Ara es mostren els items 1-20 de 28

    • A methodology for full-system power modeling in heterogeneous data centers 

      Canuto, Mauro; Bosch, Raimon; Macías Lloret, Mario; Guitart Fernández, Jordi (Association for Computing Machinery (ACM), 2016)
      Comunicació de congrés
      Accés obert
      The need for energy-awareness in current data centers has encouraged the use of power modeling to estimate their power consumption. However, existing models present noticeable limitations, which make them application-dependent, ...
    • A non-additive negotiation model for utility computing markets 

      Macías Lloret, Mario; Guitart Fernández, Jordi (2009-09)
      Text en actes de congrés
      Accés obert
      Market-based resource allocation is a promising model for dealing with the growing Utility Computing environments, such as Grid or Cloud Computing. Agents that represent both service clients and providers meet in a market ...
    • A risk assessment framework for cloud computing 

      Djemame, Karim; Armstrong, Django; Guitart Fernández, Jordi; Macías Lloret, Mario (Institute of Electrical and Electronics Engineers (IEEE), 2016-07-01)
      Article
      Accés obert
      Cloud service providers offer access to their resources through formal service level agreements (SLA), and need well-balanced infrastructures so that they can maximise the quality of service (QoS) they offer and minimise ...
    • Analysis of a trust model for SLA negotiation and enforcement in cloud markets 

      Macías Lloret, Mario; Guitart Fernández, Jordi (Elsevier, 2016-02)
      Article
      Accés obert
      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 ...
    • ASCETiC: adapting service lifeCycle towards efficienT clouds 

      Juan Ferrer, Ana; Garcia Perez, David; Agiatzidou, Eleni; Lordan Gomis, Francesc-Josep; Ejarque, Jorge; Sirvent, Raul; Badia Sala, Rosa Maria; Guitart Fernández, Jordi; Ortiz, David; Macías Lloret, Mario; Deprez, Jean-Christophe; Ponsard, Christophe; Temporale, Christian; Panuccio, Pasquale; Sommacampagna, Davide; Blasi, Lorenzo; Djemame, Karim; Armstrong, Django; Kammer, Michael (SCITEPRESS, 2014-04)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Reducing energy consumption is increasingly gaining attention in the area of Cloud computing, as means to reduce costs and improve corporate sustainability image. ASCETiC is focused on providing novel methods and tools to ...
    • Business-driven resource allocation and management for data centres in cloud computing markets 

      Macías Lloret, Mario (Universitat Politècnica de Catalunya, 2014-05-28)
      Tesi
      Accés obert
      Cloud Computing markets arise as an efficient way to allocate resources for the execution of tasks and services within a set of geographically dispersed providers from different organisations. Client applications and service ...
    • Client classification policies for SLA negotiation and allocation in shared cloud datacenters 

      Macías Lloret, Mario; Guitart Fernández, Jordi (Springer, 2011)
      Text en actes de congrés
      Accés obert
      In Utility Computing business model, the owners of the computing resources negotiate with their potential clients to sell computing power. The terms of the Quality of Service (QoS) to be provided as well as the economic ...
    • EMOTIVE: the BSC’s engine for cloud solutions 

      Badia Sala, Rosa Maria; Goiri Presa, Íñigo; Guitart Fernández, Jordi; Macías Lloret, Mario; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Ejarque, Jorge; Sirvent Pardell, Raül; Lezzi, Daniele (2009-10-01)
      Article
      Accés obert
      Cloud computing is strongly based on virtualization, allowing applications to be multiplexed onto a physical resource while isolated from other applications sharing that physical resource. This technology simplifies the ...
    • Energy efficiency embedded service lifecycle: Towards an energy efficient cloud computing architecture 

      Djemame, Karim; Armstrong, Django; Kavanagh, Richard; Juan Ferrer, Ana; Garcia Perez, David; Antona, David; Deprez, Jean-Christophe; Ponsard, Christophe; Ortiz, David; Macías Lloret, Mario; Guitart Fernández, Jordi; Lordan Gomis, Francesc-Josep; Ejarque, Jorge; Sirvent Pardell, Raül; Badia Sala, Rosa Maria; Kammer, Michael; Kao, Odej; Agiatzidou, Eleni; Dimakis, Antonis; Courcoubetis, Costas; Blasi, Lorenzo (CEUR-WS.org, 2014)
      Text en actes de congrés
      Accés obert
      The paper argues the need to provide novel methods and tools to support software developers aiming to optimise energy efficiency and minimise the carbon footprint resulting from designing, developing, deploying and running ...
    • Energy efficiency support through intra-layer cloud stack adaptation 

