[131460] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: NTP Server

daemon@ATHENA.MIT.EDU (Martin Hotze)
Mon Oct 25 01:16:40 2010

From: Martin Hotze <M.Hotze@hotze.com>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Mon, 25 Oct 2010 05:16:27 +0000
In-Reply-To: <mailman.4811.1287944305.813.nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

> Date: Sun, 24 Oct 2010 14:18:18 -0400
> From: David Andersen <dga@cs.cmu.edu>
> Subject: Re: NTP Server
 (...)
> If you find yourself needing really precise time with good guarantees,
> you're not just talking about buying one GPS unit -- you can easily go
> down a rathole of finding multiple units with good holdover

And you have to trust one single source: the US military.
Having my network outside the US and having read NOTAMs (notice to airmen) =
while preparing a flight stating that due to military ops the GPS signal wa=
s screwed up in that area I would not rely on GPS as my single NTP source f=
or my network.

#m



home help back first fref pref prev next nref lref last post