2 Sep
2010
2 Sep
'10
5:43 p.m.
On 09/03/2010 04:58 PM, Neil Gardner wrote:
I think the issue is that with 3 clocks, if 1 fails, you are left in a situation where NTP can't tell which remaining clock to trust.
Don't forget that there's still the atomic clock at the Measurement Standards Laboratory, which most ISPs use. It's also a non-GPS source, which means if the GPS system ever goes insane, you've got an alternate source. See http://msl.irl.cri.nz/services/time-and-frequency/ntp-server-information (That said, I do recall the MSL servers running three minutes fast not that long ago ...) I think between the two systems, that's a pretty robust time system for syncing up a stratum 2 server. -- don