[ntp:hackers] A stop-gap authenticated time service

Harlan Stenn stenn at ntp.org
Wed Nov 11 04:27:13 UTC 2015


"Poul-Henning Kamp" writes:
> So people tend to forget that the technological basis for NTP were
> PDP/11 computers.
> 
> If you took the crystal out of a PDP/11 and tried to multiply it to
> a couple of GHz with a PLL, you'd end up all over the microwave band.
> 
> If you read one of Intels or AMDs datasheets, you'll likely be surprised
> by their harsh specs for clocks and crystals.
> 
> I have a lot of respect for Dave Mills, but one of the the things
> he never updated was the "rules of thumb" derived from the PDP/11,
> and that's why NTPD is far too eager to yank the clock around.

Let's discuss and fix this.  OK?

-- 
Harlan Stenn <stenn at ntp.org>
http://networktimefoundation.org - be a member!


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