Now showing items 1-8 of 8

    • Coordinated Computation of Multi-layer Paths via Inter-layer PCE Communication: Standards, Interoperability and Deployment 

      Chamania, Mohit; González de Dios, Óscar; López, Víctor; Cuaresma, Marta; Drogon, Marek; Jukan, Admela; Masip Bruin, Xavier; Yannuzzi, Marcelo (2012)
      Conference report
      Open Access
      The Path Computation Element (PCE) is positioned nowadays as one of the solutions that almost every carrier will eventually deploy. The PCE architecture as well as a number of components, including the PCE Communication ...
    • Cross-stratum orchestration and flexgrid optical networks for datacenter federations 

      Velasco Esteban, Luis Domingo; Asensio Garcia, Adrian; Castro Casales, Alberto; Berral García, Josep Lluís; Carrera Pérez, David; López, Víctor; Fernández Palacios, Juan Pedro (2013-11)
      Article
      Restricted access - publisher's policy
      Current inter-data-center connections are configured as static big fat pipes, which entails large bit rate over-provisioning and thus high operational costs for DC operators. On the other hand, network operators cannot ...
    • Finding an objective cost for sliceable flexgrid transponders 

      Velasco Esteban, Luis Domingo; González de Dios, Óscar; López, Víctor; Fernández Palacios, Juan Pedro; Junyent Giralt, Gabriel (The Optical Society (OSA), 2014)
      Conference report
      Open Access
      We analyze the objective cost of SBVTs as a function of the traffic conveyed by IP/MPLS-over-flexgrid networks. Optimal results show that cost increment with respect to BVTs is related to the aggregation level.
    • First experimental demonstration of ABNO-driven in-operation flexgrid network re-optimization 

      Velasco Esteban, Luis Domingo; Paolucci, Francesco; Gifre Renom, Lluís; Aguado, Alejandro; Cugini, Filippo; Castoldi, Piero; López, Víctor (The Optical Society (OSA), 2014)
      Conference report
      Open Access
      The after failure repair optimization problem is used to experimentally validate in-operation planning using the ABNO architecture to control a flexgrid optical network. A back-end PCE is used to solve this computational ...
    • Introduction to IP over WDM 

      Spadaro, Salvatore; Careglio, Davide; Aracil Rico, Javier; Fernández Palacios, Juan Pedro; Jajszczyk, Andrzej; Larrabeiti, David; López, Víctor; Masip Bruin, Xavier; Sánchez López, Sergio (Springer, 2009-06-01)
      Part of book or chapter of book
      Restricted access - publisher's policy
      The simple idea of having IP traffic directly transported over optical Wavelength Division Multiplexing (WDM) technology (“Internet Protocol (IP) over WDM”) has been envisioned as the future for the telecommunication ...
    • Learning to open new doors 

      López, Víctor (Universitat Politècnica de Catalunya, 2014-01)
      Master thesis
      Open Access
      Finding and opening an unknown door autonomously is an unsolved challenge that the most advanced robots in the world have not solved yet. Door handles have diferent locations, shapes, operating mechanisms and are made of ...
    • Towards a carrier SDN: an example for elastic inter-datacenter connectivity 

      Velasco Esteban, Luis Domingo; Berral García, Josep Lluís; Asensio Garcia, Adrian; Castro Casales, Alberto; López, Víctor (2013)
      Conference report
      Open Access
      We propose a network-driven transfer mode for cloud operations in a step towards a carrier SDN. Inter-datacenter connectivity is requested in terms of volume of data and completion time. The SDN controller translates and ...
    • Traditional versus hypertextual index in an on-line course on Oscillation and Wave Physics 

      Pejuan Alcobé, Arcadi; López, Víctor (2018)
      Article
      Open Access
      An online course on Oscillation and Wave Physics (https://ocw.upc.edu/webs/42254/Acustica_EN/) was implemented. As the first objective, this article describes its main features, especially the two types of indexes for ...