Claudio Carbone wrote:
On 29/03/13 19:26, Brian Utterback wrote:
As unruh said, if there was a way to improve the accuracy of the
measurement over the network like that, NTP would already be doing it.
If so why doesn't the offset oscillate?
If NTP were a real compensation system, it should oscillate around the
setpoint.
Instead I noticed a nearly static offset, at least during the 15 minutes
observation time.
Claudio
Lots of people track their ntpd offsets. Mine give a good indication
of xtal temperature variations from both ambient day/night changes
and those caused by system load. My internet synced pcs vary within
about +/- 1ms and GPS synced within about +/- 10us.
http://www2.lordynet.org.uk/mrtg/stats/ntp/
David
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