Re: [STDS-802-11-TGBN] [Roaming TTT]: Please review proposed resolution

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While this update is not incorrect, I think it is rather losing the original point of the note, which was to emphasize that the procedure used when transitioning back to the AP MLD through which association was done is the same as any other SMD transition (using the existing SMD_KDK), as opposed to using the procedure that was previously performed with that AP MLD on association (deriving a new SMD_KDK)

Thanks

Thomas

On Sat, Nov 8, 2025 at 11:36 AM M Montemurro <montemurro.michael@xxxxxxxxx> wrote:

The only additional change I'd make is to correct my typo. Change "ff" to "if"

Cheers,

Mike

On Sat, Nov 8, 2025 at 11:30 AM 罗朝明(Chaoming Luo) <000015d97e832564-dmarc-request@xxxxxxxxxxxxxxxxx> wrote:

That looks better.

And one more: what the note is trying to say is the SMD-KDK remains while PTK is renewed, no matter the target AP MLD has been connected or not. Suggest a massage to the text as:

NOTE --- While maintaining an association to an SMD-ME, ff a non-AP MLD performs a SMD BSS transition to a target AP MLD, the existing SMD-KDK is maintained while a new per-AP MLD PTK is derived using that SMD_KDK.

BR,

Chaoming

发件人: Abhishek Patil <appatil@xxxxxxxxxxxxxxxx>
发送时间: 2025年11月8日 11:21
收件人: 罗朝明(Chaoming Luo) <luochaoming@xxxxxxxx>; STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
主题: RE: [Roaming TTT]: Please review proposed resolution for 6147

Hi Chaoming,

Thank you for your suggestion.

Please see Mike’s suggestion on this topic. The text “While maintaining an association to an SMD-ME … ” at the start of the sentence will confine the ‘past’ context only to be within the ‘current’ SMD-ME association. Would you be fine with Mike’s suggested text?

Regards,
Abhi

From: 罗朝明(Chaoming Luo) <luochaoming@xxxxxxxx>
Sent: Friday, November 7, 2025 8:10 PM
To: Abhishek Patil <appatil@xxxxxxxxxxxxxxxx>; STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: RE: [Roaming TTT]: Please review proposed resolution for 6147

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Hi Abhi,

Would “in the past” be too broad? 1 day in the past, 1 year in the past? What if the existing SMD_KDK is derived in a different SMD?

Maybe add some restriction to the SMD_KDK helps: the new Per-AP MLD PTK is derived using the existing SMD_KDK cached for that SMD-ME as described in the previous paragraph

BR,

Chaoming

发件人: Abhishek Patil <0000297b717f2a04-dmarc-request@xxxxxxxxxxxxxxxxx>
发送时间: 2025年11月8日 10:28
收件人: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
主题: [STDS-802-11-TGBN] [Roaming TTT]: Please review proposed resolution for 6147

Hi TTT members for roaming,

Thomas and I discussed and came up with the following text as resolution for CID 6147. Could you please review and let us know if you have any suggestions for the proposed text:

6147

Chien-Fang Hsu

37.16.5.4

245.40

the definition of "initial AP MLD" is not clear.

define the initial AP MLD as the AP MLD that the non-AP MLD performs initial association to the SMD-ME

Regards,
Abhi

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Re: [STDS-802-11-TGBN] [Roaming TTT]: Please review proposed resolution for 6147