[LEAPSECS] The leap second, deep space and how we keep time -Brooks

Martin Burnicki martin.burnicki at meinberg.de
Wed Jan 28 04:33:58 EST 2015

Warner Losh schrieb:
>> On Jan 27, 2015, at 7:18 PM, Steve Allen <sla at ucolick.org> wrote:
>> On Tue 2015-01-27T21:41:17 +0000, Matsakis, Demetrios hath writ:
>>> Equally unfortunate is that 30 servers in the NTP pool inserted a
>>> leap second last Dec 31.
>> There is no action that the ITU-R can take which will change this kind
>> of misbehavior in these already-deployed systems.
>> Therefore this is irrelevant to the activities which will happen at
>> ITU-R WRC-15, and I don't think that misdirecting attention will help
>> the ITU-R decide what to do.
> One of the arguments against leap seconds  are that they are hard to get right.
> How many machines inserted an April 31st by mistake? Has an error like that
> ever happened? No. Or more likely, has anybody thought it was Feb 29th in
> a non-leap year? No. There have been some applications that mistakenly though
> Y2K wasn’t a leap year. And there were some issues with the Zune music player.
> And there was that unfortunate Feb 30th incident, but that was in a transition
> to Gregorian… :)
> By comparison, the list of mistaken leap second issues is legion… Isn’t that
> relevant to the practicability of any standard under discussion? Or am I missing
> your point?

So similarly, if there are faulty DNS or DHCP servers around, should 
these services be abolished instead of fixing the source of the problem? ;-)

Martin Burnicki

Senior Software Engineer

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