[time-nuts] NTP Time Server Ping Timing Stability
Poul-Henning Kamp
phk at phk.freebsd.dk
Mon Aug 6 05:33:48 UTC 2007
In message <46B6406F.8070905 at pacific.net>, Brooke Clarke writes:
>); SAEximRunCond expanded to false
>Errors-To: time-nuts-bounces+phk=phk.freebsd.dk at febo.com RETRY
>
>Hi:
>
>I'm curious about the stability of Ping timing between high quality NTP
>servers. Is it the case that a histogram will show different times because the
>path may be different between the two servers but the spread for any given path
>would be quite small because of the quality of the timing?
That's a pretty impossible question to answer, but you may get some idea
about the results from this paper:
http://www.ijs.si/time/
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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