[ntp:questions] Keeping NTP Honest
unruh-spam at physics.ubc.ca
Wed Jul 15 20:50:40 UTC 2009
"Richard B. Gilbert" <rgilbert88 at comcast.net> writes:
>David Woolley wrote:
>> David J Taylor wrote:
>>> John Hasler wrote:
>>>> The Chrony source is available under the GPL. I'm sure someone would
>>>> be willing to port it for you for suitable compensation.
>>> If I were paying my money, I would rather it went towards improving
>>> the official NTP, to be honest.
>> Such improvements are unlikely as it turns out that the subject of this
>> thread is an area where Dave Mills refuses to acknowledge a problem.
>There is no problem unless you insist on shutting down your system
a) Some people have no choice. They must shut down their system
frequently. They do not "insist" on it, anymore than you insist on
b)There is a problem even without that. TEsts I did showed that chrony
has a better clock discipline by about a factor of 3. Lichvar claims
that running a gps refclock with chrony vs ntp, chrony does better by a
factor of 20 using the same poll interval. Now, if you believe that ntp
being suboptimal by a factor of 3 or 20 indicates "no problem", ....
>The subject line seems poorly worded. There is no question of honesty
>or dishonesty in the usual sense of those words.
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