Fabio Bigi ITU/TSB The Telecommunication Standardization Sector International Telecommunication Union

1 Seminar on future network evolution (Caracas, 14 May 2001) 1. Introduction 2. ITU-T studies 3. ITU-T products 4. ITU-T strategy and priorities 5. Conclusion ITU-T studies and products F. Bigi, Deputy Director, TSB

2 International Telecommunication Union l A UN Specialized Agency l Intergovernmental organization, governments represented through their telecommunication Administrations (constitutional Members) l Other entities (Recognized Operating Agencies, Scientific Industrial Organizations, regional and international organizations) admitted as Sector members l Basic Law = Convention and Constitution, to be modified by Plenipotentiary Conferences

3 How to join ITU-T l ITU-T Sector Members –Contribution (min half unit = CHF) –Participation (all Study Groups) –Role (up to Chairman) l ITU-T Associates –Contribution (10500 CHF) –Participation (one Study Group) –Role (up to Rapporteur)

4 Delegates guidelines l Information paper for Participants, Rapporteurs and Chairmen (January 2001) l Author's Guide for drafting ITU-T Recommendations l see also

5 The current structure of ITU-T Study Groups l SG 2 - Operational aspects of service provision, networks and performance SG 2 l SG 3 - Tariff and accounting principles including related telecommunications economic and policy issues SG 3 l SG 4 - Telecommunication management, including TMN SG 4 l SG 5 - Protection against electromagnetic environment effects SG 5 l SG 6 - Outside plant SG 6 l SG 9 - Integrated broadband cable networks and television and sound transmission SG 9 l SG 11 - Signalling requirements and protocols SG 11 l SG 12 - End-to-end transmission performance of networks and terminals SG 12 l SG 13 - Multi-protocol and IP-based networks and their internetworking SG 13 l SG 15 - Optical and other transport networks SG 15 l SG 16 - Multimedia services, systems and terminals SG 16 l SG17 - Data networks and software for Telecommunication l SSG - Special Study Group "IMT-2000 and beyond" SSG l TSAG - Telecommunication Standardization Advisory Group

6 Lead Study Groups in specific areas of study l SG 2 - Lead Study Group for service definition, numbering and routing SG 2 l SG 4 - Lead Study Group on TMN SG 4 l SG 9 - Lead Study Group on frame relay and for communication system security SG 9 l SG 11 - Lead Study Group on intelligent networks SG 11 l SG 12 - Lead Study Group on Quality of Service and performance SG 12 l SG 13 - Lead Study Group on IP related matters, B-ISDN, Global Information Infrastructure and satellite matters SG 13 l SG 15 - Lead Study Group on access network transport Lead Study Group on optical technology SG 15 l SG 16 - Lead Study Group on multimedia services, systems and terminals Lead Study Group on e-business and e-commerce SG 16 l SG17 - Lead Study Group on frame relay and for communication system security Lead Study Group on languages and description techniques l SSG - Lead Study Group on IMT 2000 and beyond and for mobility SSG

7 Special Projects IMT-2000 Network Aspects (SSG) Call Back (SG 3) Accounting Rate Reform (SG 3) TMN (SG 4) IP Cablecom (SG 9) Quality of service and performance (SG 12) IP (SG 13) GII (SG 13) Access Networks (SG 15) Optical Networks (SG 15) Mediacom 2004 (SG 16) E-commerce and E-business (SG 16)

8 ITU-T structure

9 Standardization Requirements Architecture Access Networks Transport Networks Terminals Services Coding Numbering Mobility QoS and Network Performance Interworking and Interoperability Market Oriented

10 Approval time for ITU-T Recommendations l years l years l months l months (5 months in exceptional circumstances) l Minimum 4 weeks (AAP) 9 months (TAP) AAP = Alternative Approval Procedure TAP = Traditional Approval Procedure

11 Technological trends in the Information Society l digitisation in the storage, processing and transmission of information; l increasing computer and signal processing power; l convergence between technologies, e.g. between information technology and telecommunications; and between interactive applications and broadcasting; l increasing overlap of home and business markets, with consequent increase in functionality and decline in hardware prices; l more rapid product launch times and reducing product lifecycles.

12 Series of ITU-T Recommendations (A-L) A. Organization of the work of ITU-T B. Means of expression: definitions, symbols, classification C. General telecommunication statistics D. General tariff principles E. Overall network operation, telephone service, service operation and human factors F. Non-telephone telecommunication services G. Transmission systems and media, digital systems and networks H. Audiovisual and multimedia systems I. Integrated services digital network J. Transmission of television, sound programme and other multimedia signals K. Protection against interference L. Construction, installation and protection of cables and other elements of outside plant

