Summary of Results Study Period ITU-T Study Group 15 Optical and other transport network infrastructures Yoichi Maeda

International Telecommunication Union 2 ITU-T Study Group 15 Optical and other transport network infrastructures Contents Terms of reference Highlights of achievements Future work Conclusions Supplemental slides

International Telecommunication Union 3 ITU-T Study Group 15 Optical and other transport network infrastructures Terms of Reference Optical and access transport networks Transport infrastructures, systems, equipment, optical fibres, control plane, metallic, optical and packet-based technologies Home networking, access, metropolitan and long-haul sections of networks Lead SG for: – Lead Study Group on access network transport – Lead Study Group on optical technology

International Telecommunication Union 4 ITU-T Study Group 15 Optical and other transport network infrastructures Highlights of achievements (I) One of the most active SGs in study period of AAP: 202 Recommendations SG15 participants: Max/Min/Average =360/239/300 Rapporteurs meetings held: 104 Contributions received: 1550 Action plans on developing country issues Workshops and tutorials: 5 Technical brochures (Flyers): 9 G-PON interoperability showcases: 4

International Telecommunication Union 5 ITU-T Study Group 15 Optical and other transport network infrastructures Highlights of achievements (II) High-speed access networks over copper loop (DSL) – 200Mbit/s aggregate over optical fibre (G-PON) – 2.5 Gbit/s, up to 60km HN transceivers providing up to 320Mbit/s Initial draft of Power saving check-list for ICTs and climate change

International Telecommunication Union 6 ITU-T Study Group 15 Optical and other transport network infrastructures Highlights of achievements (III) New types of optical fibres for access networks DWDM and CWDM optical systems for long- distance and for metropolitan networks Key optical components such as Raman amplifiers, adaptive chromatic dispersion components, polarization mode dispersion compensators

International Telecommunication Union 7 ITU-T Study Group 15 Optical and other transport network infrastructures Highlights of achievements (IV) Architecture, frame formats, protection mechanisms, management and control of Ethernet and MPLS-based packet transport OTN (Optical Transport Network) technologies for equipment management and protection OTN to support services at 40Gbit/s and 100Gbit/s Timing and synchronization aspects of packet networks Control plane functionality for Automatically Switched Optical Networks (ASON)

International Telecommunication Union 8 ITU-T Study Group 15 Optical and other transport network infrastructures Future Work (I) SG15 is expected to both continue and evolve the studies on optical transport networks and access network infrastructures A clear focus on market requirements and drivers, technology innovation to enable the evolution towards future transport solutions. This encompasses the development of related standards for the in-premises such as home networking, access, metropolitan and long- haul sections of telecommunication networks.

International Telecommunication Union 9 ITU-T Study Group 15 Optical and other transport network infrastructures Future Work (II) Home networking transports over metallic conductors such as phone-line, coaxial, data and power cables DSL enhancements Next generation higher capacity optical access systems Updating Access Network Transport (ANT) standardization Overview and ANT Work Plan

International Telecommunication Union 10 ITU-T Study Group 15 Optical and other transport network infrastructures Future Work (III) Start the evolution towards an All Optical Network (AON) New types of optical fibres Enhanced specifications of some crucial optical components and subsystems

International Telecommunication Union 11 ITU-T Study Group 15 Optical and other transport network infrastructures Future work (IV) Future high-capacity (Terabit) optical and packet-based transport technologies OTN (Optical Transport Network) to support new services at 100Gbit/s and beyond Evolution towards intelligent transport networks creating an Automatically Switched Optical Networks (ASON) Timing and synchronization aspects of new packet-based networks

International Telecommunication Union 12 ITU-T Study Group 15 Optical and other transport network infrastructures Conclusions Clear focus on market requirements and drivers, technology innovation to enable future transport network solutions The speedy and successful development of the xDSL and PON accesses, and OTN Recommendations, making extensive use of novel EDH tools, demonstrate that ITU-T responds rapidly to important market needs Evolution towards an All Optical Networks SG15 is expected to continue and evolve the studies on optical transport and access network infrastructures

International Telecommunication Union 13 ITU-T Study Group 15 Optical and other transport network infrastructures Supplemental Slides Management team Structure Statistics Workshops and showcases Tutorials

International Telecommunication Union 14 ITU-T Study Group 15 Optical and other transport network infrastructures Management Team ChairYoichi Maeda(Japan) Vice-Chairs:Gastone Bonaventura(Italy) Andrew Nunn(UK) Stephen J. Trowbridge(USA) Shaohua Yu(China) WP Chairs:Andrew Nunn, WP1(UK) Gastone Bonaventura, WP2(Italy) Stephen J. Trowbridge, WP3(USA) TSBGreg Jones Emmanuelle Labare

