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Hello Lin, > DiffServ solutions are designed to improve the network QoS performance in general. Right, but unless there is enforcement/metering then everyone will just claim that their traffic is top-priority. > When the optional feature of DILS is implemented, high priority STAs can have better chance to associate with the AP with shorter delays. But conversely low-priority STAs will have a lower chance of associating. As a STA, why would I take the chance, rather than just use non-DILS mechanisms which don't risk deprioritising me? > This is the motivation of the non-AP STA to use DILS. Mark -- Mark RISON, Standards Architect, WLAN English/Esperanto/Français Samsung Cambridge Solution Centre Tel: +44 1223 434600 Innovation Park, Cambridge CB4 0DS Fax: +44 1223 434601 ROYAUME UNI WWW: http://www.samsung.com/uk From: Lin Cai [mailto:Lin.Cai@xxxxxxxxxx] Hello, DiffServ solutions are designed to improve the network QoS performance in general. When the optional feature of DILS is implemented, high priority STAs can have better chance to associate with the AP with shorter delays. This is the motivation of the non-AP STA to use DILS. Best regards, Lin From: Mark Rison [mailto:m.rison@xxxxxxxxxxx] Hello, I have a concern about the resolution for CID 4841. The comment was: What is the incentive for a non-AP STA to use DILS? The resolution was: Rejected. DILS is used to improve the link setup performance in pre-association stage by differentiating STAs with different priorities. The incentive for non-AP STA is similar to that of EDCA which is used for associated STAs. However, DILS is optional, while EDCA is mandatory (for QoS STAs), so the analogy does not work. Hence DILS will only be used if it provides a benefit -- what is the benefit for a given STA (as opposed to the BSS)? Why would a STA choose to set dot11DILSActivated to true? Mark -- Mark RISON, Standards Architect, WLAN English/Esperanto/Français Samsung Cambridge Solution Centre Tel: +44 1223 434600 Innovation Park, Cambridge CB4 0DS Fax: +44 1223 434601 ROYAUME UNI WWW: http://www.samsung.com/uk IF YOU WISH to be Removed from this reflector, PLEASE DO NOT send your request to this CLOSED reflector. We use this valuable tool to communicate on the issues at hand. SELF SERVICE OPTION: Point your Browser to - http://listserv.ieee.org/cgi-bin/wa?SUBED1=STDS-802-11-TGAI and then amend your subscription on the form provided. If you require removal from the reflector press the LEAVE button. Further information can be found at: http://www.ieee802.org/11/Email_Subscribe.html _______________________________________________________________________________ |