[ntp:questions] what happens when sys.peer turns stratum 16?

Rob nomail at example.com
Tue Jun 1 09:09:05 UTC 2010

unruh <unruh at wormhole.physics.ubc.ca> wrote:
>> If we assume there is a private subnet that has two GPS reference
>> clocks to synchronize the rest of the machines, what would be the
>> expected failure mode where one of the stratum 1 servers go crazy, and
>> having three GPS clocks actually makes a difference?
> The gps falls off the roof and is burried in shrub, but still uses its
> internal clock to deliver PPS pulses is an example.

It requires a badly coded GPS driver to make the NTP clock sync to
the GPS device while there are no satellites in view.   Any reasonable
driver checks the status messages and uses the time info only when there
is lock to the satellites.

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