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RE: [1904.4 TF] Action Item #23



Hi Ryan,

 

Thank you for sharing the contribution. The added options are all fine and the description is consistent with what we had before. But as I was reading through this document, I realized that it is not clear what exactly this attribute represents.

 

This attribute (as is the entire branch 0xDB) can only be used when ONU operates in 25G or 50G mode (i.e., compliant with 1904.4). But if the ONU is operating in 25G mode and this attribute reports that 10G downstream and 10G upstream are supported, does this mean that ONU ASIC supports these rates, or both ASIC and optics support them? Does it also mean that hardware can support both 802.3ca and 802.3av and the software can fully support both 1904.4 and 1904.1?

 

I think we should use our consensus call tomorrow (if we have time) to discuss and clarify the exact meaning of â??supported modeâ??. I am thinking that we should define it as a mode that ONU device can register under without any changes to any of its hardware or the installed firmware.

 

We also may need to distinguish 802.3av from 802.3ca flavor for the 10G upstream rate.

 

Regards,

Glen

 

From: Tucker, Ryan R <Ryan.Tucker@xxxxxxxxxxx>
Sent: Monday, July 12, 2021 9:49 AM
To: STDS-1904-4-TF@xxxxxxxxxxxxxxxxx
Subject: [1904.4 TF] Action Item #23

 

Hi All

 

Iâ??ve attached my suggested updates for Item 23 on the action log.

 

Please let me know if there are any questions/concerns/suggestions.

 

Thanks

 

Ryan

 

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