Now showing items 1-10 of 10

    • Active PCE demonstration performing elastic operations and hitless defragmentation in flexible grid optical networks 

      Paolucci, Francesco; Castro Casales, Alberto; Fresi, Francesco; Imran, Muhammad; Giorgetti, Alessio; Bhownik, Bishanka Brata; Berrettini, Gianluca; Meloni, Gianluca; Cugini, Filippo; Velasco Esteban, Luis Domingo; Poti, Luca; Castoldi, Piero (2015-02-01)
      Article
      Restricted access - publisher's policy
    • 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 ...
    • Experimental demonstration of an active stateful PCE performing elastic operations and hitless defragmentation 

      Castro Casales, Alberto; Paolucci, Francesco; Fresi, Francesco; Imran, Muhammad; Bhowmik, Bishanka; Berrettini, Gianluca; Meloni, Gianluca; Giorgetti, Alessio; Cugini, Filippo; Velasco Esteban, Luis Domingo; Poti, Luca; Castoldi, Piero (2013)
      Conference report
      Restricted access - publisher's policy
      An experimental demonstration of active stateful PCE for flexgrid networks is presented. The PCE enables elastic operations on established connections and, when required, performs hitless defragmentation of spectrum ...
    • Filter optimization in SDN-based flexgrid networks 

      Paolucci, Francesco; Fresi, Francesco; Castro Casales, Alberto; Velasco Esteban, Luis Domingo; Cugini, Filippo; Sambo, Nicola; Giorgetti, Alessio; Poti, Luca; Castoldi, Piero (Optical Society of American (OSA), 2014)
      Conference report
      Restricted access - publisher's policy
      The novel super-filter technique for flexgrid optical networks is proposed to compact spectrum-contiguous lightpaths. The technique is applied in a specifically extended SDN architecture, showing significant gains in terms ...
    • 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 ...
    • Impact of multi-wavelength sliceable transponders in elastic optical networks 

      Dallaglio, Mateo; Giorgetti, Alessio; Sambo, Nicola; Velasco Esteban, Luis Domingo; Castoldi, Piero (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      The utilization of sliceable bandwidth variable transponders based on multi-wavelength technology is evaluated in EONs. A routing and spectrum assignment scheme is proposed specifically designed to consider the constraints ...
    • Research on optical core networks in the e-photon/ONe Network of excellence 

      Klinkowski, Miroslaw; Callegati, Franco; Aracil, Rafael; Wosinska, Lena; Andriolli, Nicola; Careglio, Davide; Giorgetti, Alessio; Fernández Palacios, Juan Pedro; Gauger, C.; Tornatore, Massimo; Sengezer, N.; Rea, L.; Raffaelli, Carla; Overby, Harald; Matera, F.; Karasan, Ezhan; Hu, G.; González de Dios, Óscar (IEEE Computer Society Publications, 2006-04-23)
      Conference report
      Open Access
      This papers reports the advances in Optical Core networks research coordinated in the framework of the e-Photon/ONe and e-Photon/ONe+ networks of excellence.
    • Routing, spectrum, and transponder assignment in elastic optical networks 

      Dallaglio, Mateo; Giorgetti, Alessio; Sambo, Nicola; Velasco Esteban, Luis Domingo; Castoldi, Piero (2015)
      Article
      Open Access
      Backbone networks are evolving toward Elastic Optical Network (EON) architecture that allows a flexible and efficient use of spectrum resources. Flexibility in EONs is guaranteed also by emerging sliceable bandwidth variable ...
    • Superfilter technique in SDN-controlled elastic optical networks 

      Paolucci, Francesco; Cugini, Filippo; Fresi, Francesco; Meloni, Gianluca; Giorgetti, Alessio; Sambo, Nicola; Poti, Luca; Castro Casales, Alberto; Velasco Esteban, Luis Domingo; Castoldi, Piero (Institute of Electrical and Electronics Engineers (IEEE), 2015-02-01)
      Article
      Restricted access - publisher's policy
      In flexigrid elastic optical networks, filtering cascade effects strongly affect the overall transmission performance. To avoid these detrimental impairments, each lightpath is typically configured, in an independent way, ...
    • TelcoFog: A unified flexible fog and cloud computing architecture for 5G networks 

      Vilalta, Ricard; López Álvarez, Victor; Giorgetti, Alessio; Peng, Shuping; Orsini, Vittorio; Velasco Esteban, Luis Domingo; Serral Gracià, René; Morris, Donald; Fina, Silvia de; Cugini, Filippo; Castoldi, Piero; Mayoral, Arturo; Casellas Regi, Ramón; Martínez, Ricardo; Verikoukis, Christos; Ricart Muñoz, Raul (2017-08-01)
      Article
      Open Access
      Telecom operators require cloud computing and storage infrastructures, integrated with their heterogeneous access and transport networks, in order to provide software defined networking (SDN), network functions virtualization ...