IEEE P802.11 Wireless LANs Proposed Resolution to CID 1548 Date: 2018-09-12 Author(s): Name Affiliation Address Phone email 6501 William Canon Michael Fischer NXP Semiconductors +1-210-240-4096 maf88@mac.com Austin, TX 78735, USA 1548 The definition for The "correct" resolution of this Homogeneous ESS is almost conflict is neither simple nor certainly not correct (assuming obvious, and the ARC SC has the definition of Extended an agenda item to discuss this Service Set is correct), because very issue. It is likely that the Homogeneous ESS is incorporation of what is decided stated to be a "collection of for this matter by the ARC SC BSSs within the same ESS in will satisfy this comment. The which every ..." Whereas the simplest change would be to definition of ESS is "A set of eliminate the concept of one or more interconnected Homogeneous ESS and to basic service sets (BSSs) that rename HESSID to something appears as a single BSS to the that reflects the identification of logical link control (LLC) layer at a set of available subscription any station (STA) associated services (which is how HESSID with one of those BSSs." If all is used). However, preliminary BSSs in an ESS appear the discussion in ARC SC suggests same to associated stations, the that ESS and HESS may criteria which are supposed to actually be two, distinct things, be homogeneous in the HESS in which members of the HESS are implicit for an ESS, hence might not necessarily be in a the term "ESS" can be used and single ESS, in which case a a form with an extra adjective is proper definition, and likely a unnecessary. If there is an new name for HESS, would be actual difference between an appropriate. ordinary ESS and a Homogeneous ESS, the definition should make this difference clear (or the definition of ESS should be changed so that the definition of Homogeneous ESS is not redundant). Resolution of this comment may affect subsequent subclauses where Homogeneous ESS and/or HESSID is mentioned. There does not appear to be a problem with the concept of an HESSID, in the manner
IEEE P802.11 Wireless LANs Proposed Resolution to CID 1548 Date: 2018-09-12 Author(s): Name Affiliation Address Phone email Michael Fischer NXP Semiconductors 6501 William Canon Austin, TX 78735, USA +1-210-240-4096 maf88@mac.com 1548 The definition for Homogeneous ESS is almost certainly not correct (assuming the definition of Extended Service Set is correct), because the Homogeneous ESS is stated to be a "collection of BSSs within the same ESS in which every ..." Whereas the definition of ESS is "A set of one or more interconnected basic service sets (BSSs) that appears as a single BSS to the logical link control (LLC) layer at any station (STA) associated with one of those BSSs." If all BSSs in an ESS appear the same to associated stations, the criteria which are supposed to be homogeneous in the HESS are implicit for an ESS, hence the term "ESS" can be used and a form with an extra adjective is unnecessary. If there is an actual difference between an ordinary ESS and a Homogeneous ESS, the definition should make this difference clear (or the definition of ESS should be changed so that the definition of Homogeneous ESS is not redundant). Resolution of this comment may affect subsequent subclauses where Homogeneous ESS and/or HESSID is mentioned. There does not appear to be a problem with the concept of an HESSID, in the manner The "correct" resolution of this conflict is neither simple nor obvious, and the ARC SC has an agenda item to discuss this very issue. It is likely that incorporation of what is decided for this matter by the ARC SC will satisfy this comment. The simplest change would be to eliminate the concept of Homogeneous ESS and to rename HESSID to something that reflects the identification of a set of available subscription services (which is how HESSID is used). However, preliminary discussion in ARC SC suggests that ESS and HESS may actually be two, distinct things, in which members of the HESS might not necessarily be in a single ESS, in which case a proper definition, and likely a new name for HESS, would be appropriate.