1. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Media Independent Handover Services and Interoperability Ajay Rajkumar Chair, IEEE 802.21 WG

2. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 2 Scenarios considered by 802.21 WG Between 802.xx and 802.yy –802.3 –802.11 –802.15 –802.16 Between 802.xx and Cellular –3GPP standards –3GPP2 standards Between 802.11 ESS

3. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 3 What does Heterogeneous Handover Mean? Session Continuity at the IP layer –Adaptation to new link at layer two –Address continuity at layer three Service Continuity at the Application layer(s)

4. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 4 Functional Requirements Service Continuity –Independent of Architectural Deployment of individual interfaces Class of Application Quality of Service (QoS) Network Discovery Information Discovery (Network Selection) Security Power Management Handover Policy shall not be defined

5. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 5 Active Work Items Media Independent Handover (MIH) Model Event/Trigger service model Information Service

6. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 6 MIH Model Should it be a layer? Should an API be defined? Should transport be defined? –For Remote triggers –For Local triggers

7. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 7 MIH Model MIH Reference Model: 802.xx to 802.yy

8. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 8 IEEE 802.xx to Cellular

9. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 9 Event/Trigger service model Local Triggers From/to MIH Peer-to-peer Remote Triggers Across access interfaces as MIH messages Across network elements Several modes of transport Media specific transport –IP based –MAC based –802.21 specific Ethertype

10. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 10 Information Service Link access parameters Security mechanisms Neighbor maps Location Provider and other Access information Cost of link

11. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 11 Call for Proposals -Timeline CFP Issued on September 28, 2004 Intent to Propose deadline was October 10, 2004 Initial submissions deadline was November 8, 2004 –Initial presentations during November Plenary Updated submissions deadline, January 10, 2005 –Updated proposal presentations during January Interim Initial presentations complete Ongoing harmonization and evaluation of proposals Initial draft text scheduled for May 2005

12. DCN: 21-05-0238-00-0000 March 7, 2005 IETF 62 - Minneapolis, MN Ajay Rajkumar, Chair IEEE 802.21 WG 12 Thank You Questions and Feedback?