webserver, utilizing a unix socket to handle distriubting inbound requests accros a pool of child worker processes. It's adapted from Ryan Tomayako's ruby implementation here.
In one window...
python server.py
and another...
echo 'dental plan' | nc localhost 4242
echo 'dental plan' | nc localhost 4242
echo 'dental plan' | nc localhost 4242
echo 'dental plan' | nc localhost 4242
echo 'dental plan' | nc localhost 4242
echo 'dental plan' | nc localhost 4242
echo 'dental plan' | nc localhost 4242
echo 'dental plan' | nc localhost 4242