[181702] in North American Network Operators' Group
Re: leap second outage
daemon@ATHENA.MIT.EDU (Harlan Stenn)
Wed Jul 1 02:01:07 2015
X-Original-To: nanog@nanog.org
From: Harlan Stenn <stenn@ntp.org>
To: Mikael Abrahamsson <swmike@swm.pp.se>
In-reply-to: <alpine.DEB.2.02.1507010735360.9487@uplift.swm.pp.se>
Date: Wed, 01 Jul 2015 05:59:43 +0000
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
Mikael Abrahamsson writes:
> This is similar to the jiffycounter wrapping, since this doesn't happen
> that often, it's not commonly tested for. Good way is to start the jiffy
> counter so it wraps after 10 minutes of uptime. That way you'll run into
> any bugs quickly. Either we should abolish the leap second or we should
> make leap second adjustments (back and forth) on a monthly basis to
> exercise the code.
>
> This is a hard sell though...
and it's perversely interesting. It would even be tolerable when the
difference between UTC and UT1 is such that the insertions and deletions
maintain the +/- .9 s difference. There would even be enough time to
warn folks about this.
H
