alt Hacker Newsif 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)
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chaps • yesterday at 7:59 PM
You'd think so. Legacy servers that've been running for ten years really puts a hitch in 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).