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Proposal for Fast Roam Fast Handoff Study Group

Proposal for Fast Roam Fast Handoff Study Group. Clint Chaplin, Symbol Technologies. Three Colliding Trends. Industry evolving from portable computing to mobile computing Applications starting to demand seamless connectivity (VoIP)

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Proposal for Fast Roam Fast Handoff Study Group

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  1. Proposal for Fast Roam Fast Handoff Study Group Clint Chaplin, Symbol Technologies Clint Chaplin, Symbol Technologies

  2. Three Colliding Trends • Industry evolving from portable computing to mobile computing • Applications starting to demand seamless connectivity (VoIP) • More state necessary to set up during association before data communications allowed (QoS, Security) Clint Chaplin, Symbol Technologies

  3. Problem Statement • Develop a standard to allow fast roaming in a general way that will allow seamless connectivity during a roam that can be extended for future negotiation requirements Clint Chaplin, Symbol Technologies

  4. Possible Solutions 1 • Make before break (associate with new AP before dropping association from old AP) • Pre-association negotiation (allow handshaking and negotiation before Associate Request/Associate Response)Problem: APs will probably be on different channels Clint Chaplin, Symbol Technologies

  5. Possible Solutions 2 • 11-03-241 Keying for Fast Roaming • State handoff between APs using IAPP (push or pull model) Clint Chaplin, Symbol Technologies

  6. Possible Overlaps 1 • IEEE P802 Handoff Study GroupIntended to facilitate fast roaming between heterogeneous networks (e.g. Bluetooth <-> 802.11), and roaming between ESSs. Roaming within an ESS will specifically not be addressed. Clint Chaplin, Symbol Technologies

  7. Possible Overlaps 2 • IEEE 802.11 TGfRecommended practice, not a standard, and that Task Group is done. Clint Chaplin, Symbol Technologies

  8. Possible Overlaps 3 • IEEE 802.11 TGiNeed a more general purpose mechanism, one that can help QoS and any future needs. Clint Chaplin, Symbol Technologies

  9. Possible Overlaps 4 • IEEE 802.11 TGkThe PAR and preliminary draft are for facilitating measurements of radio resources, especially for fast discovery, and exposing those measurements to the decision makers. The PAR does not cover actual procedures or algorithms for roaming, much less fast roaming. Clint Chaplin, Symbol Technologies

  10. PAR and 5 Criteria Straw Man • 11-03-461r0-WNGA Possible PAR and Five Criteria for Fast Roaming-Fast Handoff Clint Chaplin, Symbol Technologies

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