NTP Sync Issue Across Tata (Europe)
goemon at sasami.anime.net
goemon at sasami.anime.net
Mon Aug 14 08:55:26 UTC 2023
On Mon, 14 Aug 2023, Masataka Ohta wrote:
> Mike Hammett wrote:
>> " As such, the ultimate (a little expensive) solution is to have
>> your own Rb clocks locally."
>
>> Yeah, that's a reasonable course of action for most networks.
>
> For most data centers with time sensitive transactions, at least.
>
>> *sigh*
>
> https://en.wikipedia.org/wiki/Atomic_clock
> Modern rubidium standard tubes last more than ten years,
> and can cost as little as US$50.
>
> https://www.ebay.com/sch/i.html?_nkw=rubidium
>From this discussion it seems there is very little overlap between nanog
membership and time-nuts.
Cheap Rb GPSDO are well known there. Even a bottom barrel OCXO GPSDO would
provide significant protection against determined GPS attacker.
-Dan
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