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

Martin Burnicki martin.burnicki at meinberg.de
Tue Mar 18 09:17:46 UTC 2014


Paul wrote:
> On Mon, Mar 17, 2014 at 8:07 PM, Joe Gwinn <joegwinn at comcast.net> wrote:
>
>> People are also lusting after sub-microsecond sync.
>
>
> Sure but not optimally in comp.protocols.ntp/questions at lists.ntp.org.
> With some help NTP can be quite good but the intent really isn't nanosecond
> accuracy.

We have mades some tests and found that NTP can yield the same accuracy 
as NTP if also hardware timestamping of NTP packets is supported on all 
nodes, similar as for PTP.

In fact this isn't surprising, is it?

Martin
-- 
Martin Burnicki

Meinberg Funkuhren
Bad Pyrmont
Germany



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