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Re: [STDS-802-11-TGM] Questions on D7.0 changes to clause 12.5.2.4.4



--- This message came from the IEEE 802.11 Task Group M Technical Reflector ---

Hello Henry,

 

The change is a result of implementing the resolution of CID 8149. Unfortunately, Editor made an error.  According the resolution of CID 8149, “CCMP of GCMP header” should be “CCMP or GCMP header”.

However, someone may still answer your question:  why is any GCMP text included here?

 

See table below:

8149

3037.00

12.5.2.4.4

V

"the separate replay counter for individually addressed Protected Fine Timing frames shall be used if the FTM subfield of the CCMP Header" -- what if GCMP is used rather than CCMP?

As it says in the comment

REVISED (SEC: 2024-07-18 18:09:35Z) Change “FTM subfield of the CCMP Header (Figure 12-15 (Expanded CCMP MPDU(#3525)(11az)))” to “FTM subfield of the CCMP or GCMP header (Figure 12-15 (Expanded CCMP MPDU(#3525)(11az)) or Figure 12-28 (Expanded GCMP MPDU(11az)))”.

 

Regards,

Emily

From: Henry Ptasinski <henry@xxxxxxxxxx>
Sent: Thursday, August 01, 2024 3:54 PM
To: STDS-802-11-TGM@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGM] Questions on D7.0 changes to clause 12.5.2.4.4

 

--- This message came from the IEEE 802.11 Task Group M Technical Reflector ---

Hi,

 

Could somebody explain these changes to the replay detection text (redline of D7.0 vs D6.0 shown)?

 

 

With these changes, it now refers to "the CCMP of GCMP header", which obviously doesn't make any sense.  Also, why is any GCMP text included here?  GCMP replay detection is handled in 12.5.4.4.4.  (Also note that the equivalent step (i) is completely missing from 12.5.4.4.4.)

 

Maybe there were some misapplied edits?

 

Thanks,

--

Henry Ptasinski

President

Element78 Communications LLC

+1-415-608-0637


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