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Re: [STDS-802-11-TGBN] Seamless roaming PDT Part 3, Part 4, and Part 5

Hi Duncan,

Thanks for preparing the drafts. 
Please find my comments as below:
To Part 4:
1. Why the direct preparation to target AP MLD is performed separately? Since the non-AP MLD can exchange the frames with the target AP MLD, it means that the non-AP MLD is already in the coverage of targe AP MLD. Also the emergency case is aimed as said in the PDT, the time seems too long with perform both prepareation and execution, which makes it more valuable. 
Why not merging the preparation function to the execution?

2. Why is the new random MAC address assigned? Can be it recognized by all the other AP MLD in the same SSD?
Also, how to use this new MAC address is missing in the subclauses for preparation and execution phase, which makes it imcomplete soltuion.

3. The new MAC address is sent securely to the non-AP MLD but it is not clear how. Also this IE cannot be sent in the PDT of part 5. Does it imply that this address is sent without using the frames in 802.11?

To Part 5:
Why is the target AP MLD address and listen interval in preparation request are deleted? Is this intentional?
BRs,

Haorui Yang(Rae)

China Mobile
---- Replied Message ----
From Duncan Ho<00002b3e54cff3e2-dmarc-request@xxxxxxxxxxxxxxxxx>
Date 7/19/2025 13:23
To <STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx>
Subject [STDS-802-11-TGBN] Seamless roaming PDT Part 3, Part 4, and Part 5

Dear Seamless Roaming TTT,

I’ve prepared these documents for the ad-hoc meeting next week. Could you please let me know if you have any comments or questions?

25/753r2 PDT MAC on Seamless Roaming Part 3 (Security) – the r1 was presented before so this is an updated version

25/1020r0 PDT-CR MAC on Seamless Roaming Part 4 (Emergency roaming) – not presented before

25/1101r0 PDT-CR MAC on Seamless Roaming Part 5 (Detailed frame formats and signaling) – not presented before

Thanks,

Duncan

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