[ntp:questions] Re: System clock

David L. Mills mills at udel.edu
Fri Oct 7 01:19:38 UTC 2005


The NTP process does not have a clock. There is only one system clock.

Think of the system clock as Big Ben. Once in a while the NTP daemon 
puts a few farthings on the pendulum or takes a few off.


SivaKumar Subramani wrote:

> Hi,
> Is it possible to make the NTP clock, timer run by the NTPD process and
> the system clock can be independent of each other.
> Can the NTP timer alone be set by the NTPD process without disturbing
> the system clock.?
> I'm little confused with the behavior of the system clock and the
> reference time. Whenever I change the system time by +/- by 10 min, the
> reference time also gets updated. Is this reference time refers the
> timer run by the NTPD process?  The clock /timer run by the NTPD process
> be independent to this alone. Any info on this issue is highly
> appreciable.
> Thanks in advance
> Sivakumar
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