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[802.3_DIALOG] IEEE 802.3 July 2025 plenary meeting announcement - Registration Fee Required

Dear Colleagues,

IEEE 802.3 will hold its July 2025 plenary session from Monday, 28 July 2025, through Thursday, 31 July 2025. The plenary session will be held at the Meliá Castilla, Madrid, Spain, with support for mixed-mode attendance (i.e., remote attendance). Please note that the meetings are being planned around an in-person schedule, with remote access provided on a best-effort basis.

The IEEE 802.3 Working Group opening plenary meeting will begin at 11h15 CEST on Monday, 28 July 2025, and the IEEE 802.3 Working Group closing plenary meeting will begin at 14h15 CEST on Thursday, 31 July 2025. I will provide the IEEE 802.3 Working Group opening and closing plenary meeting call information and calendar invitations shortly. IEEE 802.3 Subgroup meetings will be scheduled between the IEEE 802.3 Working Group opening and closing plenary meetings. Please always check <https://ieee802.org/3/calendar.html> for the most up-to-date information.

As always, the IEEE 802 LAN/MAN Standards Committee session announcement, registration and current hotel information can be found through the 'Next IEEE 802.3 meeting notice' link <https://www.ieee802.org/3/interims/index.html>. To receive email updates and reminders for the plenary sessions, subscribe to the stds-802-ALL reflector <https://listserv.ieee.org/cgi-bin/wa?SUBED1=stds-802-ALL&A=1>. Payment of a registration fee is REQUIRED BY ANYONE WHO ATTENDS ANY MEETING, IN PERSON OR REMOTE, held during this plenary session. The registration website can be accessed directly at <https://cvent.me/B9X8ML>.

The draft agendas, as well as liaison letters, received so far, are available in the meeting minutes area <https://www.ieee802.org/3/minutes/jul25/index.html> and will be updated as required before the meeting. The agenda will be approved at the meeting. Several Working Group decisions are expected during the IEEE 802.3 meetings (most during the Thursday Closing plenary meetings). Depending on the amount of discussion, IEEE 802.3 WG meetings may run beyond their target ending times, so please plan your time accordingly.

Subclause 4.1 'Attendance at Meetings' of the IEEE 802 LMSC Working Group Policies and Procedures says that 'A participant shall attend at least 75% of a meeting slot's duration ...' and satisfy any registration requirements to gain 'Credited Attendance' at that meeting slot. It then goes on to say that 'A participant that has Credited Attendance in at least 75% of the meeting slots in a Session has Session Attendance Credit for that Session.'. A participant requires Session Attendance Credit at two of the last four plenary sessions, with the ability to substitute one credited interim session for one plenary session, to gain or retain IEEE 802.3 voting membership.

As has always been our practice, there will only be an opportunity to gain Credited Attendance on Monday during the IEEE 802.3 Working Group opening plenary, one slot, and on Thursday at the IEEE 802.3 Working Group closing plenary meeting, two slots. This, combined with four slots on Tuesday and Wednesday, will result in a total of eleven meeting slots where there is an opportunity to gain Credited Attendance during the plenary session. A participant will, therefore, have to gain Credited Attendance at a minimum of nine meeting slots (at least 75% of eleven) to obtain Session Attendance Credit towards gaining or retaining IEEE 802.3 voting membership.

At a high level, this will require attendance at a minimum of any three days out of the four-day Plenary Session, but the requirement to gain Credited Attendance at a minimum of 75% of the meeting slots of the Plenary Session can be achieved in any way a participant chose. This, for example, could be achieved by attending the IEEE 802.3 Working Group opening plenary slot on Monday morning, all four meeting slots on Tuesday, two meeting slots on Wednesday, and then the two IEEE 802.3 Working Group closing plenary slots on Thursday afternoon.

Any request to retrospectively add attendance in IMAT shall be made to the IEEE 802.3 Recording Secretary within four hours of the end of the respective IMAT meeting slot and accompanied by confirmation of attendance from the respective meeting Chair or other officer. If you attend a meeting but do not sign in to an IMAT meeting slot for some reason (e.g., you do not attend at least 75% of a meeting slot's duration), it is your responsibility to ensure your attendance is recorded in the respective meeting minutes by sending an email to the respective meeting chair.

I look forward to seeing you in Madrid, Spain.

David Law
  Chair, IEEE 802.3 Working Group
  mailto:david_law@xxxxxxxx
  +44 1631 563729


IEEE 802.3 Business
-------------------

Working Group Home page: <http://www.ieee802.org/3/index.html>

In addition to regular Working Group business, there will be Task Force, Study Group and Ad Hoc business based on the status below, as well as two Calls for Interest.


