[ntp:questions] Re: Sufficient # servers to sync to

David Schwartz davids at webmaster.com
Fri Mar 18 23:16:09 UTC 2005

"Brian Utterback" <brian.utterback at sun.removeme.com> wrote in message 
news:d1feaq$gfi$2 at news1brm.Central.Sun.COM...

> Yes, to all of your points. I wasn't dealing with the dispersion
> intervals and jitter and all that. I was just trying to illustrate
> why three servers won't cut it. In reality the offsets shouldn't be
> so large and all that. But if the intervals don't overlap (and they
> often don't) then the example stands.

    The assumption is that you have three servers, two of which are working 
and one of which is not. If two of them are working, then their intervals 
*must* overlap. Obviously if you have three servers and no two of them are 
reliable, you are screwed.


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