On 07/19/19 21:47, William Unruh wrote:
No. The mechanism is clear. While one is answering its interrupt the
other gets to wait. So, it is the earliest one that is closest to
"right" Ie, do not try to use more than one interrupt on the same
computer. It does not work
I think we are at cross purposes here. What i'm saying is that if there
are 2 sources of pps signals, say from 2 time servers, there will be a
slight offset between the two, so how to determine which is the accurate
one ?. With 3 or more pps sources, those with the least offset
could be chosen for analysis, to find a median value.
Of course, host processing must introduce uncertainty, but would assume
that ntp is designed to mitigate that ?.
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