> I'd suggest that if you need something approaching 1ms accuracy, you
> need your own stratum-0 sources (GPS, time radio, etc.). Many of these
> are relatively cheap. For alarms, I'd suggest that you obtain multiple
> stratum-0 sources, and consider 1ms (or less) offset from _any_ of them
> to be an event worth paging over.
'scuse my naivete, but don't you get very good accuracy if you have
a consistent hardware clock, a drift file, and enough time (months?)
of using many servers to build up a good value in the file?
Cheers,
- Joel
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