[ntp:questions] ntp-4.2.6p5 on Win 7 x64

William Unruh unruh at invalid.ca
Thu Jul 24 22:24:49 UTC 2014


On 2014-07-24, David Woolley <david at ex.djwhome.demon.invalid> wrote:
> On 24/07/14 11:21, Martin Burnicki wrote:
>> I'm assuming ntpd tries to synchronize the Windows time once every few
>> minutes
>
> I would expect it to be rather more frequent than that, as whilst the 

One minute is poll 6. And since it ignores 7 of 8 polls, that is "a few
minutes". 
> parameters might change only about once in seven or eight poll 
> intervals, and the frequency may not change, the offset correction is 
> applied in reducing increments so that there is only a finite integral, 
> however long between updates.

??
The correction is to change the frequency so that a fraction of the
current offset will be eliminated by the next correction. Not sure what
you mean by your comments on reducing increments. 

>



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