[ntp:questions] how will this effect stability

Maarten Wiltink maarten at kittensandcats.net
Wed Feb 14 13:28:43 UTC 2007


<marknmbox-88 at yahoo.com> wrote in message
news:727567.85080.qm at web55414.mail.re4.yahoo.com...

> I am in an environment where the path to and from a
> time server can vary from milliseconds to a second and
> the return path may vary within the same range.  The
> transit time for each direction will be independent of
> the time for the other.  Thus the path to the server
> may take a few mills but the return path can take a
> second.  The sum of both paths can range from a few
> mills to seconds.
>
> Will this cause ntpd problems with accuracy or
> stability or will the ntp calculations not be
> effected?

Can you try it for awhile? My guess would be that the
delays will average out and you'll be left with the
right time but really bad confidence intervals. Bad
enough perhaps that NTP refuses to accept any upstream
servers.

Groetjes,
Maarten Wiltink





More information about the questions mailing list