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Chris and John,
I fully expect the variants of 50Gb/s lanes to be an interesting topic of discussion during this effort. I specifically mentioned single lane 50 GbE since I’ve had numerous discussions around the market need to have that initiated. I definitely consider it within scope of this informal effort to bring all these other topics in as we work towards creating a successful CFI.
Within the single lane 50 GbE topic, I’m interested in the feedback I receive. I believe the primary motivation will be similar to the 802.3by motivation but I’d not be surprised if there is added interest in adding the SMF PMD to the group for different applications other than server access.
I would like to request clarification of your stated intent below. You state the CFI will focus on single lane 50Gb/s Ethernet. While I realize you are initiating this effort – in my opinion the discussion that I am seeing happen is essentially “n” by 50Gb/s per lane with 50GbE and 200GbE being discussed.
As this is a consensus building process, will you be allowing interested parties to bring presentations forward to state justification for why 200GbE should also be considered? Based on my conversations, I believe there are a number of individuals who would like these topics discussed together.
Could you also provide any more insight into what you are proposing for single lane 50GbE? Will this be like the .3by project – Backplane, Cu Twin-as, and MMF? Or is that a TBD in your mind that you hope to address during consensus building?
Thanks in advance for your answers.
I wanted to let everyone know that a number of people have started preliminary discussions that would lead towards having a Call-for-Interest on the topic of single lane 50 Gigabit/s Ethernet at a future plenary meeting of 802.3. If anyone is interested in helping and contributing, please let me know or talk to me In Pittsburgh. As we get further along, we will be sharing some of the plans and data we are gathering to support the CFI.