[ntp:questions] SNTP with 1ms of precision?
david at ex.djwhome.demon.invalid
Fri Jul 9 22:36:47 UTC 2010
> What nearly all of them do is send a query at the specified (or fixed)
> interval, and put the time from the reply packet in the clock, stepping
> it to that value.
> Maybe it cannot be rightfully called SNTP, but it is what we have.
The SNTP supplied with the reference implementation (4.2.5p32) seems
close to that. It spreads the steps out, but using tickadj, to slew at
+/-500ppm, typically, but seems to have no concept of frequency.
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