1. 1 CJK NGN15, Beijing, China Beyond Requirements Document number Beijing, China 22-24 July 2009 Chaesub Lee Chae-sub.lee@ties.itu.int

2. 2 CJK NGN15, Beijing, Korea Status of Requirements What are next? How going to next? Conclusion

3. 3 CJK NGN15, Beijing, Korea 1. Status of Requirements Services expected to be supported in NGN Release 1 – –PSTN/ISDN Emulation and Simulation services – –Multimedia services – –Data communication services (including VPNs) – –Public Interest Services – –NGN is not intended to preclude access to the Internet Services expected to be supported in NGN Release 2 – –IPTV services – –Managed delivery services – –NID related services Services using tag-based identification Ubiquitous Sensor Network services – –Additional multimedia services Visual surveillance services Multimedia communication centre services – –Enterprise services (NGN support of services for enterprises) Virtual Leased Line, Business Trunking, Hosted services – –Home network services (support of services in HN environments)

4. 4 CJK NGN15, Beijing, China 2. What are next? Characteristics of studies time Scope & Volume Requirements Functions, Capabilities & Protocols Where are we?

5. 5 CJK NGN15, Beijing, China 2. What are next? Scope of Future Requirements R1R1 R2 Beyond R2 PSTN/ISDN Nomadism FRA 1 RACF 1/NACF 1 Multimedia IPTV Handover FRA 2 NACF 2 RACF 2 MMCF More Services Dynamics in IPTV Seamless Handover FRA/MMCF NACF/RACF Climate Change Accessibility Interoperability others

6. 6 CJK NGN15, Beijing, China 2. What are next? NGN support QoS but with very limited scope: only bandwidth but mostly one capability: e.g. Best effort Even “Guaranteed mode” is developed but “No Granularity” It is required to support “Granularity” of Bandwidth and diversity of QoS into NGN 2M 8M 100M Best Effort Expansion of Quality of Service concept

7. 7 CJK NGN15, Beijing, China 2. What are next? Expansion of Quality of Service concept Meaningful QoS over NGN Quality of Security Quality of MediaQuality of Mobility Network AAA; Terminal, User, Mobility, Access etc. End-End QoS QoS Monitoring Service Policy handover RT Mobility control Service Continuity control Security support Quality of Personalization One-stop Service Service AAA Personalized service Open/Control

8. 8 CJK NGN15, Beijing, China 3. How going to next? RequirementsRequirements Q4Q4 Q5Q5 Q8Q8 Q12Q12 Q7Q7 Q16Q16 OR REQREQ Questions

9. 9 CJK NGN15, Beijing, China 4. Conclusion Climate change aspects should be one of the key subjects NGN should be enough to support various services IPTV should be maximize benefit of IP NGN/IPTV also should provide dynamic features Expansion of “Quality of Service” concept Take into account “Time to Market”

10. www.tta.or.kr