1. Media Independent Handover Services and Interoperability
Ajay Rajkumar
Chair, IEEE WG
January 17, 2005
IEEE WNG, Monterey, CA

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 ESS
January 17, 2005
IEEE WNG, Monterey, CA

3. What does 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)
January 17, 2005
IEEE WNG, Monterey, CA

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
January 17, 2005
IEEE WNG, Monterey, CA

5. Active Work Items Media Independent Handover (MIH) Model
Event/Trigger service model
Information Service
January 17, 2005
IEEE WNG, Monterey, CA

6. MIH Model MIH Reference Model: 802.xx to 802.yy January 17, 2005
IEEE WNG, Monterey, CA

7. IEEE 802.xx to Cellular
January 17, 2005
IEEE WNG, Monterey, CA

8. 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
January 17, 2005
IEEE WNG, Monterey, CA

9. Information Service Link access parameters Security mechanisms
Neighbor maps
Location
Provider and other Access information
Cost of link
January 17, 2005
IEEE WNG, Monterey, CA

10. Call for Proposals 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
January 17, 2005
IEEE WNG, Monterey, CA

11. Thank You Questions?
January 17, 2005
IEEE WNG, Monterey, CA