13 Series of ITU-T Recommendations (M-Z) M. TMN and network maintenance: international transmission systems, telephone circuits, telegraphy, facsimile and leased circuits N. Maintenance: international sound programme and television transmission circuits O. Specifications of measuring equipment P. Telephone transmission quality, telephone installations, local line networks Q. Switching and signalling R. Telegraph transmission S. Telegraph services terminal equipment T. Terminals for telematic services U. Telegraph switching V. Data communication over the telephone network X. Data networks and open system communications Y. Global information infrastructure and Internet protocol aspects Z. Languages and general software aspects for telecommunication systems

14 Other ITU-T publications l WTSA Resolutions l Appendixes l Supplements l Handbooks l Directives l ITU Operational Bulletin

15 TSB databases l ITU-T patent database l International numbering resources l A.4, A.5 and A.6 recognized organizations l Terms and definitions l List of ITU-T Recommendations l ITU-T Work programme l ASN.1 module database – in progress

16 Technology Landmarks l Telegraph l Telephone l Radio l TV l PCM l Satellites l Optical l IP-based networks l Mobility l Convergence l GII

17 Evolution of voice coding l 4 kHz band- analogue l 64 kbit/s- PCM, G.711, 1972 l 32 kbit/s- ADPCM,G.721,1984 l 16 kbit/s- G.728, 1992 l 8 kbit/s- G.729, 1996 l 4 kbit/s- (G.4kbps), 2001?

18 Evolution of still picture coding l Classic facsimile (G3, G4)T.4,T.6 l B/W still pictures(JBIG)T.82,T.83 l Cont. tone colour(JPEG)T.81 l (JPEG-LS)T.86 l In progress (JPEG-2000)T.800 l In progress (Motion JPEG 2000)T.802

19 Evolution of moving picture coding l H.261- video coding at n x 64kbit/s l H.262- generic video and audio coding l H.263- video coding for low bit rates l H.26L - in progress - improved multimedia video coding

20 Evolution of transmission systems l Analogue l Digital l SDH l ATM l Optical

21 Access network Year 9.6 kbit/s 28.8 kbit/s 56.6 kbit/s 128 kbit/s 2 Mbit/s 640 kbit/s 8 Mbit/s 25 Mbit/s 50 Mbit/s Analog modems ISDN HDSL/ ADSL VDSL OPTICAL ACCESS 622 Mbit/s

22 Optical networking - now l Fully optical networks l Increased bit rates (up to 40 Gbit/s) l Use of multi-wavelength techniques DWDM l Use of optical amplifiers l Interoperability and interconnection l Submarine optically amplified DWDM l Access networks for new high speed services

23 Optical networking - future l Soliton transmission l Coherent transmission l Increased repeater span

24 IP project – areas of study l Integrated architecture l Impact to telecommunications access infrastructures of access to IP applications l Interworking between IP based network and switched-circuit networks, including wireless based networks l Multimedia applications over IP l Numbering and addressing l Transport for IP-structured signals l Signalling support, IN and routing for services on IP-based networks l Performance l Integrated management of telecom and IP-based networks l Security aspects l Network capabilities including requirements for resource management l Operations and Maintenance (OAM) for IP

25 Ensuring global interoperability l Quality of Service (QOS) l Numbering and routing l Security l Tariffs and Accounting rates l Interworking

26 The race for 3G: IMT ,000 1G 2G 3G Voice Text Messaging Video Streaming Still Imaging Audio Streaming Data Transmission Speed - kbit/s Electronic Newspaper Remote Medical Service (Medical image) Video Conference (High quality) Telephone (Voice) Voice Mail Fax Electronic Publishing Video on Demand: Sports, News Weather Karaoke Video Conference (Lower quality) JPEG Still Photos Mobile Radio Video Surveillance, Video Mail, Travel ImageAudio Voice-driven Web Pages Streaming Audio Data Weather, Traffic, News, Sports, Stock updates Mobile TV E-Commerce Time Source: Adapted from Motorola.

27 Summary of Mandate of ITU-T SSG (1 of 2) l Lead SG on IMT-2000 and beyond and for mobility l Primary responsibility within ITU T for overall network aspects of IMT 2000 and beyond –Work plan –Migration path from existing IMT-2000 systems towards systems beyond IMT-2000 Long term common IP-based architecture Near term IP-based internetworking –Overview road map –Interworking functions, if not done elsewhere

28 Summary of Mandate of ITU-T SSG (2 of 2) In addition, will study: Harmonization of IMT-2000 Family members as they evolve beyond IMT-2000 Evolution of network aspects utilizing IMT-2000 RTTs as FWA Network aspects of convergence of fixed and wireless networks Standardization of IMT-2000 interfaces where needed Work with ITU-D to assist developing countries in applying IMT-2000 Collaborate with ITU-R 8F (radio) and 8D (satellite) Strong cooperative relations and complementary programs with SDOs, 3GPPs May develop and approve Recommendations may investigate and make proposals to TSAG on alternative types of output and associated approval process, e.g., normative technical specifications or interim Recommendations Make use of provisional working procedures specific to SSG

