ITU-T Study Group 15 Optical and other transport network infrastructures

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ITU-T Study Group 15Optical and other transport
network infrastructures

• Yoichi Maeda

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Contents

• Terms of reference
• Highlights of achievements
• Future work
• Conclusions
• Supplemental slides

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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

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Highlights of achievements (I)

• One of the most active SGs in study period of
  2005-2008
• 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

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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

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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

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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)

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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.

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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

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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

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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

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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

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Supplemental Slides

• Management team
• Structure
• Statistics
• Workshops and showcases
• Tutorials

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Management Team
Chair Yoichi 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)
TSB Greg JonesEmmanuelle Labare


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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
  structureTransport network
• architecture,
• synchronization,
• protection,
• management and
• control

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Statistics (I)

• Rapporteurs meetings held 104
• Contributions received 1550
• SG meetings held 6
• Max/Min/Average SG participants 360/239/300

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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-04
• 18 Questions proposed for next period

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Workshops

• Joint ITU-T/IEEE Workshop on Next Generation
  Optical Access Systems
• Geneva, 19 - 20 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, 13 - 14 October 2005

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G-PON interoperability showcases

• NXTcomm 2008
• Las Vegas, 16-19 June 2008.
• NXTcomm 2007
• Chicago, 18-21 June 2007
• Telecom World 2006
• December 4-8 2006
• Supercomm 2005
• Chicago, 7-9 June 2005

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Power saving tutorials

• A series of three one-hour power saving tutorials
  were held 13-15 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

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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.

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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

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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

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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.

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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

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Thank you!

• Yoichi Maeda has been Chairman of SG15
• since 2004. 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 1999.
• He is currently a Director of Standardization
  Promotion Section of NTT Advanced Technology
  Corporation.
• He is also a Senior Adviser of NTT.