Ara es mostren els items 13-21 de 21

    • Making data centres fit for demand response: introducing GreenSDA and GreenSLA contracts 

      Basmadjian, Robert; Botero Vega, Juan Felipe; Giuliani, Giovanni; Hesselbach Serra, Xavier; Klingert, Sonja; de Meer, Hermann (2016-11-23)
      Article
      Accés obert
      The power grid has become a critical infrastructure, which modern society cannot do without. It has always been a challenge to keep power supply and demand in balance; the more so with the recent rise of intermittent ...
    • Management of resources under priorities in EON using a modified RDM based on the squatting-kicking approach 

      Hesselbach Serra, Xavier; Dantas, Joana; Amazonas, José Roberto de Almeida; Botero Vega, Juan Felipe; Piney da Silva, José Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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      Accés restringit per política de l'editorial
      The paper proposes a resources allocation method for EON based on a modified RDM using squatting and kicking strategies in order to prioritise the usage of channels and enhancing the total utilisation. It can also be used ...
    • MANTICORE II: IP Network as a Service Pilots at HEAnet, NORDUnet and RedIRIS 

      Cabello, Isidro; Simeonidou, Dimitra; Lonvich, Chris; Uze, Jean Marc; de Miguel, Tomas P.; Fischer, Lars; Wilson, Dave; Reijs, Victor; Grasa Gras, Eduard; Figuerola, Sergi; Barrera, Xavier; Ferrao, Laia; Baez, Carlos; Minoves, Pau; Hesselbach Serra, Xavier; Botero Vega, Juan Felipe (2010)
      Text en actes de congrés
      Accés obert
      MANTICORE II follows the Infrastructure as a Service (IaaS) paradigm to enable National Research and Education Networks (NRENs) and other e-infrastructure providers to enhance their service portfolio by building and piloting ...
    • Optimal mapping of virtual networks with hidden hops 

      Botero Vega, Juan Felipe; Hesselbach Serra, Xavier; Fischer, Andreas; de Meer, Hermann (2012-12-01)
      Article
      Accés obert
      Network virtualization has emerged as a solution for the Internet inability to address the required challenges caused by the lack of coordination among Internet service providers for the deployment of new services. The ...
    • Optimization model for bandwidth allocation in a network virtualization environment 

      Botero Vega, Juan Felipe; Hesselbach Serra, Xavier (2009)
      Text en actes de congrés
      Accés obert
      Bandwidth allocation is one of the main problems in network virtualization. Mechanisms to allocate bandwidth may avoid bottlenecked virtual links. This paper proposes a model based on optimization theory, to distribute the ...
    • Study, evaluation and contributions to new algorithms for the embedding problem in a network virtualization environment 

      Botero Vega, Juan Felipe (Universitat Politècnica de Catalunya, 2013-06-21)
      Tesi
      Accés obert
      Network virtualization is recognized as an enabling technology for the future Internet. It aims to overcome the resistance of the current Internet to architectural change and to enable a new business model decoupling the ...
    • The Bottlenecked Virtual Network Problem in Bandwidth Allocation for Network Virtualization 

      Botero Vega, Juan Felipe; Hesselbach Serra, Xavier (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
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      Internet is becoming unable to overcome the challenges required by new services due to the lack of coordination among Internet service providers. This situation, frequently called network ossification, makes increasingly ...
    • Virtual network embedding: a survey 

      Fischer, Andreas; Botero Vega, Juan Felipe; Beck, Michael Till; de Meer, Hermann; Hesselbach Serra, Xavier (IEEE Computer Society Publications, 2013-10)
      Article
      Accés restringit per política de l'editorial
      Network virtualization is recognized as an enabling technology for the future Internet. It aims to overcome the resistance of the current Internet to architectural change. Application of this technology relies on algorithms ...
    • VNREAL: Virtual network resource embedding algorithms in the framework ALEVIN 

      Duelli, Michael; Schlosser, Daniel; Botero Vega, Juan Felipe; Hesselbach Serra, Xavier; Fischer, A.; de Meer, Hermann (2011)
      Text en actes de congrés
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      Network virtualization is recognized as an enabling technology for the Future Internet that overcomes network ossification. However, it introduces a set of challenges. In any network virtualization environment, the problem ...