IEEE 802.3 Maintenance Task Force
---------------------------------

Task Force Home page: <http://www.ieee802.org/3/maint/index.html>

The IEEE 802.3 Maintenance Task Force will not be meeting during the plenary session due to overlapping time commitments of potential attendees. Instead, the IEEE 802.3 Maintenance Task Force will hold a teleconference interim meeting on Monday, 21 July 2025, from 14h00 to 16h00 UTC. This meeting will consider new maintenance requests, review the status of outstanding maintenance requests, consider a request for a two-year extension of the IEEE Std 802.3-2022 revision, and any other maintenance business.

Questions about the Task Force can be addressed to the Task Force Chair, Mr Adam Healey.


IEEE P802.3da 10 Mb/s Single Pair Multidrop Segments Enhancement Task Force
---------------------------------------------------------------------------

Task Force home page: <http://ieee802.org/3/da/index.html>

The IEEE P802.3da Task Force has completed the Working Group ballot process and is seeking approval to proceed to Standards Association ballot. The IEEE P802.3da Task Force, therefore, does not expect to meet during the plenary session.

Questions about the Task Force can be addressed to the Task Force Chair, Mr Chad Jones.


IEEE P802.3dg 100 Mb/s Long-Reach Single Pair Ethernet Task Force
-----------------------------------------------------------------

Task Force home page: <http://ieee802.org/3/dg/index.html>

The IEEE P802.3dg Task Force is currently working towards a technically complete draft for Working Group ballot and expects to submit a draft to the Working Group for preview before the plenary session in preparation for a request to proceed to Working Group ballot. The IEEE P802.3dg Task Force, therefore, expects to be meeting during the plenary session to progress the request to proceed to Working Group ballot.

Questions about the Task Force can be addressed to the Task Force Chair, Mr George Zimmerman.


IEEE P802.3dj 200 Gb/s, 400 Gb/s, 800 Gb/s, and 1.6 Tb/s Ethernet Task Force
----------------------------------------------------------------------------

Task Force home page: <https://ieee802.org/3/dj/index.html>

The IEEE P802.3dj Task Force is currently considering comments received during the initial Working Group ballot of IEEE P802.3dj draft D2.0. The IEEE P802.3dj Task Force expects to be still considering these comments during the plenary session in preparation for the first Working Group recirculation ballot.

Questions about the Task Force can be addressed to the Task Force Chair, Mr John D'Ambrosia.


IEEE P802.3dk Greater than 50 Gb/s Bidirectional Optical Access PHYs Task Force
-------------------------------------------------------------------------------

Task Force home page: <https://ieee802.org/3/dk/index.html>

The IEEE P802.3dk Task Force expects to be considering comments received during a third Working Group recirculation ballot of IEEE P802.3dj draft D2.3 closing prior to the plenary session. Since the IEEE P802.3dk Task Force is nearing completion of the Working Group ballot process, it also expects to seek conditional approval to proceed to Standards Association ballot.

Questions about the Task Force can be addressed to the Task Force Chair, Ms Yuanqiu Luo.


IEEE P802.3dm Asymmetrical Electrical Automotive Ethernet Task Force
--------------------------------------------------------------------

Task Force home page: <https://ieee802.org/3/dm/index.html>

The IEEE P802.3dm Task Force is working on the selection of a set of baseline proposals to satisfy the project objectives, progressing towards a technically complete draft for Working Group ballot.

Questions about the Task Force can be addressed to the Task Force Chair, Mr Jon Lewis.


IEEE P802.3dp Cabling Restrictions for Single Pair Power over Ethernet Task Force
---------------------------------------------------------------------------------

Task Force home page: <https://ieee802.org/3/dp/index.html>

The IEEE P802.3dp Task Force is working on the selection of a set of baseline proposals to satisfy the project objectives, progressing towards a technically complete draft for Working Group ballot.

Questions about the Task Force can be addressed to the Task Force Chair, Mr Chad Jones.


IEEE P802.3-2022/Cor 2 (IEEE 802.3dr) Optical Automotive Ethernet TDFOM
-----------------------------------------------------------------------

Task Force home page: <https://www.ieee802.org/3/dr/index.html>

The IEEE P802.3-2022/Cor 2 (IEEE 802.3dr) Optical Automotive Ethernet TDFOM corrigendum PAR was approved on 28 May 2025. The first meeting of the IEEE P802.3-2022/Cor 2 (IEEE 802.3dr) Optical Automotive Ethernet TDFOM Task Force will occur during the plenary week.

Questions about the Task Force can be addressed to the Task Force acting Chair, Mr Luisma Torres.


IEEE P802.3.2 (IEEE 802.3.2a) YANG Data Model (Revision) Task Force
-------------------------------------------------------------------

Task Force home page: <https://ieee802.org/3/2/a/index.html>

The IEEE 802.3.2a Task Force expects to be considering comments received during a fourth Standards Association recirculation ballot of IEEE 802.3.2a draft D3.4 closing prior to the plenary session. Since the IEEE 802.3.2a Task Force is nearing completion of the Standards Association ballot process, it also expects to seek approval to proceed to RevCom submittal.

