Re: [art] Predictable Internet Time

Joe Touch <touch@isi.edu> Wed, 29 March 2017 15:34 UTC

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To: Nico Williams <nico@cryptonector.com>, Philip Homburg <pch-ietf-art@u-1.phicoh.com>
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From: Joe Touch <touch@isi.edu>
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Date: Wed, 29 Mar 2017 08:34:18 -0700
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Subject: Re: [art] Predictable Internet Time
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On 3/29/2017 8:30 AM, Nico Williams wrote:
>>> The issue is that POSIX really runs off of whatever local source of time
>>> passage is available, and can (and does) drift from TAI on *each*
>>> system. That drift can't be determined until your system tries to sync
>>> with an external source (e.g., via NTP).
> Which... most do.
Then you're reporting NTP time, not Unix time.

And that's when you're clock jumps - because you're looking at UTC, not
the Unix clock anymore.

Joe