Date: Wed, 16 Jun 2004 20:03:42 -0400 From: Harlan Stenn <Harlan.Stenn@pfcs.com> To: David Magda <dmagda@ee.ryerson.ca> Cc: freebsd-stable@freebsd.org Subject: Re: NTPD and SecureLevel Message-ID: <18173.1087430622@dog.pfcs.com> In-Reply-To: David Magda's (dmagda@ee.ryerson.ca) message <6CDBFD00-BFF1-11D8-AF71-000A95B96FF8@ee.ryerson.ca>
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> ntpd(8) doesn't actually change the time by making it 'jump' to the
> correct time; it slows down or speeds up the rate at which the timer
> runs at.
Sometimes ntpd will step (jump) the time.
H
--
> So if your system time is ahead of the 'real' time, ntpd will slow down
> the rate at which time passes ('one second' on the system clock will
> actually take longer than a 'real' second to pass). Similarly if your
> system time is behind the 'real' time ntpd will adjust the rate so that
> timer will run faster than 'real' time.
>
> This way there are no 'jumps' in time: it is continuous.
>
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