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Question 14/15

Question 14/15 - Management and control of transport systems and equipment
(Continuation of Question 14/15)
As the level of functionality and intelligence in transport networks increases, the management and control requirements and supporting management information models for these networks and equipment become more important. Management/Control Recommendations are required for all types of transport equipment, e.g., optical, wireless, terrestrial, submarine, satellite, etc., defined in ITU-T Recommendations. Management/Control requirements and information models for the interworking of standards-based transport systems/equipment and other equipment are essential to realize the full value of modern transport networks.
ITU-T has established the Telecommunications Management Network (TMN) concept as a generalized framework for the definition of management requirements and supporting information models. Recommendations are needed to integrate into the TMN framework the management functions of modern, standards-based transport equipment. Management requirements and information models should be based on the current ITU-T specified principles, functions, and techniques, for example as contained in Recommendations M.3010, M.3013, M.3020 and M.3400.
ITU-T has been creating standards on Automatically Switched Optical Networks (ASON) and their control mechanisms. Specifically, the ASON control mechanisms support both the activation of efficient connection configurations in a transport layer network and fast optical restoration. An architecture framework has been defined in Recommendation G.8080/Y.1304 (architecture) for ASON. Recommendations for the protocol-neutral requirements and protocol solutions are needed for ASON control, discovery, and management.
The following major Recommendations, in force/progress at the time of approval of this Question, fall under its responsibility: G.774-series, G.784, G.874-series, G.7710/Y.1701, G.7712/Y.1703, G.7713/Y.1704-series, G.7714/Y.1705-series, G.7715/Y.1706-series, G.7716/Y.1707, G.7718/Y.1709-series, G.8051/Y.1345, G.8052/Y.1346, G.8151/Y.1374, G.8152/Y.1375 and I.752.
What management requirements and information models must be specified to enable efficient and effective management of transport equipment in interoffice and long distance networks, including evolution to the Optical Transport Network (OTN), Packet Transport Network (PTN) and Next Generation Networks (NGN)?
What management requirements and information models must be specified to support the interworking among equipment and systems of different transport technologies, e.g., various interworking combinations among IP, ATM, SDH/SONET, OTN, MPLS, and Ethernet?
What factors should be considered to identify management methodologies best suited to the characteristics of transport network equipment? Based on the Q-interface characterization in M.3010 and M.3013, what management protocols are appropriate for different classes of equipment? For example what management protocols are best suited to equipment that has limited management capabilities.
What control requirements and protocol solutions must be specified to enable efficient and effective signalling, routing, automatic discovery, and management of ASON?
What management and control requirements and protocol solutions should be specified to enable efficient use of power energy of the equipment in the network without impacting the reliability and availability of the network?
Study items to be considered include, but are not limited to:
  • ASON control architecture based protocol-neutral requirements and associated protocol solutions, including packet transport networks (e.g., Ethernet transport network and MPLS transport network)
  • Management aspect of control planes, including interaction between a control plane and a management plane
  • Management aspect of transport planes, including the management support of the additional flexibility within the evolving photonic transport network
  • Management aspects of:
    • Ethernet transport network equipment
    • MPLS transport network equipment
    • SDH network equipment
    • Optical network equipment to include the evolution of photonic technologies
    • Flexible multiplexing equipment
    • PDH multiplexing equipment
    • ATM network equipment
    • NGN equipment
    • Access network equipment
    • Generic Framing Procedure (GFP) to include client signals such as Fibre Channel clients, FC_BB_GFPT
    • Link Capacity Adjustment Scheme (LCAS)
    • Virtual Concatenation
    • Management of data communication capability
    • Power management of the equipment for energy saving
  • Common management service (Joint work item with SG2).
Tasks include, but are not limited to:
  • Revise Recommendations in the G.774 series
  • Revise Recommendation G.784, including VCAT and LCAS functions.
  • Revise Recommendations G.874 and G.874.1, including VCAT and LCAS functions. 
  • Revise Recommendation G.7710/Y.1701, Common Management Requirements, including requirements for power saving modes
  • Revise Recommendation G.7712/Y.1703, Data Communication Network
  • Revise Recommendations G.7713/Y.1704 and G.7713.x/Y.1704.x series, Distributed Connection Management
  • Revise Recommendations G.7714/Y.1705 and G.7714.1/Y.1705.1, Auto Discovery
  • Complete new Recommendations for G.7714.2/Y.1705.2, Transport capability exchange for automatic discovery
  • Revise Recommendations G.7715/Y.1706 and G.7715.x series, ASON Routing Requirements
  • Complete new Recommendations for ASON protocol-specific routing
  • Revise Recommendations G.7716/Y.1707, Architecture of control plane operations  
  • Revise Recommendations G.7718/Y.1709 and G.7718.x/Y.1709.x series on Framework for ASON Management and information model
  • Revise Recommendation G.8051/Y.1345 “Management aspects of the Ethernet transport network element”
  • Complete new Recommendation G.8052/Y.1346 “Protocol-neutral management information model for the Ethernet transport network element”
  • Revise Recommendation G.8151/Y.1374 “Management aspects of the MPLS-TP network element”
  • Complete new Recommendation G.8152/Y.1375 “Protocol-neutral management information model for the MPLS-TP network element”
NOTE: An up-to-date status of work under this Question is contained in the SG15 Work Programme at
  • M series (SG2), G.800, G.805, G.806, G.808 series, G.809, G.783, G.798, G.873 series, G.7044, G.8010, G.8013, G.8021, G.8031, G.8032, G.8110.1, G.8113.1, G.8113.2, G.8121 series, G.8131, G.8132, G.8080 and Y.1563.
  • Q2/15, Q4/15, Q6/15, Q9/15, Q10/15, Q11/15, Q12/15 and Q13/15.
Study Groups:
  • ITU-T SG2 on telecommunications management
  • ITU-T SG12 for performance, QoS, and QoE
  • ITU-T SG13 on Cloud Computing
  • ITU-T Joint Coordination Activity on Cloud Computing (JCA-Cloud)
  • ITU-T SG17 on data networks
  • ITU-R WP 9B for radio relay system
Standardisation bodies, forums and consortia:
  • ATIS Committee COAST on transport management aspects
  • ATIS Committee TMOC on generic management aspects
  • IEEE 802 on Ethernet management
  • IETF Working Groups in Operations and Management, Transport, and Routing
  • MEF on Ethernet management
  • OIF (Signalling, Architecture, Carrier, and OAM&P WGs)
  • OMG on UML
  • TM Forum on network-level management interface specifications (MTNM, MTOSI, and TIP aspects)
  • W3C on XML