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Re: [802.3_100GEL] [802.3ck] max_wait_timer comment #18 on Agenda for 18 March telephonic meeting

Kent,

 

Thanks for bringing this up.

If I recall correctly, it was originally suggested to set this to 15 seconds by Jeff Slavick at the September 2018 meeting, but after discussion we changed it to TBD.

There was concern from me and others that 15 seconds is quite long, and we should not set it to that unless we had data showing that 15 seconds was required.

 

Looking at comment #18 I don’t see any real data on why we should set it to 15 seconds except for ‘high complexity’.

I personally would want to see some data justifying a value before choosing a value.

 

Thanks, Mark

 

 

 

 

From: Lusted, Kent C <kent.c.lusted@xxxxxxxxx>
Sent: Tuesday, March 17, 2020 9:04 AM
To: STDS-802-3-100GEL@xxxxxxxxxxxxxxxxx
Subject: [802.3_100GEL] [802.3ck] max_wait_timer comment #18 on Agenda for 18 March telephonic meeting

 

Dear Colleagues,

 

There is a comment (#18) on the proposed agenda for the 18 March 2020 telephonic meeting to set the max_wait_timer value.  The max_wait_timer value is currently TBD in Draft 1.1.    The proposed response suggests a value of 15 seconds as the first choice or 10 seconds as the second choice. 

 

Knowing that there are likely to be strong opinions on the topic and limited time for discussion on the call, I wanted to kick off the conversation on the reflector in order to better understand the thoughts of the participants on this subject. 

 

Questions and thoughts for consideration are, but not limited to:

·         How big or small of a value would make max_wait_timer unacceptable to you?

·         How does the timer value impact the ecosystem from your perspective:  SERDES, systems, media, customer perception?

·         What are your feedback and experiences from lower rates (i.e. 25G/lane or 50G/lane) that can or should be applied to this rate?

 

 

Hopefully we can work towards a consensus solution in advance of the meeting. 

 

With regards,

-Kent

 

 

 

 

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