[LEAPSECS] DNS examples

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Jan 23 11:58:37 EST 2015

In message <20150123123330.llBzYdw5%sdaoden at yandex.com>, Steffen Nurpmeso write

> |Bulletin C is issued whether or not a leap second occasion \
> |(currently June and December, but could be any month) corresponds \
> |to an actual leap second.  The encoding (as in PHK’s example) \
> |should be able to represent a positive, negative or absent leap second.
>That doesn't make sense to me.  An absent leap second doesn't
>change the TAI-UTC drift, so why would you update the record?
>Shall an announcment be taken back for whatever reason, the old
>record had to be restored.

It's the difference between "have not been told that X will happen"
and  "have been told that X will not happen."

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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