1. AP Functional Requirement Initiatives for WLAN Broadcasting
JG. Park
SAMSUNG
SK. Sung
SAMSUNG

2. Overview WLAN Broadcasting
Requirement and functional component for WLAN broadcasting
L2/L3 Address translation, STA monitoring,…
Further discussion & conclusion
WLAN Interactive casting

3. Introduction Features of WLAN Broadcasting
Interactive data transfer between end-point terminal and (internet) broadcast server
Non-symmetric traffic between AP and STAs
Frequent repetition via STA’s REQ and/or AP scheduling
Wide spectrum of service quality
Support for P2P, P2M, and M2M signaling

4. Requirement and Functional Components
QoS Requirement for WLAN Broadcasting
Endpoint throughput
Seamless subscription provision
Application specific latency
Multiple access channel capacity

5. Requirement and Functional Components
Some recommendation for WLAN Broadcasting AP functionality
L2/L3 dynamic address translation
Packet switching based traffic
Mobility support over IP(FMIP/HMIP)
STA monitoring/tracking
Channel scheduling and allocation for Non-symmetric data exchange
Storage backup for frequent message
Dynamic routing in wired/wireless DS for AP broadcasting

6. Further discussion Motivation for WLAN interactive casting
Efficient WLAN broadcasting using extended AP functionality
Dynamic interface between L2 and L3
Pervasive computing capability at L2.5
Automatic topology discovery and path configuration
Needs for customized broadcasting service

7. Conclusion We recommend
WLAN broadcasting as one of essential functional components
to consider WLAN interactive casting with the advantage of extending AP functionality under various user environment and service requirement