[ntp:questions] IEEE 1588 (PTP) at the nanosecond level - followup

Joe Gwinn joegwinn at comcast.net
Fri Mar 28 00:49:27 UTC 2014

In article <lh1kir$vie$1 at dont-email.me>, William Unruh
<unruh at invalid.ca> wrote:

> On 2014-03-27, Joe Gwinn <joegwinn at comcast.net> wrote:
> > Well, it worked, at least partially.  One group backed off to the point
> > of depending on PTP for few microsecond sync error, versus a few tens
> > to a hundred nanoseconds.  This should work.  
> It sounded and sounds like they really had no idea what they needed and
> just pulled figures out of the air. 

No, they knew very well what they needed for one proposed approach,
which had many advantages.  But it turned out that 1588 isn't there
yet, so a different approach was chosen.

What they didn't know was the details of time.

Joe Gwinn

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