Re: Predictable Internet Time
Joe Touch <touch@isi.edu> Fri, 21 April 2017 16:11 UTC
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Subject: Re: Predictable Internet Time
To: Toerless Eckert <tte@cs.fau.de>, Nico Williams <nico@cryptonector.com>
Cc: Patrik F?ltstr?m <paf@frobbit.se>, Phillip Hallam-Baker <phill@hallambaker.com>, IETF Discussion Mailing List <ietf@ietf.org>, Paul Eggert <eggert@cs.ucla.edu>
References: <504e2cea0d1668c31486b05fec0a967a4446aefe@webmail.weijax.net> <CAMm+Lwi_jU6gjdtdM6a2n_9_89tUvWBNXxnMtSjTEA++h1D4Ew@mail.gmail.com> <e0a43370-751f-808c-3719-9716f9cd57d1@isi.edu> <B990A5A4-D62B-4E10-9FF7-7BA4377C0958@frobbit.se> <7bc1a350-549c-c649-81c6-bcd19cff36d7@cisco.com> <B2E6846E-F25B-4792-8E13-B5D898B67223@frobbit.se> <9f719b6a-f3c0-ef98-1636-86e84106e366@cisco.com> <16db07fe-acc5-d178-b56c-755c3cf70680@cs.ucla.edu> <CAMm+LwjQ_kaSBzcJhem5CbPLvMCAJRFnRpqJgu8SFTTQpt4bzQ@mail.gmail.com> <20170418222004.GB2856@localhost> <20170418232126.GD5937@faui40p.informatik.uni-erlangen.de>
From: Joe Touch <touch@isi.edu>
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Date: Fri, 21 Apr 2017 09:10:02 -0700
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Hi, all, Again, this discussion is continuing over in ART at the advice of the IESG. I'll post followups there. Joe On 4/18/2017 4:21 PM, Toerless Eckert wrote: > Nice! > > Why not start to tackle the problem pragmatically before asking for standards > when its clearly a political issue. > > a) RFC describing the problems developers and system deployments can face > because of leap seconds. > b) And best current practices to get around those issues. Eg: Expect clock > smear on Jan 1 == reduced accuracy of ~1. Unless OS or other trusted > info source gives explicit indication: NO leap, no smear. > c) And finally a description of the worst open issues when b) is applied. > Anything worse than labels on products "reduced functionality on Jan 1 > after a leap second" ? > > Cheers > Toerless > > On Tue, Apr 18, 2017 at 05:20:06PM -0500, Nico Williams wrote: >> On Tue, Jan 03, 2017 at 05:34:11PM -0500, Phillip Hallam-Baker wrote: >>> As I said, I want 30-100 years lead time so I can bake the schedule into >>> devices and remove a trust dependency. >> 30 years' lead time for leap seconds? Can't be done. >> >> Leap seconds depend on events such as earthquakes. >> >> You can estimate their frequency, but you can't estimate when they'll be >> inserted. >> >> Nico >> --
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Toerless Eckert
- Re: Predictable Internet Time Patrik Fältström
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Izaac
- Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time sandy
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Patrik Fältström
- Re: Predictable Internet Time Eliot Lear
- Re: Predictable Internet Time Patrik Fältström
- Re: Predictable Internet Time Eliot Lear
- Re: Predictable Internet Time Tony Finch
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Cyrus Daboo
- Re: Predictable Internet Time Jared Mauch
- Re: Predictable Internet Time Stewart Bryant
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Cyrus Daboo
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Stewart Bryant
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Stewart Bryant
- Re: Predictable Internet Time Stewart Bryant
- Re: Predictable Internet Time Cyrus Daboo
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Ted Lemon
- Re: Predictable Internet Time Stewart Bryant
- Re: Predictable Internet Time Eliot Lear
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time John C Klensin
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Pete Resnick
- Re: Predictable Internet Time Cyrus Daboo
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Tony Finch
- Re: Predictable Internet Time Tony Finch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Paul Eggert
- Re: Predictable Internet Time Tony Finch
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Patrik Fältström
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Tony Finch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Philip Homburg
- Re: Predictable Internet Time Tony Finch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Tony Finch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Patrik Fältström
- Re: Predictable Internet Time Eliot Lear
- Re: Predictable Internet Time Harald Alvestrand
- Re: Predictable Internet Time Stewart Bryant
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Leif Johansson
- Re: Predictable Internet Time Eliot Lear
- Re: Predictable Internet Time Leif Johansson
- Re: Predictable Internet Time Phillip Hallam-Baker
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Patrik Fältström
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Michael Breuer
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Tony Finch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Patrik Fältström
- Re: Predictable Internet Time Joe Touch
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Nico Williams
- Re: Predictable Internet Time Harald Alvestrand