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Re: [STDS-802-11-TGBN] Straw Polls on Roaming for 11bn MAC - Montreal

Hi Alfred,

 

              Can you also help to add the following SP for roaming?

 

Do you support the following:

o   Define a request frame for a non-AP MLD in state 4 to initiate the roaming procedure

o   The roaming procedure enables context transfer to the target AP MLD and move DS mapping from current AP MLD to target AP MLD

o   Define a response frame to the non-AP MLD to indicate readiness for the non-AP MLD to send class 3 frames to the target AP MLD

o   The non-AP MLD shall not send any data during the request/response frame exchange

o   NOTE - What context is transferred is TBD.    

 

 

Do you support the following:

o   At the time the response frame to initiate the roaming procedure is sent, the following shall be complete

·       The non-AP MLD context that is required for resuming operation with the target AP MLD shall be transferred to the target AP MLD

o   After this request/response frame exchange to initiate the roaming procedure,

·       If DS is not already notified about the update of the destination mapping for the non-AP MLD, DS is notified about the update of the destination mapping for the non-AP MLD

·       The current AP MLD shall not pass up any user data in the received reorder buffer to the next MAC process after the response frame is sent.

o   NOTE - What context is transferred is TBD.    

 

Supporting list: [23/1971, 23/1996, 24/0052, 24/0083, 24/0101, 24/0396, 24/0412, 24/0679]

 

Best,

Po-Kai

From: Giovanni Chisci <00002b657bbbbed7-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Friday, July 12, 2024 5:28 PM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBN] Straw Polls on Roaming for 11bn MAC - Montreal

 

Dear Alfred,

 

Please find below some straw polls on Roaming I am planning to run for 11bn MAC agenda  in the upcoming week:

 

  • Straw poll 1: Do you support to define in 11bn that when a non-AP MLD is in the process of roaming from the current AP MLD to a target AP MLD, the context related to the non-AP MLD is transferred to the target AP MLD such that it preserves the data exchange context for the non-AP MLD?
    • Details of the context that can be transferred are TBD
    • How to transfer the context is TBD.

 

  • Straw poll 2: Do you agree that during roaming, after the request/response exchange that initiates notification of the DS mapping change from the current AP MLD to the target AP MLD,
    • The current AP MLD is able to deliver buffered DL data frames for a TBD period of time.
    • The non-AP MLD may retrieve buffered DL data frames from the current AP MLD
    • TBD – The non-AP MLD shall not send UL data to current AP MLD
    • The non-AP MLD may send UL data to target AP MLD.
    • It is assumed that the target AP MLD is able to deliver data frames after the DS mapping change

 

Supporting list: [23/1971, 23/1996, 24/0052, 24/0083, 24/0101, 24/0396, 24/0412, 24/0679]

 

At all participants, let me know if you have comments and would like to have your presentation to be added to the support list.

 

Best,

Giovanni

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