On 2018-12-29 7:51 a.m., Matthew Huff wrote:
We have two stratum-1 servers synced with GPS and a PTP feed from a provider
that also provides PTP to market data systems, but we still have to monitor
drift between system time and NIST time. Don't ask for the logic behind it,
it's a regulation, not a technical requirement.
On one occasion, due to bad firmware or a configuration issue, I have
seen GPS stratum 1 diverge from NTP. It was somewhat eye brow raising
to the company. My NTP monitored servers were shown to be diverging
their GPS/NTP, but after looking at twice or thrice, it was the other
way around.
