And how not make this extra precision expressed in normal units, like ps or fs if you really need to go overboard
From: stds-1904-3-tf@xxxxxxxx [mailto:stds-1904-3-tf@xxxxxxxx] On Behalf Of Peter.AshwoodSmith@xxxxxxxxxx
Sent: Saturday, May 02, 2015 3:27 PM
To: marek.hajduczenia@xxxxxxxxx; jouni.korhonen@xxxxxxxxxxxx
Cc: STDS-1904-3-TF@xxxxxxxxxxxxxxxxx
Subject: Re: fractional nanoseconds
where woukd the other 16 bits come from?
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From: jouni.korhonen
Subject: Re: fractional nanoseconds
time: 2015-05-02 15:14:23
Hi,
I was thinking the same as 1588 can do i.e. 1/65536 ns.
Jouni
Sent from a smart phone.. Mind the typos..
\> Marek Hajduczenia \ kirjoitti 2.5.2015 kello 9.32:
\>
\> Jouni,
\>
\> What would be the resolution of these fractional nanoseconds?
\>
\> Marek
\>
\> -----Original Message-----
\> From: stds-1904-3-tf@xxxxxxxx [mailto:stds-1904-3-tf@xxxxxxxx] On Behalf Of
\> Jouni Korhonen
\> Sent: Friday, May 01, 2015 6:30 PM
\> To: STDS-1904-3-TF@xxxxxxxxxxxxxxxxx
\> Subject: fractional nanoseconds
\>
\> Folks,
\>
\> We have already had some discussion on this topic earlier but.. what is your
\> opinion on having fractional nanosecond accuracy in the time stamping (e.g.
\> when sending a timestamp in the RoE header)? If we follow what 1588 did for
\> the correction field that would mean 16 additional bits, which may or may
\> not be significant overhead wise.
\>
\> Comments & opinions?
\>
\> - Jouni
\>
\> --
\> Jouni Korhonen, CTO Office, Networking, Broadcom Corporation
\> O: +1-408-922-8135, M: +1-408-391-7160
\>