[ntp:questions] chrony and ntp comparison-- ADSL hookup
David J Taylor
david-taylor at blueyonder.neither-this-bit.nor-this-bit.co.uk
Tue Feb 19 07:19:07 UTC 2008
Bill Unruh wrote:
> The round trip between server and client is
> about 16ms, which is about 100 times longer than the round trip times
> used
> earlier in the previous tests I posted.
[]
> Now, chrony is much more aggresive in decreasing the poll interval
> when the statistics gets bad, so the mean poll time for chrony was
> 36sec while for
> ntp it was 127 sec (in both cases minpoll was 4 and maxpoll was 7).
I beilieve that this is still unrepresentative:
- delay values I see are more like 30msec, not 16msec
- the default for min and max poll are 6 and 10 (IIRC), and not 4 and 7
David
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