1 Brain Storming on NGN 21 May 2001 Chae-Sub, LEE

2 Contents 1.Scope and ToR 2.Service requirements 3.Environments analysis 4.Continuation of GII 5.Implementation issues 6.Role of ITU-T and SG 13

3 1. Scope and ToR  Make common understanding of what is next step  Try to sketch it brief as requirements  Find contribution area and work items  Role of ITU-T and SG 13  Beyond IP  Continue with IP  Services and Environments  Horizontal and Vertical views  Standard areas  Other SDOs Target Time

4 2. Service requirements Moving Trend of Service Requirements Telex Voice FAX Voice Data Image/Video FAX Voice WEB Vo IP Vo ATM Vo MPLS Vo DSL Vo Ethernet mid 1970 ~ 1980mid 1980 ~ 1990mid 1990 ~ today

5 Service Requirements in Near Future Multimedia Chatting Tele-gaming Packet Voice Others (?) CAMCORDER with Ethernet VHE (Ethernet) or (others) ? Impact

6 Requested Target Services for Next Until 2004 after 2004 ~ 2008

7 Circuit based Electronic based Packet based transport Optic based transmission Integrated Telecommunication Infrastructure Voice Data inc. Voice Integrated Service Client to Server End to End User friendly control Full Open and Competition Environments Telecom. Business Broadcasting Business Tele-Broadcasting Business 3. Environments Analysis Change of Environment

8 Network Evolution Trends Optical Infrastructure –Capacity imperative Packet Based Transport & Switching –Multi-service flexibility Location of Intelligence (Core vs Edge) –QoS and Bandwidth Granularity/Control Convergence of Control & Management Aspects –E.g., Dynamic routing vs protection switching Interworking with Legacy Systems

9 Voice Data Video Media Integrated Multimedia Telecom-based Multimedia Broadcas.-based Multimedia Internet-based Multimedia Service/Business Integrated Multimedia Business Model Refer. Point of Interc. Service Requirements Opera. & Provis. Guide Impacting Areas Towards Tele-Broadcasting Simplified Features of Wireless World Simplified Features of Wire World Regulation Standard Regulation Standard Tele-Broadcasting World

10 Market Changes and its Push Circuit based Packet over Circuit Packet based Circuit over Packet

11 User Terminal Environments of Today Phone FAX PC TV PC FAX PC TV Multimedia PC Data inc. Everything Real Time DATA Non-Real Time DATA

12 Expected Future Transition Trend Past : Seper. of Voice & Data Transp. Circuit Switch. Access Capa. Circuit Switch. Transp. Capa. Packet Switch. Transp. Capa. Present : Sep. of V & D Access xDSL / FTTx Circuit Switch. Access Capa. Circuit Switch. Transp. Capa. Packet Switch. Transp. Capa. Packet Switch. Access Capa. Near Future : Integration of V & D Transport VoIP / VToA Circuit Switch. Access Capa. Circuit Switch. Transp. Capa. Packet Switch. Transp. Capa. Packet Switch. Access Capa. Future : Integration of V & D Access and Transp. Packet Switch. Transp. Capa. Packet Switch. Access Capa.

13 Changing Role of IP C Transp. of Inform. M Functional components of IP Current Role of IP Future Role of IP C Transp. of Inform. M Transp of Cont. Sig.U M Functional components of IP C U Transp. Of Mang. Sig. IP based Control (IP Dial-tone) IP based Multimedia (?) IP based Management

14 4. Continuation of GII GII 64 kbps based ISDN ATM/B- ISDN IP based network Multi-Protocol based network NGN Recognized unique name for Information Society without implementation of Technologies

15 Net.1 App.a Net.2 App.b Net.3 App.c Net.4 App.B Net.1 App.a Net.2 App.b Net.3 App.c Net.4 Net.1 IP Platform Net.2 App.a, b, c Net.3 App.B Net.4 Net.1 IP Platform Net.2 App.a, b, c, B Net.3 NGN Platform Past Present Near future Future Narrowband Broadband Expected Evolution Trend toward GII

16 5. Implementation Issues Server based Configuration Net. A Net. C Net. D Net. B Service / Application 1 Service / Application 2 Service / Application 3 Service / Application 4 Connectivity Network Naming Server Policy Server Feature Server Subscrib. Server Resource Server Server (Middleware) Network Service / Application 1 Service / Application 2 Service / Application 3 Service / Application 4 Service / Application

