Ask Bjørn Hansen wrote: > > On Feb 7, 2006, at 1:25 PM, John Pettitt wrote: > >> I'm seeing similar spikes for my servers - one of which is stratum 1 >> varies by +/- 40us typically. I put it down to the monitoring server >> either having a really bad time source or an overloaded net connection. >> - Where is the monitoring server and how is it connected? > > Los Angeles, connected via internap. > > Any spikes at least up to ~100ms can easily be attributed to network > trouble. Don't read too much into the offset graphs on lower numbers. > > If/when we want to measure the offset more accurately from the > monitoring station I'll setup several of them and have them use ntpd > rather than the simplistic sntp client. > > > - ask > > --http://www.askbjoernhansen.com/ > > > Hmmm - I'd be interested in doing an experiment on that - if you are willing to let me have a the list of US servers I'll set up a box with all the servers in the ntpd config as minpoll 10 noselect and see how it looks.
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