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

David Woolley david at ex.djwhome.demon.invalid
Fri Apr 22 10:41:17 UTC 2011

Roger 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?

I think there is some element of that in the arguments about number of 
failed servers, but the assumption for six is that three fail in the 
same way, more specifically, they fail by reporting the same wrong time. 
  In that case, you have two candidate times, each with three votes.

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