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Jon,
The IEEE P802.3df Task Force would like to thank IEEE 802.11 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 P802.3df PAR:
Item 4.2 "Expected Date of submission of draft to the IEEE
SA for Initial Standards Committee Ballot"
The IEEE P802.3df Task Force adopted date
is Nov 2023. Due to issues with the Myproject system, a date earlier than
2024 could not be entered. Post processing by IEEE SA was required after
submission of the PAR to NesCom. The updated PAR reflects the adopted Nov
2023 date.
Item 5.2 "Scope of the Project" has been modified to:
Define Ethernet MAC parameters, physical
layer specifications, and management parameters for the transfer of Ethernet
format frames at 800 Gb/s over copper, multi-mode fiber, and single-mode
fiber physical medium dependent (PMD) sublayers based on 100 Gb/s per lane
signaling technology.
Using these new definitions for 800 Gb/s,
define physical layer specifications and management parameters for the
transfer of Ethernet format frames at 400 Gb/s.
Item 8.1: "Additional Explanatory Notes" has been modified
to:
Items 2.1, 4.2, 4.3, 5.2B, 7.1: It became
apparent to the IEEE 802.3 Working Group that a portion of the project would
leverage existing 100 Gb/s per lane signaling technologies developed for
existing standards and projects, while the other portion of the project
would leverage new 200 Gb/s or greater per lane signaling technologies. It
was also recognized that the development of a standard based on existing
technologies would occur on a faster timeline than a standard based on the
development of new signaling technologies. As a result, the portion of the
project that would leverage new 200 Gb/s or greater per lane signaling
technologies has been removed from the IEEE P802.3df amendment PAR and
placed in the new IEEE P802.3dj amendment PAR.
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 or greater per lane signaling technologies.
Using these 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.
Based on these changes to the P802.3dj PAR, subsequent changes were made to
the P802.3dj CSD
Distinct Identity, 2nd Bullet has been modified to:
The proposed amendment will be the first
IEEE 802.3 standard defining 200 Gb/s, 400 Gb/s, and 800 Gb/s Ethernet
physical layer specifications based on 200 Gb/s or greater per lane
signaling technologies.
Technical Feasibility, 4th Main bullet - 1st sub bullet has
been modified to:
Contributions have been made that presented
data at 800 Gb/s and 1.6 Tb/s over copper and single-mode fiber based on 200
Gb/s or greater per lane signaling technologies. Proposals, which either
leverage existing technologies or employ new technologies, have been
provided.
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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