Ben
I don’t believe the comment was missed, but it probably takes some explaining.
The 802.15 response noted that the multi-mode fiber was in the PAR scope. This was an error as noted in our response.
I have reviewed the CSD document and the only place where multi-mode fiber is noted (and not crossed out) is on Page 9 “Distinct Identity”. However, as noted in the response, the introductory text was updated to better describe the contents of the file. Page 9 is part of the “Marked-up” IEEE P802.3df CSD used to create the initial P802.3dj CSD. If you look at slides 13-20, which is denoted as the “Final” CSD for the proposed P802.3dj PAR, there is no mention of multi-mode fiber that I see.
So if you compare the par with the csd in slides 13-20 you will see they are consistent in not mentioning multi-mode fiber.
I hope this helps.
john
From: ***** IEEE 802 Executive Committee List ***** <STDS-802-SEC@listserv.ieee.org> On Behalf Of Benjamin Rolfe
Sent: Thursday, November 17, 2022 7:52 PM
To: STDS-802-SEC@LISTSERV.IEEE.OR
Subject: Re: [802SEC] Response to IEEE 802.15 Comments - IEEE P802.3df / IEEE P802.3dj PAR / CSDs
Thank you John for the report.
I think a point in the comment was missed. The contradiction remains between the 802.3dj PAR Scope of the Project and the description of the proposed amendment in the CSD:
The dj PAR scope includes only single-mode fiber and coper:
5.2.b Scope of the project: Define Ethernet MAC parameters for 1.6 Tb/s. Define physical layer
specifications, and management parameters for the transfer of Ethernet format frames at 800 Gb/s and
1.6 Tb/s over copper and single-mode fiber physical medium dependent (PMD) sublayers based on 200
Gb/s or greater per lane signaling technologies.
The proposed amendment will define derivative physical layer specifications from those developed for 800 Gb/s and 1.6 Tb/s Ethernet to address copper, multi-mode fiber, and single-mode fiber specifications, based on a reduced number of physical lanes, for 200 Gb/s and 400 Gb/s Ethernet.
Which is correct, the PAR or the CSD?
Clint,
The IEEE P802.3df Task Force would like to thank IEEE 802.15 WG for its
review. Based on input received from groups in IEEE 802, it has become
apparent that more confusion was caused by our efforts to be transparent
regarding the division of work within the currently approved IEEE P802.3df
PAR.
To help correct that situation, two steps are being taken:
1. Attached, please find a copy of a chart that illustrates the
multiple IEEE P802.3df PMDs being targeted by the current IEEE P802.3df PAR,
and how they would be divided into the modified IEEE P802.3df PAR and the
new IEEE P802.3dj PAR.
2. The introductory text of the proposed CSD files has been updated to
better describe the contents of each file.
Regarding your input on the IEEE P802.3dj PAR:
Item 5.2 "Scope of the Project" has been modified to:
Define Ethernet MAC parameters for 1.6 Tb/s.
Define physical layer specifications, and management parameters for the
transfer of Ethernet format frames at 800 Gb/s and 1.6 Tb/s over copper and
single-mode fiber physical medium dependent (PMD) sublayers, based on 200
Gb/s per lane or greater signaling technologies.
Using the new definitions for 800 Gb/s and
1.6 Tb/s, define physical layer specifications and management parameters for
the transfer of Ethernet format frames at 200 Gb/s and 400 Gb/s, when
applicable.
Regarding your input on the IEEE P802.3dj CSD, Distinct Identity:
The intended Distinct Identity Response is on page 17 of the
submitted CSD File.
Multi-mode fiber was not intended to be part of the project,
therefore it is not mentioned.
Regarding your input on the IEEE P802.3dj CSD, Economic Feasibility:
The intended Distinct Identity Response is on page 19 of the
submitted CSD File.
Multi-mode fiber was not intended to be part of the project,
therefore it is not mentioned.
Based on these comments and issues raised during the IEEE 802.3df Task Force
on 16 Nov 2021:
* The IEEE P802.3df PAR was updated and can be accessed at <
https://mentor.ieee.org/802-ec/dcn/22/ec-22-0196-03-00EC-draft-ieee-p802-3df
-par-modification.pdf>
* The IEEE P802.3df CSD was updated and can be accessed at <
https://mentor.ieee.org/802-ec/dcn/22/ec-22-0197-02-00EC-draft-ieee-p802-3df
-csd-modification.pdf>
* The IEEE P802.3dj PAR was updated and can be accessed at <
https://mentor.ieee.org/802-ec/dcn/22/ec-22-0198-03-00EC-draft-ieee-p802-3dj
-par.pdf>
* The IEEE P802.3dj CSD was updated and can be accessed at <
https://mentor.ieee.org/802-ec/dcn/22/ec-22-0199-02-00EC-draft-ieee-p802-3dj
-csd.pdf>
Best Regards,
John D'Ambrosia
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