NGN : current and beyond 21st CJK UNIOT-WG TTC Yoshinori

2 NGN: current architecture The current version of NGN architecture was published in April 2010.

3 NGN: current status NGN capability set 2 (Y.2007) covers 18 capabilities; Transport connectivity, communication modes, transport network component, network attachment, IPv6, multicast, routing, QoS, identification/authentication/authorization, security, management, mobility management, codecs, operations/provisioning, interconnection/interworking, PSTN/ISDN emulation and simulation, IPTV (incl. QoE and security) and public interest There would be unmet demands for future versions of NGN. Because of this, SG13 is working on various new capabilities such as MCC, OSE/SIDE, USN, MOC, IOT, id-loc etc.

4 Items beyond current NGN OSE/SIDE : OSE architecture was approved. SIDE architecture is being developed. Possible unification of OSE/SIDE will be considered. Id-loc : Y.2022 (Y.FAid-loc-split) was consented. But neither Y.2007 nor Y.2012 covers this capability. In addition, network based scheme has not yet initiated. RACF (Y.2111Rev2) : This revision tries to cover new capabilities such as interwork with non-NGN IP NW, 3GPP and 3GPPS, wholesale, time-shifted TV, QoS downgrading and IPTV service by invitation that are not fully considered in more general architecture. DPI : Being discussed in Q17. DSN : Being discussed in Q19. IoT : IoT is in initial stage. There are more,,,,

5 A new challenge for NGN As NGN technologies become mature, the architecture becomes more complicate. Inconsistent standard is no longer considered. Consistency is a minimum requirement for standard (from industry viewpoint). Checking consistency is a painful work. Need to go through all the relevant outputs in detail. Particularly, those who want to bring innovative ideas. Spend a lot of time for this kind of useless debates,,,

6 SUN from NGN viewpoint From discussion at NGN-GSI (TD741/NGN-GSI) Beyond NGN Succeeding some features of NGN, e.g. packet based network. (Trying to) incorporate new features such as knowledgeable, context- aware, adaptable, autonomous and programmable. Possible study approaches for SUN SUN with alternative architecture: SUN is a different network architecture from NGN. SUN as an evolution of NGN: NGN will evolve to SUN. SUN as a collection of network technologies: SUN is not an architecture by itself. NGN SUN Evolution ? Alternative architecture? SUN Collection of technologies? knowledgeable Context- aware adaptable autonomous

7 Conclusions The development of NGN is continued even after Y.2007 and Y As NGN architecture becomes mature and complex, addition of new capabilities maintaining consistency is increasingly difficult. We need a new way to avoid useless debates (to make everyone happy). SUN as a separated concept from NGN could be a good vehicle for new ideas, although the basic concept is not fully agreed. Some of current ongoing items for NGN could be considered as candidate items for SUN before incorporated in NGN.