nanog mailing list archives

Re: Need trusted NTP Sources


From: Saku Ytti <saku () ytti fi>
Date: Sun, 9 Feb 2014 22:56:11 +0200

On (2014-02-09 15:45 -0500), Jay Ashworth wrote:

If I'm locked to 2 coherent upstreams and one goes insane, I'm going to
know which one it is, because the other one will still match what I already
have running, no?

Or do I understand NTP less well than I think?

I don't think you can reasonably tell which of the two is the false ticker.
Andriy says your PC would blindly follow one who is in more agreement with
your local lock, and PC's have terrible oscillators (I don't know why, 5EUR
would buy LOT better oscillator).

-- 
  ++ytti


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