ITUT NGN Progress and Plans

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ITU-T NGN - Progress and Plans
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• Brian Moore
• Lucent Technologies
• Chairman of ITU-T Study Group 13

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GSC-9, Seoul
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• NGN has become a major aspect of the work of the
  ITU-T, reinforced by the positive outcomes of a
  number of ITU-T workshops and by the growing
  interest and involvement in NGN work in the Study
  Groups
• Study Group 13 responded by the setting up of an
  NGN-2004 Project and by initiating intensive work
  on the definition of NGN and preparation of a set
  of foundational Recommendations on NGN

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The ITU-T NGN Project

• The aim of the NGN Project is to identify and
  coordinate all ITU-T activities related to the
  establishment of implementation guidelines and
  standards for the realisation of a Next
  Generation Network. A major task of the Project
  is to ensure that all elements required for
  interoperability and network capabilities to
  support applications globally across the NGN are
  addressed by ITU-T standardisation activities.

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Role of Study Group 13 in the ITU-T NGN project

• Requirements and implementation scenarios for
  services and framework architectures
• Generic technical work
• Project development and management
• Development of Profiles

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ITU-T Definition of a Next Generation Network

• A Next Generation Network is a
  packet-based network able to provide services
  including Telecommunication Services and able to
  make use of multiple broadband, QoS-enabled
  transport technologies and in which
  service-related functions are independent from
  underlying transport-related technologies.

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• It offers unrestricted access by users to
  different service providers.
• It supports generalised mobility which will
  allow consistent and ubiquitous provision of
  services to users.

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An NGN is characterised by the following
fundamental aspects

• Packet-based transfer
• Separation of control functions among bearer
  capabilities, call/session, and application/
  service
• Decoupling of service provision from network, and
  provision of open interfaces

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• Support for a wide range of services,
  applications and mechanisms based on service
  building blocks (including real time/ streaming/
  non-real time services and multi-media)
• Broadband capabilities with end-to-end QoS and
  transparency
• Interworking with legacy networks via open
  interfaces

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• Generalised mobility
• Unrestricted access by users to different service
  providers
• A variety of identification schemes which can be
  resolved to IP addresses for the purposes of
  routing in IP networks
• Unified service characteristics for the same
  service as perceived by the user

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• Converged services between Fixed/Mobile
• Independence of service-related functions from
  underlying transport technologies
• Compliant with all regulatory requirements, for
  example concerning emergency communications and
  security/privacy

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NGN project status

• Study Group 13 has set up a task force to speed
  up the initial phase of the work JRG-NGN (next
  meeting in June)
• Currently working on a set of foundational
  Recommendations (planned for approval in 2004)
• Growing involvement of other Study Groups

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Draft Study Group 13 NGN Recommendations

• Y.NGNOverview General overview of NGN functions
  and characteristics
• Y.GRM-NGN General reference model for NGN
• Y.NGN-FRM Functional architecture model
• Y.NGN-SRQ NGN service requirements
• Y.NGN-MOB Mobility management requirements and
  architecture for NGN

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• Y.NGN-MAN Framework for manageable IP network
• Y.NGN-MIG Migration of networks (including TDM
  networks) to NGN
• Y.NGN-CON Regulatory consideration of the NGN
• Y.e2eqos End-to-end QoS architecture for IP
  networks evolving into NGN
• Y.123.qos A QoS architecture for Ethernet-based
  IP access network

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Future activities

• Further work on the NGN foundational
  Recommendations in Study Group 13 and on specific
  NGN Recommendation in the other Study Groups
• Further development of the NGN Project to include
  all required new standards and release plans and
  to take account of any restructuring of the ITU-T
  Study Groups

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• Study Groups will include NGN issues in their new
  questions for the new study period
• Collaboration with other SDOs and regional
  standards organisations to ensure harmonisation
  and globalisation of NGN through the focus of the
  ITU-T

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• Consideration of additional ways to concentrate
  NGN standardisation efforts and to respond to the
  needs of industry e.g.
• setting up of one or more Focus Groups on NGN
• increased project working in the ITU-T

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Discussions with the OCAF

• Initial contact with Open Communications
  Architecture Forum ad hoc group (11 March) -
  ITU-T offers to host the Forum as a Focus Group
• Discussions with Study Group 13 chairman and TSB
  director lead to a formal request to the ITU-T to
  host the OCAF (26 March)
• ITU-T representatives attend meeting with the
  OCAF (5 6 April) to clarify working
  arrangements and OCAF charter issues with the
  objective to finalise the arrangements by end of
  April