[time-nuts] The future of UTC

Steve Rooke sar10538 at gmail.com
Fri Jul 15 14:27:06 UTC 2011


On 16 July 2011 02:20, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> In message <4E2046DB.3040206 at erols.com>, Chuck Harris writes:
>>Poul-Henning Kamp wrote:
>
>>I can see a 20 year prediction being seriously fraught with error.
>
> Not really, starting out with just one leap second every 18 months
> gets you pretty good first approximation.  DUT1 would probably still
> be less than 3 seconds.

Sorry to barge in here but I thought the leap second need was about a
two year thing so wouldn't that mean a ten second jump at the twenty
year mark.

Steve

>>I am not at all happy with the idea of
>>having it magically stall, or stutter. That's something for some
>>library function to keep track of after the fact.
>
> That is exactly my point:  With 6 months notice, getting the
> libraries updated using regular software update channels is not
> feasible.
>
> --
> 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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-- 
Steve Rooke - ZL3TUV & G8KVD
The only reason for time is so that everything doesn't happen at once.
- Einstein




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