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[STDS-802-11-TGBE] [CR-MAC] Feedback requested for resolution of CID 2469 (Replacing Link ID with AP ID)



Hello all,

 

I have prepared the CR document 11-21/0526r0 that addresses CID 2469.

 

The comment asks for replacing the term “Link ID” with “AP ID”. An analysis of the changes this replacement would entail shows that several statements in the draft would be simplified. More importantly, the term “AP ID” is more in line with the true meaning of the subfield that is today referred to as “Link ID”. Thus, I agree with the commenter about the change. I would like to gather the group’s feedback and opinion regarding this.

 

I have included a short discussion section in the document that is shown below for convenience.

The 11be draft 0.4 states the following about “Link ID”:

•             Page 113, line 6: “NOTE 2—The link identifier is unique to an AP within an AP MLD.”

 

Further, draft 0.4 also has the following statement:

•             Page 197, lines 8-9: “An AP of an AP MLD shall have a unique Link ID that shall not change during the lifetime of the AP MLD.”

 

Considering the above statements, the use of the term “AP ID” in place of “Link ID” seems more appropriate, as it is used to uniquely identify an AP affiliated with an AP MLD. This replacement also shortens and simplifies several statements as shown in the following pages of this document. For example:

•             (9.6.13.20(WNM Sleep Mode Response frame format)) “The Key field is the IGTK being distributed for the AP operating on the link identified by the Link ID subfield.” will simplify to “The Key field is the IGTK being distributed for the AP identified by the AP ID subfield.”

•             (35.3.4.2 (Use of ML probe request and response)) “the Link ID of the AP is equal to the value in the Link ID field in a Per-STA Profile subelement in the Multi-Link element in the Probe Request frame.” will simplify to “the AP ID of the AP matches the AP ID field in a Per-STA Profile”

 

In addition, the term “link” is often used for an entity that connect two endpoints, and from that perspective an AP can terminate several links, which makes the phrase “the link” in sentences such as the following weak:

The Key field is the IGTK being distributed for the AP operating on the link identified by the Link ID subfield.

In contrast, the revised statement reads much clearer.

                The Key field is the IGTK being distributed for the AP identified by the AP ID subfield.

 

I request everyone to look at the document and provide their feedback.

 

Thanks,

Gaurang


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