[time-nuts] A Time-Nut's Worst Nightmare

Poul-Henning Kamp phk at phk.freebsd.dk
Sat May 11 16:04:54 EDT 2013

In message <518E2C65.80204 at rubidium.dyndns.org>, Magnus Danielson writes:

>The end result will be a clock which in long term is showing the right 
>time, but have short term variations. Since it is a lag scheme, it will 
>also on average be behind.

Wouldn't it be easier to simply implement a random walk with a square-law
sort of gravity anchored at the right time ?

That way it would sometimes be ahead, sometimes behind, but keep
correct time on average.

And you could make the movement truly random and non-periodic.

I'm sure that's how the watchmakers guild did it.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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