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If your application is so critical that NTP timing loss causes disaster and your holdover fails in less than a day and you aren't generating your own via gps, you are incompetent, full stop

geerlingguy6mo ago

And if things are that critical, you might have other references besides just GPS...

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ronjakoi6mo ago· 1 in thread

Or even just a microsecond emergency.

f5129cac6mo ago

Bravo

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8 comments · 2 top-level

amelius6mo ago· 5 in thread

But can't NTP server downtime cause a disaster?

Vosporos6mo ago

One (amongst many) NTP server going down creates less issues than an NTP server spreading wrong time.

macintux6mo ago

General rule of thumb: a misbehaving/slow server in any well-architected distributed system is vastly worse than a dead server.

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PunchyHamster6mo ago

technically if you have 3 or more sources that would be caught; NTP protocol was designed for that eventuality

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idiotsecant6mo ago

If your application is so critical that NTP timing loss causes disaster and your holdover fails in less than a day and you aren't generating your own via gps, you are incompetent, full stop

geerlingguy6mo ago

And if things are that critical, you might have other references besides just GPS...

1 more reply

ronjakoi6mo ago· 1 in thread

Or even just a microsecond emergency.

f5129cac6mo ago

Bravo

j / k navigate · click thread line to collapse