Questions about the Task Force can be addressed to the Task Force Chair, Mr Marek Hajduczenia.


IEEE 802.3 Pin-Optimized PHY Interface Study Group
--------------------------------------------------

Study Group home page: <https://www.ieee802.org/3/POPI/index.html>

The IEEE 802.3 Pin-Optimized PHY Interface Study Group has developed and approved the draft IEEE P802.3dq IEEE Standard for Ethernet Amendment: Physical Layer Specifications and Management Parameters for a Pin Optimized Interface Between a MAC and a PHY, as well as supporting CSD and objectives. The draft PAR, CSD and objectives are pending IEEE 802.3 Working Group approval at this meeting before seeking approval of both the PAR and CSD by the IEEE 802 LMSC. The draft PAR, CSD and objectives can be accessed as follows:

Draft PAR request: <https://mentor.ieee.org/802-ec/dcn/25/ec-25-0127-00-LMSC-ieee-p802-3dq-draft-par.pdf>
Draft CSD: <https://mentor.ieee.org/802-ec/dcn/25/ec-25-0128-00-LMSC-ieee-p802-3dq-draft-csd.pdf>
Draft objectives: <https://www.ieee802.org/3/POPI/POPI_DRAFT_Objectives_2025-06-18_v01.pdf>

Since the submission deadline for the September 2025 NesCom meeting occurs on the Thursday of the July 2025 IEEE 802 LMSC meeting, I have pre-submitted the draft PAR to NesCom on the understanding that any changes to the draft PAR text resulting from the Plenary review process will be promptly communicated to the NesCom Administrator and should the IEEE 802.3 Working Group or the IEEE 802 LMSC not approve the submission, it will be removed from the NesCom agenda.

Questions about the Study Group can be addressed to the Study Group Chair, Mr Jason Potterf.


200 Gb/s per wavelength Multimode Fibre (MMF) optical PHYs call for interest 
----------------------------------------------------------------------------

CFI page: <http://www.ieee802.org/3/cfi/request_0725_1.html>

The following request for agenda time for a 200 Gb/s per wavelength Multimode Fibre (MMF) optical PHYs call for interest has been received from Mabud Choudhury.

----

Links comprising multimode fiber (MMF) cable and VCSEL-based transceivers have played a key role in implementing multiple generations of Ethernet data rates in data centers for short reach. Ethernet has a proven track record of reusing and leveraging technology to enable new cost-optimized solutions for broad market adoption in these short-reach applications. IEEE 802.3db and IEEE 802.3df Ethernet projects defined specifications for 100 Gb/s, 200 Gb/s, 400 Gb/s, and 800 Gb/s operation over MMF using 100 Gb/s signaling. These Ethernet standards have gained market adoption in high bandwidth, high growth artificial intelligence (AI) back-end networks, as well as front-end networks for server-attachment, due to their lower power and lower cost than other optical technologies and their longer reaches than copper technologies. The continual growth of bandwidth demand has driven the evolution of even higher Ethernet speeds, most recently with 200 Gb/s, 400 Gb/s, 800 Gb/s, and 1.6 Tb/s Ether
 net using 200 Gb/s signaling specifications being developed by the P802.3dj project. Now, the technology for 200 Gb/s per wavelength VCSEL-MMF links has reached a level that suggests the time is right to study an interoperable Ethernet MMF specification that will have broad market adoption.

This is a call for interest to initiate a Study Group to explore the potential market requirements and feasibility of addressing AI/Data Center networks, and to develop a PAR and CSD for 200 Gb/s per wavelength MMF optical PHYs.

----

The call for interest will take place during the IEEE 802.3 Opening Plenary on the morning of Monday, 28 July 2025. The vote to determine if a Study Group will be formed will take place at the IEEE 802.3 Closing Plenary on the afternoon of Thursday, 31 July 2025. A call for interest consensus-building teleconference meeting has been scheduled to occur on Tuesday, 22 July 2025, from 14h00 to 16h00 UTC.


Ethernet Metadata Services call for interest 
--------------------------------------------

CFI page: <http://www.ieee802.org/3/cfi/request_0725_2.html>

The following request for agenda time for an Ethernet Metadata Services call for interest has been received from David Ofelt.

----

One can view IEEE 802.3 Ethernet's primary function to be exchanging Ethernet frames between endpoints. It can be useful in many applications to augment those frames with additional control information to provide extra functionality between endpoints. This control information is considered metadata and can be associated with the frame or communicated as information that is independent of the frames.

There have been proprietary implementations in the industry that use metadata to provide features such as channelized Ethernet. Recently the AI/ML/HPC market has been identifying new extensions that provide capabilities such as retry for lost frames and new, richer, flow control functionality. Many of these are considering different mechanisms to provide very similar functionality.

