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[802.3_SPMD] Proposed consensus points for PLCA node assignment

Listening to the discussion on Kamal’s presentation today, I’m considering proposing some consensus points for consideration by the group, please respond to the reflector with your opinions, and I can prepare a presentation / motion for consideration. (I’ve numbered them for easy reference).  Please feel free to add, if you see other points of consensus, but at least indicate your agreement or disagreement on these.


Any node assignment protocol for PLCA shall:

  1. Have no impact on EM emissions – preferably demonstrated by measurements (in my experience, EMC ‘plausability arguments’ often result in errors)
  2. Be interoperable with CSMA/CD nodes on the network in a plug-and-play matter, without reconfiguration on detected errors
  3. Be at least as fast as LLDP node ID allocation
  4. Be compatible with nodes transitioning into a sleep state, where they are powered down and do not communicate. (e.g., a EEE (data) sleep mode, a power-down sleep mode as defined in clause 104, or ‘partial networking’ as defined in OPEN alliance)





George Zimmerman, Ph.D.

President & Principal

CME Consulting, Inc.

Experts in Advanced PHYsical Communications




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