From: Gene Tani <gene.tani@...>
Date: 2005-07-19T04:25:54+09:00
Subject: Re: Cheapest ping possible

another thing you could port/write a binding for (client UDP pings,
server blocks to update/read hash of timestamps of last pings
received):

http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52302