[ntp:questions] Interesting results with PPS

Terje Mathisen terje.mathisen at hda.hydro.com
Wed Feb 7 19:04:27 UTC 2007


Mauro Fiacco wrote:
> The only difference is that NTP server #3 employs two servers for
> time synchronisation, while NTP server #4 employs only one server. 
> 
> I think the only difference is the working of the clustering algorithm.
> The use of two NTP servers improves stability and accuracy when compared
> to only one servers.

_Never_ use two sources!

You should always use either 1 or at least 4, having just two means that 
if those two should ever disagree about the correct time, your client 
will disregard both.

Terje

-- 
- <Terje.Mathisen at hda.hydro.com>
"almost all programming can be viewed as an exercise in caching"




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