On 06/12/2013 13:15, Brian Inglis wrote: []
I have automated the saving and restoring of drift files with good values to replace drift files with bad values at startup, as the calibration on Windows is way off, and it's often quicker to restart than wait many hours ordays. Possibly because MS disclaims timing within 2 seconds as an unreasonable goal under Windows, and none of the Windows timing interfaces really are good enough for NTP. The hardware could be if it was used properly, but what Windows does with timers makes them unreliable black boxes.
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Although with a PPS source Windows can be in the hundred microsecond region: http://www.satsignal.eu/mrtg/performance_ntp.php#windows-stratum-1 and within a few milliseconds when using a stratum-1 reference over the LAN: http://www.satsignal.eu/mrtg/performance_ntp.php#windows -- Cheers, David Web: http://www.satsignal.eu _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
