[ntp:questions] Using two NTP Server: Bad?

Dave Hart hart at ntp.org
Fri Apr 22 10:50:34 UTC 2011


On Fri, Apr 22, 2011 at 09:48 AM, "Roger" <invalid at invalid.invalid> wrote:
> I've seen these number quoted before and I don't understand
> the last one. Why doesn't 6 allow for the failure of 3? Why
> doesn't 7 allow for the failure of 4? Assuming that this
> wasn't a mistake in the dim and distant past which keeps
> on being repeated what am I missing?

Consider that "failure" here encompasses "serves bogus time".  Suppose
you have 7 sources configured and 4 of them cluster nicely around an
incorrect time, with 3 clustered around UTC.

Cheers,
Dave Hart



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