Historically, there are several amendments to the Ethernet standard that provide extensions to allow transmission of metadata such as EPON, Packet Preemption, and Link Degrade signaling as examples.

There is an opportunity for 802.3 to provide the industry with a set of clean, extensible, per-frame and frame-independent multi-vendor interoperable mechanisms for metadata exchange which should facilitate future innovations using a common approach. This will allow extensions to ethernet to be defined by other SDOs for new or unforeseen features to meet evolving industry needs while maintaining the interoperability that makes ethernet ubiquitous.

This Call for Interest is to assess the support for formation of an "Ethernet Metadata Services" study group in IEEE 802.3 to consider the development of a PAR and CSD to address adding a common approach to support per-frame and frame-independent metadata services to IEEE 802.3 Ethernet.

----

The call for interest will take place during the IEEE 802.3 Opening Plenary on the morning of Monday, 28 July 2025. The vote to determine if a Study Group will be formed will take place at the IEEE 802.3 Closing Plenary on the afternoon of Thursday, 31 July 2025. A call for interest consensus-building teleconference meeting has been scheduled to occur in the NEA on Tuesday, 22 July 2025, from 14h00 to 16h00 UTC.


IEEE 802.3 New Ethernet Applications (NEA) Industry Connections Ad Hoc
----------------------------------------------------------------------

Ad Hoc home page: <http://www.ieee802.org/3/ad_hoc/ngrates/index.html>

The IEEE 802.3 New Ethernet Applications (NEA) Industry Connections Ad Hoc is not planning to meet during the plenary session.

Questions about the Ad Hoc can be addressed to the Ad Hoc Chair, Mr Jon Lewis.


IEEE 802.3 Power Distribution Coordinating Committee (PDCC) Ad Hoc
------------------------------------------------------------------

Ad Hoc home page: <https://ieee802.org/3/ad_hoc/PDCC/index.html>

The Ad Hoc will continue its task of reviewing output and building consensus on input for liaison regarding power delivery over cabling cited in IEEE 802.3 standards and projects.

Questions about the Ad Hoc can be addressed to the Ad Hoc Chair, Mr Chad Jones.


IEEE 802.3 Channel Operating Margin (COM) Open Source Ad Hoc
------------------------------------------------------------

Ad Hoc home page: <https://www.ieee802.org/3/ad_hoc/COM/index.html>

The IEEE 802.3 Channel Operating Margin (COM) Open Source Ad Hoc is not planning to meet during the plenary session.

Questions about the Ad Hoc can be addressed to the Ad Hoc Chair, Mr Kent Lusted.


IEEE 802.3 YANG Ad Hoc
----------------------

The IEEE 802.3 YANG Ad Hoc will be continuing to consider potential paths for moving IEEE 802.3 YANG into an IEEE OSCOM open-source project.

Questions about the Ad Hoc can be addressed to the Ad Hoc Chair, Mr Peter Jones.


Project Authorization Requests (PARs) and Industry Connections Work Item proposals
==================================================================================

The following are the PARs from other working groups that have been announced for consideration at the plenary so far. Comments are due by 18h30 CEST on Tuesday, 29 July 2025. An IEEE 802.3 PAR Review Ad Hoc teleconference meeting will be held on Monday, 7 July·2025 from 14h00 to 15h00 UTC <https://www.ieee802.org/3/calendar.html>.

Amendment PAR
-------------

IEEE P802.1Qee Bridges and Bridged Networks Amendment: Traffic Engineering for Bridged Networks with Significant Delay Variance
PAR <https://www.ieee802.org/1/files/public/docs2025/ee-draft-PAR-0525-v01.pdf>
CSD <https://www.ieee802.org/1/files/public/docs2025/ee-draft-CSD-0525-v01.pdf>

PAR extension requests
----------------------

IEC/IEEE 60802 Time-Sensitive Networking Profile for Industrial Automation
PAR extension request: <https://www.ieee802.org/1/files/public/docs2025/60802-draft-PAR-extension-0525-v01.pdf>

IEEE P802.1Qdq Bridges and Bridged Networks Amendment: Shaper Parameter Settings for Bursty Traffic Requiring Bounded Latency
PAR extension request: <https://www.ieee802.org/1/files/public/docs2025/dq-draft-PAR-extension-0525-v01.pdf>


IEEE 802 Tutorials
==================

IEEE 802 Tutorials home page: <https://ieee802.org/Tutorials.html>

There is one tutorial planned for this plenary session as follows.

Date and time: Monday 28 July 2025 from 19h15 to 20h35 CEST
Title: Your IEEE 802 LMSC and You!
Summary: An introduction to the IEEE 802 LMSC. And why you should be involved.
Presenter: Dave Halasz

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