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Re: [gpsd-dev] PPS and privilege-dropping

From: Gary E. Miller
Subject: Re: [gpsd-dev] PPS and privilege-dropping
Date: Fri, 18 Oct 2013 16:45:12 -0700

Yo Greg!

I'll buy that.  Got a citation so we can add it to the howto with

On Fri, 18 Oct 2013 19:42:06 -0400
Greg Troxel <address@hidden> wrote:

> "Gary E. Miller" <address@hidden> writes:
> >> That's not enough by itself.  You and other time nuts have implicit
> >> knowledge, expressed in jargon like "chimers" which isn't actually
> >> defined anywhere (I googled to check).  We need to get that
> >> knowledge onto (virtual) paper.
> >
> > Odd, I can't find a trvial reference to that either.  A chimer is
> > just an time source you are using.  Likely remote in some way.
> This is Dave Mills' jargon.  Basically:
>   truechimer: a computer, usually remote, that speaks NTP, and whose
>   clock is basically right.  Note that basically right allows some
> slop for it being a bit off due to errors, but not wildly off
>   falseticker: a computer, usually remote, that speaks NTP, and whose
>   time is way off base.
> The basic point is that in the outlier detection phase, falsetickers
> are outvoted and removed from further consideration.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
        address@hidden  Tel:+1(541)382-8588

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