Presentation on theme: "Doc.: IEEE 802.11-08/0789r2 Submission July 2008 RuiJun Feng, China Mobile Times of an AP refusing associated requirements Date: 2008-07-14 Authors: Notice:"— Presentation transcript:
doc.: IEEE 802.11-08/0789r2 Submission July 2008 RuiJun Feng, China Mobile Times of an AP refusing associated requirements Date: 2008-07-14 Authors: Notice: This document has been prepared to assist IEEE 802.11. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.11. Patent Policy and Procedures: The contributor is familiar with the IEEE 802 Patent Policy and Procedures, including the statement "IEEE standards may include the known use of patent(s), including patent applications, provided the IEEE receives assurance from the patent holder or applicant with respect to patents essential for compliance with both mandatory and optional portions of the standard." Early disclosure to the Working Group of patent information that might be relevant to the standard is essential to reduce the possibility for delays in the development process and increase the likelihood that the draft publication will be approved for publication. Please notify the Chair as early as possible, in written or electronic form, if patented technology (or technology under patent application) might be incorporated into a draft standard being developed within the IEEE 802.11 Working Group. If you have questions, contact the IEEE Patent Committee Administrator at.http:// email@example.com
doc.: IEEE 802.11-08/0789r2 Submission July 2008 RuiJun Feng, China Mobile Topics Background Problem Proposal
doc.: IEEE 802.11-08/0789r2 Submission July 2008 RuiJun Feng, China Mobile Background Load balancing of users among APs is an important function for AP. –which is supported by most WLAN manufacturers. –Once the number of associated users exceeds the pre-defined threshold, AP will refuse new association requests from stations.
doc.: IEEE 802.11-08/0789r2 Submission July 2008 RuiJun Feng, China Mobile Problem In order to provide better user experiences, user access control, together with load balancing functionalities are very important to keep the network more stable. It’s also helpful to get the statistics for the concurrent number of potential users or traffic in a certain hot spot. –To support load balancing threshold setting and network expansion
doc.: IEEE 802.11-08/0789r2 Submission July 2008 RuiJun Feng, China Mobile Proposal An estimate can be made, depending on the number of refused association requests. –The estimate can provide valuable information to support the network expansion. The number of refused association request is an important indicator to analyze the potential users or traffic. –though it doesn’t reflect the exact gap between the network capability and the user requirement directly.
doc.: IEEE 802.11-08/0789r2 Submission July 2008 RuiJun Feng, China Mobile Proposal A new counter is proposed to add into MIB, called NumRefusedAssociationReq When the load balance function works, this counter starts to work as well. –Vice versa When an association request is refused by AP or AC that AP belongs to, the counter increases one. –This indicator should be collected by NMS periodically
doc.: IEEE 802.11-08/0789r2 Submission July 2008 RuiJun Feng, China Mobile Straw Poll Do you think it meaningful to put the NumRefusedAssociationReq counter into the MIB to facilitate some service and network quality statistics? - Yes - No - Don ’ t know
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