[ntp:questions] What exactly does "Maximum Distance Exceded" mean?
Joseph Gwinn
joegwinn at comcast.net
Tue Mar 17 02:23:55 UTC 2009
In article <20090316063319.F2674 at bulldog.localhost.org>,
hundoj at comcast.net (Rob Neal) wrote:
> On Sun, 15 Mar 2009, Joseph Gwinn wrote:
>
> > In article <qo6dnZLJDv8z4CDUnZ2dnUVZ_hWWnZ2d at giganews.com>,
> > "Richard B. Gilbert" <rgilbert88 at comcast.net> wrote:
> >
[snip]
> >
> >>> The FAQ has to be the place for such explanations.
> >>
> >> I'm not sure if this qualifies as an FAQ as I don't recall that it has
> >> come up before. FAQ stands for Frequently Asked Questions.
> >
> > RAQ then? Rarely Asked Questions
> >
> > Seriously, I can't believe that I'm the only person in history to be
> > perplexed by these status codes, and those little three-word summaries
> > are a bit telegraphic.
> You have lots of company, sadly. A decoder function would
> be 'Good'. There are obstacles to this, as remarked by
> others, and a serious lack of volunteer time to code a
> solution. No one will stop you, if you wish to contribute....
> In the current build I find the TEST status codes in
> ntp.h. They have changed, from release to release, so
> consult your source for particulars.
> There has been considerable improvement in NTP from
> V3 to V4. You should consider upgrading, it really
> is better.
I already have a decoder function, coded in Mathematica, based on
Appendix B of RFC-1305, which ought to work for NTPv3. The problem is
one of documentation, as RFC-1305 is pretty telegraphic, although it
does point one to the descriptions of the relevant tests.
I gather that the actual NTPv3 code does not really follow RFC-1305.
That seems to be the bottom line.
Joe
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