On 29/08/2019 11:15 am, Roger Clarke wrote:
Very strange.
By switching to the European server, I got proper time back.
Not good if you're running anything that requires notary-level DTS.
On 29/8/19 11:43 am, Bernard Robertson-Dunn wrote:
If time is that important you should be using NTP/Stratum technology
https://ntpserver.wordpress.com/2008/09/10/ntp-server-stratum-levels-explained/
Apple has used NTP for decades now. NTPv3 was 1992, NTPv4 2010.
My strong impression has been that the synch techniques Apple uses are
good enough for well-under sub-second synch with 'the real time'.
That said:
(1) the OS 10.4 time-service (current 2005-07) had a serious bug,
which was never fixed, which meant you had to open the System
Preferences window in order to force a resynch!
(2) Apple's Asia time-servers clearly don't keep an eye on one
another, because otherwise the current problem would never have been
noticed by a casual user.
--
Roger Clarke mailto:[email protected]
T: +61 2 6288 6916 http://www.xamax.com.au http://www.rogerclarke.com
Xamax Consultancy Pty Ltd 78 Sidaway St, Chapman ACT 2611 AUSTRALIA
Visiting Professor in the Faculty of Law University of N.S.W.
Visiting Professor in Computer Science Australian National University
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