17 Switching Routing Backbone Transmission Network Access Switching Network Access Network Accessing - ISDN - ADSL - Cable Modem - FLC - FTTH Addressing - IPv4, v6 - E NSAPNetworkManagement Multiplexing - IP - ATM - F/R - SDH/PDH - WDM Transmission - ATM - SDH - WDM Switching & Routing - IP - MPLS - ATM Management Platform - CMIP - SNMP - JAVA - CORBA - DCOM Backbone Switching Network Diversity of Access Technologies Policing Adaptation Policing Adaptation

18 C.S. LEE’s stupid idea No. 1 to be implemented in NGN New Standards on Access Data inc. Voice ADSL Voice + DATA Full DATA

19 A.N QoS 1 QoS 2 QoS 3 QoS kHz Audio Bearer Network 64 kbps CM/PM Bearer Network ~ 2 Mbps FM Bearer Network ATM Bearer Network IP Bearer Network Application Server Policing Server Access Net. Part Core Network Same service but different path Use current bearer networks in Multimedia era with integrated Access Network Points of Intelligence

20 C.S. LEE’s stupid idea No. 2 to be implemented in NGN Core Net (Various Bearer) Integrated Access Unit (e.g. NGN Set Top Box) Intelligent Access Server New Signaling Mechanism or Protocol

21 ADSL NT PPP enc. in PPPoE DSLAMDSLAM termination : PPPoE PPP enc. in L2TP ISP X termination: PPP ISP X PoP Radius Server ISP X  S ervice S election G ateway PoP ISP X* Radius Server Network Operator A Network Operator BISP X, X* termination: PPP ISP X* ( L2TP) (Network Operator B*) Complication of Networking (1)

22 ATM AAL Ethernet PPP IP ATM AAL Ethernet PPP IP Ethernet PPP IP PPP IP ADSL NT DSLAMDSLAM  BB-PoP Ethernet- physics ADSL-physicsSTM-1physicsphysics Complication of Networking (2)

23 C.S. LEE’s stupid idea No. 3 to be implemented in NGN ATM AAL Ethernet PPP IP physics ATM AAL Ethernet PPP IP AAL Ethernet PPP IP Ethernet PPP IP PPP IP Need to make simple structure And think about others (beyond IP)

24 Computer/Consumer Technologies Broad- casting Infra. Telec. Infra. IP Platform or Others Structural Model of Convergence Tele- gaming TV Mail Interac. TV Web TV/FM TV Internet E- Comm. New Technologies and their Products Interworking between two Infrastructures and their convergence Networking Technologies and their Adaptations New Applications and their Service Interworking Relations Enterprise Model  Regulation User Operator Program Provider Regulator Possible Convergence Model of Tele-Broadcasting

25 C.S. LEE’s stupid idea No. 4 to be implemented in NGN Broad- casting Infra. Tele- com. Infra. Convergence / Integration Continue IP Platform or New Platform Optic DBS Analysis of mutual impacts

26 6. Role of ITU-T and SG 13 Application of IP technology into Telecom infra and specify Interworking between IP and Telecom service/network IP Issues Packet based infrastructure New architecture for full Packet based infrastructure (inc.Voice) Migration path from Circuit based to Packet based infra (inc. Interworking) Service and network capabilities for providing Packet based services New access technology, OAM and Performance study based on full Packet infra

27 Multi-protocol Networks 64kbps based ISDN ATM based ISDN Service classification and definition PRMPRM UNI NNI Archi. & Spec. Accounting, Charging & Billing Functional Model Ref. Config. Model U/C/M-pl. related Protocol QoS/NP Addressing/Naming Interworking OAM&P I Series Rec. Y Series Recommendation Network Evolution and its required Functional Study Areas ITU-T Activity NGN

28 C.S. LEE’s stupid idea No. 5 to be implemented in NGN SDO1SDOn ITU SDO1SDOn SDO1SDOn ITU NGN ProjectWhich type ?

29 Standard Bodies (ITU, IETF, ATM-F……) MPLS MPOA IPOA Thank you for your attention