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[802.3_B400G] BER Discussion



All,

This week’s Study Group included some very good technical discussion on BER.  In my opinion these discussions ventured into a number of different areas that included not just the BER discussion, but started to go into the FEC architecture, application needs, and discussion of all of the necessary analysis.

 

While I recognize this discussion needs to happen, we do need to remember the process.  It is not the role of the Study Group to define the actual future standard.  Instead we define the project that will work on the development of the actual standard.

 

Therefore, performing the full analysis to resolve the BER issue to everyone’s satisfaction is something that likely won’t happen until we are in Task Force.  We need to identify the Ethernet rate or rates to be considered, the physical layer specifications, the specific FEC architecture, etc.  Please keep this in mind.

Also, as a reminder, the Study Group has a 6 month life with one 6 month extension.  So time is clearly an issue. 

 

Therefore, I will note to everyone, we will need to identify objectives that the group can live with, knowing that objectives can always be exceeded or changed (assuming the necessary consensus is achieved), in order for the actual project to progress. 

 

Please keep this in mind, as we look to define this project and move forward. 

 

I welcome everyone’s feedback and would encourage the Study Group to leverage using the reflector.

 

Regards,

 

John D’Ambrosia

Chair, IEEE 802.3 Beyond 400 Gb/s Ethernet Study Group

 


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