[169016] in North American Network Operators' Group
Re: Need trusted NTP Sources
daemon@ATHENA.MIT.EDU (Saku Ytti)
Sun Feb 9 15:56:33 2014
Date: Sun, 9 Feb 2014 22:56:11 +0200
From: Saku Ytti <saku@ytti.fi>
To: nanog@nanog.org
In-Reply-To: <9328684.7780.1391978719937.JavaMail.root@benjamin.baylink.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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