29 List of Questions (projects) Q.1Service and network requirements Q.2NNI mobility management protocol Q.3Identification of existing and evolving IMT2000 systems Q.4Interworking functions to be used with existing and evolving IMT2000 systems Q.5To participate in the preparation of a Handbook on IMT 2000 Q.6Harmonisation of existing IMT-2000 systems Q.7Convergence of fixed and existing IMT-2000 Systems Q.8Special study group working procedure

30 IPCablecom l A set of interface specifications and protocols that have been developed by the cable television industry and product vendors to deliver voice and video services over the hybrid fiber coax (HFC) cable systems utilizing the J.112 data delivery Recommendation. l Utilizes a network superstructure that overlays the two-way, data-ready broadband cable access network. –While the initial IPCablecom offering is packet-based voice communications for existing and new cable subscribers, the long-term project vision encompasses a large suite of packet-based services.

31 Planned Workshops l IP/Optical (24-26 April 2002) l MEDIACOM/IP Cablecom (9-11 October 2002) l IP/Mobility (March 2003) l Convergence/Future Evolution (October 2003) l Other possible items to be considered on the basis of requirements

32 Meetings with Workshops in other Regions in 2001 l Future Network Evolution: (Caracas 14 May 2001, SG 13 Meeting) l Multimedia in the 21 st Century – Systems, services and terminals: (Puerto Seguro, 4-5 June 2001, SG 16 Meeting) l ITU-T and ITU-D Promotion of and Highlight on SG 17 (SGs 7 & 10): (Bangalore, August 2001, SG 7 Meeting) l QoS and User-Perceived Transmission on Quality in Evolving Networks (Dakar, October 2001, SG 12 Meeting) l SG 5 in Vietnam (date and subject to be agreed upon)

33 Draft ITU-T Strategic Plan for Mission l Facilitate the identification of areas where recommendations (standards) should be developed for the Information Society l Efficiently develop high-quality, global, consensus-based recommendations (standards) in its core competency areas on a market-driven and timely basis l Facilitate the interoperability of networks and services

34 Draft ITU-T Strategic Plan for Mission - continued l Be able to develop recommendations that may have regulatory or policy implications l Be flexible and constantly look for ways to improve l Give appropriate consideration to the particular needs of developing countries l Cooperate and, where appropriate, collaborate with others so as not to duplicate effort

35 Draft ITU-T Strategic Plan for Strategies/Processes l bottom-up mode of operating and production of work (rather than top-down), l flexibility in responding to market demands, l ongoing review of the Strategic Plan, proposing adjustments as needed, l through TSAG, monitoring the performance of the Sector against identified milestones,

36 Draft ITU-T Strategic Plan for Strategies/Processes - continued l development and strengthening of the linkage among financial, strategic, and operational planning, l clear and transparent working methods and processes, to encourage transparency, inclusiveness, and representation of a broad range of participants and views, l an environment in which interested parties can work together in partnership effectively and efficiently, l development and execution of an aggressive plan to communicate the value of the ITU-T, stressing its global recognition and credibility and the high quality of its Recommendations, as well as its willingness to change,

37 Draft ITU-T Strategic Plan for Strategies/Processes - continued l working with ITU-D with special attention to telecommunication development in developing countries, including supporting ITU-Ds efforts to improve access to the Information Society in developing countries, l offering an organization that is attractive to industry entities as a place to do their standardization development work, and l willingness to change.

38 Draft ITU-T Strategic Plan for Relationship with other standardization bodies l foster awareness within ITU-T of the work done by other bodies (such as SDOs, forums and consortia), l coordinate and cooperate with such groups in order to reduce duplication, avoid inconsistencies, and assure that ITU-T work provides added value, l continue to participate in appropriate coordinating bodies, l coordinate and cooperate with the Radiocommunication and Telecommunication Development Sectors, and with the General Secretariat and officials of the Union.

39 Possible Items for Consideration l IP-based networks and their interconnection with telecommunication networks; l IP cablecom project; l establishment of GII; l IMT-2000 and mobility; l e-business and e-commerce; l reform of accounting rates and tariff studies; l MEDIACOM-2004 project and related multimedia activities; l security aspects of networks and services; l optical transport network; l access networks enhancements with xDSL techniques; l numbering and routing; l network performances and quality of services; l protocols for new services and intelligent networks.

40 GII: Center of Technology convergence (based on Figure 5-1/Y.110)

41 Standards in the future

42 Conclusion l ITU Reform l New Standardization Requirements l Consensus standard (Regulators, Operators, Industry, Users) l Membership requirements l End user requirements

43 Best selling ITU-T Recommendations of 2000 H.323 (09/99)G.703G Q.931G.711 X.690 G.704G.723 Annex AV.90 E.164X.680H.323 (02/98) G.692H.263G.729 G.826G.957H G.729 Annex AV.34

Fabio Bigi ITU/TSB Place des Nations CH-1211 Geneva 20 Switzerland Tel: Fax: The Telecommunication Standardization Sector International Telecommunication Union