Recent Submissions

  • On-the-fly adaptive routing for dragonfly interconnection networks 

    García, Marina; Vallejo, Enrique; Beivide Palacio, Julio Ramón; Camarero Coterillo, Cristobal; Valero Cortés, Mateo; Rodríguez Herrera, Germán; Minkenberg, Cyriel (2015-03-01)
    Article
    Restricted access - publisher's policy
    Adaptive deadlock-free routing mechanisms are required to handle variable traffic patterns in dragonfly networks. However, distance-based deadlock avoidance mechanisms typically employed in Dragonflies increase the router ...
  • Experimental and numerical analysis for potential heat reuse in liquid cooled data centres 

    Carbó, Andreu; Oró, Eduard; Salom, Jaume; Canuto, Mauro; Macías Lloret, Mario; Guitart Fernández, Jordi (2016-03-15)
    Article
    Restricted access - publisher's policy
    The rapid increase of data centre industry has stimulated the interest of both researchers and professionals in order to reduce energy consumption and carbon footprint of these unique infrastructures. The implementation ...
  • Optimal virtual slice composition toward multi-tenancy over hybrid OCS/OPS data center networks 

    Pagès Cruz, Albert; Pérez Sanchis, Miguel; Peng, Shuping; Perelló Muntan, Jordi; Simeonidou, Dimitra; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2015-10-01)
    Article
    Open Access
    Multi-tenancy is a key feature of modern data centers. It allows for the existence of multiple independent virtual infrastructures, called virtual slices, on top of the same physical infrastructure, each of them specially ...
  • SDN-enabled OPS with QoS guarantee for reconfigurable virtual data center networks 

    Miao, Wang; Agraz Bujan, Fernando; Peng, Shuping; Spadaro, Salvatore; Bernini, Giacomo; Perelló Muntan, Jordi; Zervas, Georgios; Nejabati, Reza; Ciulli, Nicola; Simeonidou, Dimitra; Dorren, Harm; Calabretta, Nicola (Institute of Electrical and Electronics Engineers (IEEE), 2015-07-01)
    Article
    Restricted access - publisher's policy
    Optical packet switching (OPS) can enhance the performance of data center networks (DCNs) by providing fast and large-capacity switching capability. Benefiting from the software-defined networking (SDN) control plane, which ...
  • Estimation and forecasting of ecological efficiency of virtual machines 

    Katsaros, Gregory; Stichler, Pascal; Subirats, Josep; Guitart Fernández, Jordi (Elsevier, 2016-02)
    Article
    Restricted access - publisher's policy
    The massive development of the cloud marketplace is leading to an increase in the number of the Data Centers (DCs) globally and eventually to an increase of the CO22 related footprint. The calculation of the impact of ...
  • Analysis of a trust model for SLA negotiation and enforcement in cloud markets 

    Macías Lloret, Mario; Guitart Fernández, Jordi (Elsevier, 2016-02)
    Article
    Restricted access - publisher's policy
    Online Reputation Systems help mitigate the information asymmetry between clients and providers in Cloud Computing Markets. However, those systems raise two main drawbacks: the disagreement for assuming the cost of ownership ...
  • A technological overview of the guifi.net community network 

    Vega d'Aurelio, Davide; Baig Viñas, Roger; Cerdà Alabern, Llorenç; Medina Medina, Esunly; Meseguer Pallarès, Roc; Navarro Moldes, Leandro (2015-12-24)
    Article
    Restricted access - publisher's policy
    This work presents a technological analysis of guifi.net, a free, neutral, and open-access community network. Guifi.net consists of more than 27,000 operational nodes, which makes it the world’s largest community network ...
  • LISP: a southbound SDN protocol? 

    Rodríguez Natal, Alberto; Portoles Comeras, Marc; Ermagan, Vina; Lewis, Darrel; Farinacci, Dino; Maino, Fabio; Cabellos Aparicio, Alberto (2015-07-01)
    Article
    Open Access
    The Locator/ID Separation Protocol (LISP) splits current IP addresses overlapping semantics of identity and location into two separate namespaces. Since its inception the protocol has gained considerable attention from ...
  • Multi-GPU and multi-CPU accelerated FDTD scheme for vibroacoustic applications 

    Francés Monllor, Jorge; Otero Calviño, Beatriz; Bleda Pérez, Sergio; Gallego Rico, Sergi; Neipp López, Cristian; Urbano-Márquez, A.; Beléndez Vazquez, Augusto (2015-06-01)
    Article
    Restricted access - publisher's policy
    The Finite-Difference Time-Domain (FDTD) method is applied to the analysis of vibroacoustic problems and to study the propagation of longitudinal and transversal waves in a stratified media. The potential of the scheme and ...
  • Broadcast-enabled massive multicore architectures: a wireless RF approach 

    Abadal Cavallé, Sergi; Sheinman, Benny; Katz, Oded; Markish, Ofer; Elad, Danny; Fournier, Yvan; Roca, Damian; Hanzich, Mauricio; Houzeaux, Guillaume; Nemirovsky, Mario; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (2015-09)
    Article
    Open Access
    Broadcast traditionally has been regarded as a prohibitive communication transaction in multiprocessor environments. Nowadays, such a constraint largely drives the design of architectures and algorithms all-pervasive in ...

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