Now showing items 1-9 of 9

    • An architecture to support autonomic slice networking 

      Velasco Esteban, Luis Domingo; Gifre Renom, Lluís; Izquierdo Zaragoza, José Luis; Paolucci, Francesco; Vela, Alba P.; Sgambelluri, Andrea; Ruiz Ramírez, Marc; Cugini, Filippo (2017-09-01)
      Article
      Open Access
      IEEE Network slices combine resource virtualization with the isolation level required by future 5G applications. In addition, the use of monitoring and data analytics help to maintain the required network performance, while ...
    • Automated end to end Carrier Ethernet provisioning over a disaggregated WDM metro network with a hierarchical SDN control and monitoring platform 

      Morro, Roberto; Lucrezia, Francesco; Gomes, P.; Casellas Regi, Ramón; Giorgetti, Alessio; Velasco Esteban, Luis Domingo; Riccardi, Emilio; Chiadò Piat, Anna; Percelsi, Alessandro; Pedro, João; Gifre Renom, Lluís; Sgambelluri, Andrea; Risso, Fulvio; Marchetto, Guido (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      This demo shows how a hierarchical control plane of ONOS SDN controllers orchestrates the dynamic provisioning of end-to-end Carrier Ethernet circuits on a composite network, programming the whole data path from the CPE ...
    • Building autonomic optical whitebox-based networks 

      Velasco Esteban, Luis Domingo; Sgambelluri, Andrea; Casellas Regi, Ramón; Gifre Renom, Lluís; Izquierdo Zaragoza, José Luis; Fresi, Francesco; Paolucci, Francesco; Martínez Rivera, Ricardo Victor; Riccardi, Emilio (Institute of Electrical and Electronics Engineers (IEEE), 2018-08-01)
      Article
      Open Access
      Disaggregation at the optical layer is expected to bring benefits to network operators by enriching the offering of available solutions and enabling the deployment of optical nodes that better fit their needs. In this ...
    • Evaluating link latency in distributed SDN-based control plane architectures 

      Sgambelluri, Andrea; Casas, Xavier; Spadaro, Salvatore; Monti, Paolo (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Restricted access - publisher's policy
      Being able to account for the value of latency introduced by the transport infrastructure is considered a crucial feature for any 5G service provisioning strategy. This paper proposes a methodology for the automatic ...
    • Fully disaggregated ROADM white box with NETCONF/YANG control, telemetry, and machine learning-based monitoring 

      Sgambelluri, Andrea; Izquierdo Zaragoza, José Luis; Giorgetti, Alessio; Gifre Renom, Lluís; Velasco Esteban, Luis Domingo; Paolucci, Francesco; Sambo, Nicola; Fresi, Francesco; Castoldi, Piero; Morro, Roberto; Riccardi, Emilio; D'Errico, Alessio; Cugini, Filippo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      A first demonstration of ROADM White Box augmented with machine learning capabilities is demonstrated. The white box includes various level of disaggregation, NETCONF/YANG control, telemetry and spectrum-based advanced ...
    • Real-time optical spectrum monitoring in filterless optical metro networks 

      Shariati, Mohammad Behnam; Ruiz Ramírez, Marc; Fresi, Francesco; Sgambelluri, Andrea; Cugini, Filippo; Velasco Esteban, Luis Domingo (2020-06-17)
      Article
      Open Access
      Filterless optical networks (FONs) have been proposed as a feasible solution for optical metro networks. In addition, as a result of the shorter distance compared to core optical networks, direct detection optical transmission ...
    • Real-time spectrum surveillance in filterless optical networks 

      Shariati, Mohammad Behnam; Ruiz Ramírez, Marc; Sgambelluri, Andrea; Cugini, Filippo; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      A monitoring system exploiting data analytics and cost-effective optical spectrum analyzers with under 1.2GHz resolution is proposed. Its performance is demonstrated in a filterless network experimental test-bed. The system ...
    • Smart filterless optical networks based on optical spectrum analysis 

      Ruiz Ramírez, Marc; Sgambelluri, Andrea; Cugini, Filippo; Velasco Esteban, Luis Domingo (2019)
      Conference report
      Open Access
      Dynamic network operations can produce power fluctuations of the established connections in filterless optical networks. In addition, the gridless nature of filterless networks make that some ...
    • Soft-failure detection, localization, identification, and severity prediction by estimating QoT model input parameters 

      Barzegar, Sima; Ruiz Ramírez, Marc; Sgambelluri, Andrea; Cugini, Filippo; Napoli, Antonio; Velasco Esteban, Luis Domingo (2021-09)
      Article
      Open Access
      The performance of optical devices can degrade because of aging and external causes like, for example, temperature variations. Such degradation might start with a low impact on the Quality of Transmission (QoT) of the ...