Until you work in financial markets and you want to measure latency vs a bunch of other servers you don't own, all of whom pick different smears (and some of whom aren't sure in advance which smears).
Early in my career, I had to babysit our FX quoting app through the July 2015 leap second.
And some things do trade 24/7 (though I wish they wouldn't, one auction per minute during US east coast business hours would be totally sufficient for most US markets).
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if you need below 1 millisecond time accuracy, probably you know what you are doing and you wont mix NTP servers (and I think you need PTP for that)
Until you work in financial markets and you want to measure latency vs a bunch of other servers you don't own, all of whom pick different smears (and some of whom aren't sure in advance which smears).
financial markets dont trade when the smears happen (NYE)
They can happen mid-year too. They usually don't for this reason, but they can.
Early in my career, I had to babysit our FX quoting app through the July 2015 leap second.
And some things do trade 24/7 (though I wish they wouldn't, one auction per minute during US east coast business hours would be totally sufficient for most US markets).
Depends on the market. Crypto and prediction markets wont stop.
You'd think so. Legacy servers that've been running for ten years really puts a hitch in that.