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Discovery of ESS services

Discovery of ESS services. Authors:. Date: 2011-11-08. Abstract. Presentation for WNG SC November 2011, Atlanta, Georgia, USA. Background. TGu Defined several features that enable a better relationship between the STA and the network behind the AP Network Discovery

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Discovery of ESS services

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  1. Discovery of ESS services Authors: Date: 2011-11-08 Stephen McCann, RIM

  2. Abstract Presentation for WNG SC November 2011, Atlanta, Georgia, USA Stephen McCann, RIM

  3. Background • TGu • Defined several features that enable a better relationship between the STA and the network behind the AP • Network Discovery • QoS Mapping (11e <-> network) • Multiple service provider subscriptions • Emergency services • TGai • Defining a solution to provide Fast link Set Up • Looking at optimisations of message exchanges (e.g. GAS & ANQP) • Enables efficient information transfer prior to association (e.g. IP address assignment) Stephen McCann, RIM

  4. Background • Current market needs • Service discovery • Enhanced user experience • Use case: does this network support: • A 3D color printer? • Low resolution, free, sports highlights video? • Can the network support rich information queries • Smart server Stephen McCann, RIM

  5. Proposal • IEEE 802.11 should evolve and improving the user experience is a valid goal. • Extend the 11u mechanisms even further into the ESS • Nothing in IEEE 802.11 PAR to prevent this • “Purpose: The purpose of this standard is to provide wireless connectivity for fixed, portable, and moving stations within a local area. “ • Nothing in IEEE 802 rules to prevent this • What sort of thing am I looking for? • A new study group, perhaps “Discovery of ESS services” • 11u+ (but don’t worry about security) • Further extension of MAC frames Stephen McCann, RIM

  6. More detail • Extend 11u network discovery mechanisms (e.g. GAS and ANQP) to enable discovery of information within the ESS: • Operates in a pre-associated and associated state • Information beyond the hotspot and local servers • Note: outcome may be something different than GAS and ANQP • TGai will provide optimizations to message exchanges to assist this. The scope will not overlap that of TGai Stephen McCann, RIM

  7. Straw Poll • Should IEEE 802.11 consider the creation of a study group to further discuss the topic of “discovery of ESS services”? • Yes • No • Need more information • Abstain/Don’t care Stephen McCann, RIM

  8. Motion to create a Study Group • Request approval by IEEE 802 LMSC to form an 802.11 Study Group to consider the discovery of services within an ESS [as described in doc 11-11-1507r1] with the intent of creating a PAR and five criteria. • Moved: <name>, Seconded: <name>, Result: y-n-a Stephen McCann, RIM

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