On Mon, Oct 6, 2008 at 11:06 AM, Ryan Malayter <[EMAIL PROTECTED]> wrote: > By the way, MaxMind shows my source IP correctly as being in Chicago, > IL USA, while the destination is supposedly in Freemont, California. > So the problem, if there is one, appears to be in MaxMind's data.
The MaxMind data definitely has some errors. (They claim 99.3% accuracy; higher if you pay them... Thus I think that 0.7% error is deliberate.) My machine (66.197.144.101) is in Pennsylvania, but was tagged as being in Brazil. Mine got left that way deliberately, since South America has very few servers, though I see no reason to do the same to try to 'help' the US pool with servers from other countries, since it seems that we have more NTP servers than any other country. >From toying around with syncing to various sources, distance doesn't play a big factor: my old server in Texas got its time from a stratum 1 that was about 10ms away on the network, but if I used "africa.pool.ntp.org," the time was consistently within a couple milliseconds of what I got from the nearby stratum 1. (This isn't to say that you shouldn't care; obviously distant sources will be more at risk for variable latency / jitter...) _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
