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[802.3_SPEP2P] [GT10MbSPE] Latency objective discussion



Hi All,

 

In our last meeting, we had a lot of good discussions on the latency objective and we ended up with a draft latency objective as below

 

“ Support a low latency mode of operation with ≤ 1.5usec latency for constrained link segment specifications (e.g., insertion loss or noise)”

 

Personally I like this wording because it links the low latency to constrained link segment in IEEE 802.3 language.

 

There is one point that is not quite clear to me is that “ ≤ 1.5usec latency” is for transmit, or receive or the sum of transmit and receive.   Based upon what we have discussed in last meeting, this “ ≤ 1.5usec latency” should be the sum of transmit and receive latency.  I would like to propose the following modification as highlighted in red to make it clear.

 

“ Support a low latency mode of operation with ≤ 1.5usec of the sum of transmit and receive latency for constrained link segment specifications (e.g., insertion loss or noise)”

 

Any comments here?

 

Dayin XU | 徐达银

Principal Engineer | Rockwell Automation

+86-21-61288390 | dyxu@xxxxxxxxxxxxxxx

 


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