International Telecommunication Union 15 ITU-T Study Group 15 Optical and other transport network infrastructures Study Group Structure WP1 Optical and metallic access network Access network transport over copper and fibre WP2 Optical transport network technology Fibres, cables, components and systems WP3 Optical transport network structure Transport network architecture, synchronization, protection, management and control

International Telecommunication Union 16 ITU-T Study Group 15 Optical and other transport network infrastructures Statistics (I) Rapporteurs meetings held: 104 Contributions received: 1550 SG meetings held: 6 Max/Min/Average SG participants: 360/239/300

International Telecommunication Union 17 ITU-T Study Group 15 Optical and other transport network infrastructures Statistics (II) 37 new Recommendations modified 102 and revised 63 existing Recommendations; developed four new and four revised Supplements developed six periodic ANT and OTN Work and Standardization Plans as lead study group on these issues. 14 Questions assigned by WTSA Questions proposed for next period

International Telecommunication Union 18 ITU-T Study Group 15 Optical and other transport network infrastructures Workshops Joint ITU-T/IEEE Workshop on Next Generation Optical Access Systems Geneva, June 2008 Joint ITU-T/IEEE workshop on Carrier-class Ethernet Geneva, 31 May (afternoon) - 1 June 2007 ITU-T Workshop on NGN and its Transport Networks Kobe, 20 to 21 April 2006 Opportunities and challenges in Home Networking Geneva, October 2005

International Telecommunication Union 19 ITU-T Study Group 15 Optical and other transport network infrastructures G-PON interoperability showcases NXTcomm 2008 Las Vegas, June NXTcomm 2007 Chicago, June 2007 Telecom World 2006 December Supercomm 2005 Chicago, 7-9 June 2005

International Telecommunication Union 20 ITU-T Study Group 15 Optical and other transport network infrastructures Power saving tutorials A series of three one-hour power saving tutorials were held February 2008 Each early-morning session attracted about 100 participants SG15 can play its part in helping to reduce greenhouse gas emissions by implementing energy saving techniques in its standardisation work programme by focusing on the goals of reduced power consumption and energy efficiency Consider opportunities and techniques for power saving in DSL and PON as well as energy efficient Ethernet

International Telecommunication Union 21 ITU-T Study Group 15 Optical and other transport network infrastructures Developing country issues SG15 action plan on developing country issues Preparation of a new Supplement 42 on the use of the ITU-T Recommendations related to Optical Technology to give to developing countries improved capability in the application of standards also seen as benefiting the wider telecommunication industry, particularly manufacturers and operators, which could benefit from the greater involvement of developing countries in the making and application of standards.

International Telecommunication Union 22 ITU-T Study Group 15 Optical and other transport network infrastructures Highlights of projects/promotion Projects – updated at six SG meetings – Access Network Transport (ANT) Standardization Overview – ANT Work Plan – OTNT Standardization Work Plan Promotion of SG 15 activities through – 30 ITU Press Releases and Newslog posting – 9 ITU-T Brochures (flyers) – 4 GPON interoperability events – Speakers at industry events

International Telecommunication Union 23 ITU-T Study Group 15 Optical and other transport network infrastructures SG15 technical brochures; flyers CWDM - Coarse Wavelength Division Multiplexing DSL - Digital Subscriber Line DWDM - Dense Wavelength Division Multiplexing EoT - Ethernet over Transport G-PON - Gigabit-capable Passive Optical Network Optical Fibres and cables OTN - Optical transport network OTS - Optical transmission systems Synchronisation over packet networks

International Telecommunication Union 24 ITU-T Study Group 15 Optical and other transport network infrastructures Other activities Contributions to the ITU symposia on ICTs and climate change Contributions to the JCA Home networking Proposals to TSAG addressing EDH and Study Group restructuring Study the results of the Kaleidoscope events and technology watch activities for new technologies which could become candidates for standardization.

International Telecommunication Union 25 ITU-T Study Group 15 Optical and other transport network infrastructures Registration and assignment SG15 is responsible for registration and assignment Use of the IEEE assigned Organizationally Unique Identifier for ITU-T with IEEE Std 802 Local and Metropolitan Area Networks Use of SAPI value in ITU-T Recommendation X.85/Y.1321

International Telecommunication Union 26 ITU-T Study Group 15 Optical and other transport network infrastructures Thank you! Yoichi Maeda has been Chairman of SG15 since Since joining NTT in 1980, he has been engaged in research and development on transport network systems including SDH, ATM and IP technologies. From 1988 to 1989, he worked for British Telecom Research Laboratories as an exchange research engineer. Since 1989, he has been an active participant in SG13 and SG15. From 2000 to 2004, he had been a Vice- Chairman of SG13. He is a member of the IEEE and a Fellow of IEICE of Japan. He is the Feature Editor on Standards for the IEEE Communications Magazine since He is currently a Director of Standardization Promotion Section of NTT Advanced Technology Corporation. He is also a Senior Adviser of NTT.