From: stephen.strowes@gmail.com (sds)
Subject: [TUHS] Leap Second
Date: Tue, 3 Jan 2017 11:44:08 +0100 [thread overview]
Message-ID: <0d5eeef9-3dbb-0ddd-1b22-51fecee735d8@gmail.com> (raw)
In-Reply-To: <20161229002105.GB94858@server.rulingia.com>
On 29/12/2016 01:21, Peter Jeremy wrote:
> On 2016-Dec-29 10:59:32 +1100, Dave Horsfall <dave at horsfall.org> wrote:
>> (Yes, a repeat, but this momentous event only happens every few years.)
> Actually, they've been more frequent of late.
Important question: did anybody have an "exciting" new year because of a
leap second bug?
>> The International Earth Rotation Service has announced that there will be
>> a Leap Second inserted at 23:59:59 UTC on the 31st December, due to the
>> earth slowly slowing down. It's fun to listen to see how the time beeps
>> handle it; will your GPS clock display 23:59:60, or will it go nuts
>> (because the programmer was an idiot)?
> Google chose an alternative approach to avoiding the 23:59:60 issue and will
> smear the upcoming leap second across the period 2016-12-31 14:00:00 UTC
> through 2017-01-01 10:00:00 UTC (see https://developers.google.com/time/smear).
> Of course, this means that mixing time.google.com with normal NTP servers
> will have "interesting" effects.
FWIW, Akamai and AWS are similar (but different) implementations of leap
second smear:
*
https://blogs.akamai.com/2016/11/planning-for-the-end-of-2016-a-leap-second-and-the-end-of-support-for-sha-1-tls-certificates.html
*
https://aws.amazon.com/blogs/aws/look-before-you-leap-the-coming-leap-second-and-aws/
S.
next prev parent reply other threads:[~2017-01-03 10:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-28 23:59 Dave Horsfall
2016-12-29 0:21 ` Peter Jeremy
2017-01-03 10:44 ` sds [this message]
2017-01-03 15:06 ` Tony Finch
2017-01-03 15:29 ` Joerg Schilling
2017-01-04 13:32 ` Steffen Nurpmeso
2017-01-04 23:13 ` Warner Losh
2017-01-05 14:29 ` Steffen Nurpmeso
2017-01-04 15:54 ` sds
-- strict thread matches above, loose matches on Subject: below --
2016-12-23 23:08 Dave Horsfall
2016-12-23 23:19 ` Michael Kjörling
2016-12-24 1:33 ` Charles Anthony
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