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  1. Only showing results from bscw.metro-haul.eu

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  2. bscw.metro-haul.eu

    The four models: bare metal; white box; brite box and black box are schematically depicted in Fig. 1 together with the graded 'spectrum' of lifecycle support that a TELCO must sustain. The bare metal and white box models requires the most commitment from the TELCO and pre-suppose some in-house resource and lifecycle commitment. This may prove
  3. bscw.metro-haul.eu

    model with transponder nodes for transmission and ROADMs for ... 15, 2018. This work was supported in part by the EC through the METRO-HAUL (G.A. no. 761727) project, in part by the Spanish MINECO SYNERGY (TEC2014-59995-R) and TWINS (TEC2017-90097-R) projects, and in part by ... Optical nodes or even disaggregated subsystems on a blade ...
  4. bscw.metro-haul.eu

    Metro-Haul Research project. Zero Touch & Carrier Automation Congress - March 22, 2018. https://metro-haul.eu. Project Name: METRO High bandwidth, 5G Application -aware optical network, with edge storage, compUte andlow Latency Acronym: METRO-HAUL Call identifier: H2020-ICT-2016-2 RIA (Research and Innovative Action) Grant Agreement Number:761727
  5. bscw.metro-haul.eu

    Metro-Haul Objectives •Architect and design cost-effective, energy-efficient, agile and programmable metro networks • Scalable for 5G access and future requirements • Design of all-optical metro nodes (including full compute and storage capabilities) • Interface with both 5G access and multi-Tbit/s elastic core networks. •Challenges:
  6. bscw.metro-haul.eu

    Metro-Haul architecture and scope METRO TRANSPORT Access Metro Edge Metro Core Edge Photonic Core Metro Core Edge Metro Node Metro Node Metro Node Metro scope 10-20 km 0.1-0.2ms Control / Orchestration 5G Access 50-200 km 0.5-2ms 100-1000 km 1-10ms Access Metro Edge Node (AMEN) -multiple ubiquitous access technologies, cloud enabled (storage ...
  7. bscw.metro-haul.eu

    and planning of the optical network. As of today, existing (pre-deployment) estimation techniques for lightpath QoT can be roughly classified into two categories. On the one hand, sophisticated analytical models (e.g., split-step Fourier method [1]) capturing different physical layer im-pairments can be used to estimate with great precision the
  8. bscw.metro-haul.eu

    The provisioning and operation of optical transport connections, both accurately and via an automated interface, including path feasibility evaluations, are critical requirements for METRO-HAUL. Increasingly it is expected that programming of the network will need to be performed via network APIs, using model-based technologies.
  9. bscw.metro-haul.eu

    resource allocation since flows in metro-areas (metro-flows) are routed considering only resource availability in the metro. As a result, the core VNT might become congested if metro-flows are rerouted and enter in the core through a different node because of metro-scope re-optimization. To support and automate VNT adaptability, authors in [5]
  10. bscw.metro-haul.eu

    (Power Budget, Gaussian model…) • Faster and more scalable • Inaccurate, high margination, underutilization of network resources (up to extra 2 dB for design margins [1]) Existing (pre-deployment) estimation techniques for lightpath QoT 7 [1] Y. Pointurier, "Design of low-margin optical networks," in
  11. bscw.metro-haul.eu

    the optical fiber to a longer path, and the resulting increase of latency in the microseconds timescale has a large impact in the performance. Hence, continuous monitoring of the latency at the microsecond resolution is in order. In order to measure latency with such a fine-grain granular-ity, reflectometers can be used in an optical segment ...

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