      Djemame, Karim; Kavanagh, Richard; Armstrong, Django; Lordan Gomis, Francesc-Josep; Ejarque, Jorge; Macías Lloret, Mario; Sirvent, Raul; Guitart Fernández, Jordi; Badia Sala, Rosa Maria (Springer, 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Energy consumption is a key concern in cloud computing. The paper reports on a cloud architecture to support energy efficiency at service construction, deployment, and operation. This is achieved through SaaS, PaaS and ...
    • Examen Final 

      Macías Lloret, Mario; Jordán Fernández, Francisco; Jiménez, M; Guerrero, M.; Gil Martín, Marçal; Monreal Arnal, Teresa (Universitat Politècnica de Catalunya, 2015-01-09)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Gil Martín, Marçal; Heredia, F.-Javier (Francisco Javier); Jiménez, M.; Macías Lloret, Mario; Monreal Arnal, Teresa; Pérez, J.L.; Otero Calviño, Beatriz; Valverde Amador, Antonio Javier (Universitat Politècnica de Catalunya, 2013-06-26)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Heredero Lazaro, Ana M.; Jiménez Castells, Marta; Llorente Viejo, Silvia; Macías Lloret, Mario; Monreal Arnal, Teresa; Pérez Rico, José Luis; Otero Calviño, Beatriz; Valverde Amador, Antonio Javier; Guerrero Zapata, Josep Maria; Gil, Marisa (Universitat Politècnica de Catalunya, 2013-01-18)
      Examen
      Accés restringit a la comunitat UPC
    • 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
      Accés obert
      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 ...
    • Extended resource management using client classification and economic enhancements 

      Püschel, Tim; Borissov, Nikolay; Neumann, Dirk; Macías Lloret, Mario; Guitart Fernández, Jordi; Torres Viñals, Jordi (IOS Press, 2007-10)
      Capítol de llibre
      Accés obert
      Commercialization of Grid resources will become more and more important as utility computing and the deployment of Grids gains momentum. This results in the necessity to not only base Grid components on technical aspects, ...
    • Extended resource management using client classification and economic enhancements 

      Püschel, Tim; Borissov, Nikolay; Neumann, Dirk; Macías Lloret, Mario; Guitart Fernández, Jordi; Torres Viñals, Jordi (Birkhäuser Verlag, 2010)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Commercialization of computing resources will become more and more important as the transition from Grid computing in academic environments to commercial services based on concepts such as utility or Cloud computing ...
    • Éranse una vez las computadoras 

      Macías Lloret, Mario (Lulu.com, 2010-10-14)
      Llibre
      Accés restringit per decisió de l'autor
    • Influence of reputation in revenue of grid service providers 

      Macías Lloret, Mario; Guitart Fernández, Jordi (2008-11-21)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The trustworthiness of commodity providers is a key issue to motivate customers to participate in a market. Several Grid Market frameworks are being developed and they are not an exception in the need of demonstrate their ...
    • Maximising revenue in cloud computing markets by means of economically enhanced SLA management 

      Macías Lloret, Mario; Guitart Fernández, Jordi (2010-09-01)
      Report de recerca
      Accés obert
      This paper proposes a bidirectional communication between market brokers and resource managers in Cloud Computing Markets. This communication is implemented by means of an Economically Enhanced Resource Manager (EERM), ...
    • Maximizing revenue in Grid markets using an economically enhanced resource manager 

      Macías Lloret, Mario; Rana, Omer; Smith, Garry; Guitart Fernández, Jordi; Torres Viñals, Jordi (2008-09-01)
      Article
      Accés restringit per política de l'editorial
      Traditional resource management has had as its main objective the optimization of throughput, based on parameters such as CPU, memory, and network bandwidth. With the appearance of Grid markets, new variables that determine ...