Ara es mostren els items 1-20 de 73

    • A hybrid web server architecture for secure e-business web applications 

      Beltran Querol, Vicenç; Carrera Pérez, David; Guitart Fernández, Jordi; Torres Viñals, Jordi; Ayguadé Parra, Eduard (2005-09)
      Article
      Accés restringit per política de l'editorial
      Nowadays the success of many e-commerce applications, such as on-line banking, depends on their reliability, robustness and security. Designing a web server architecture that keeps these properties under high loads is a ...
    • 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 ...
    • A Survey on Performance Management for Internet Applications 

      Guitart Fernández, Jordi; Torres Viñals, Jordi; Ayguadé Parra, Eduard (2010-01-01)
      Article
      Accés restringit per política de l'editorial
      Internet applications have become indispensable for many business and personal processes, turning the performance of these applications into a key issue. For this reason, recent research has comprehensively explored ...
    • Addressing the use of cloud computing for web hosting providers 

      Fitó, Josep Oriol; Guitart Fernández, Jordi (2009-09)
      Text en actes de congrés
      Accés obert
      Nobody doubts about cloud computing is and will be a sea change for the Information Tech nology. Specifically, we address an application of this emerging paradigm into the web hosting providers. We create the Cloud Hosting ...
    • An architecture for automatic ML/AI workflow management and supervision 

      Liu, Peini; Guitart Fernández, Jordi (Barcelona Supercomputing Center, 2021-05)
      Text en actes de congrés
      Accés obert
      Scientific computation problems have been faced with the need to analyze increasing amounts of data as part of their application workflows, and the science-based model is being combined with big data and machine learning ...
    • An instrumentation tool for threaded Java application servers 

      Carrera Pérez, David; Guitart Fernández, Jordi; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Universitat de Lleida, 2002)
      Text en actes de congrés
      Accés obert
      Rapid development of e-business services has extended the use of application servers on companies. The Java platform has an important presence on this sector because of its portability and development facilities. Java ...
    • 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 ...
    • Assessing and forecasting energy efficiency on cloud computing platforms 

      Subirats, Josep; Guitart Fernández, Jordi (Elsevier, 2015-04)
      Article
      Accés restringit per política de l'editorial
    • Big data deployment in containerized infrastructures through the interconnection of network namespaces 

      Sauvanaud, Carla; Dholakia, Ajay; Guitart Fernández, Jordi; Kim, Chulho; Mayes, Peter (2020-01-27)
      Article
      Accés obert
      Big Data applications tackle the challenge of fast handling of large streams of data. Their performance is not only dependent on the data frameworks implementation and the underlying hardware but also on the deployment ...
    • BSC contributions in energy-aware resource management for large scale distributed systems 

      Valero Cortés, Mateo; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Carrera Pérez, David; Guitart Fernández, Jordi; Beltran Querol, Vicenç; Becerra Fontal, Yolanda; Badia Sala, Rosa Maria; Labarta Mancho, Jesús José (2010)
      Text en actes de congrés
      Accés obert
      This paper introduces the work being carried out at Barcelona Supercomputing Center in the area of Green Computing. We have been working in resource management for a long time and recently we included the energy parameter ...
    • Characterizing cloud federation for enhancing providers' profit 

      Goiri Presa, Íñigo; Guitart Fernández, Jordi; Torres Viñals, Jordi (IEEE Computer Society Publications, 2010)
      Text en actes de congrés
      Accés obert
      Cloud federation has been proposed as a new paradigm that allows providers to avoid the limitation of owning only a restricted amount of resources, which forces them to reject new customers when they have not enough local ...
    • Checkpoint-based Fault-tolerant Infrastructure for Virtualized Service Providers 

      Goiri Presa, Íñigo; Julià, Ferran; Guitart Fernández, Jordi; Torres Viñals, Jordi (IEEE Computer Society Publications, 2010-04-23)
      Text en actes de congrés
      Accés obert
      Crash and omission failures are common in service providers: a disk can break down or a link can fail anytime. In addition, the probability of a node failure increases with the number of nodes. Apart from reducing the ...
    • 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 ...
    • Complete instrumentation requirements for performance analysis of web based technologies 

      Carrera Pérez, David; Guitart Fernández, Jordi; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2003)
      Text en actes de congrés
      Accés obert
      In this paper we present the eDragon environment, a research platform created to perform complete performance analysis of new Web-based technologies. eDragon enables the understanding of how application servers work in ...
    • DasaLAB - Appendix I: How to install a Linux distribution on a USB hard drive 

      Guitart Fernández, Jordi; Costa Prats, Juan José (Universitat Politècnica de Catalunya, 2023-07-06)
      Altres
      Accés obert
    • DasaLAB - Appendix II: How to create and configure virtual machines and containers. 

      Guitart Fernández, Jordi; Costa Prats, Juan José (Universitat Politècnica de Catalunya, 2023-07-06)
      Altres
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    • DasaLAB - Appendix III How to deploy a distributed containerized application (DockerCoins) through a VPN in a manually-managed distributed cluster with multiple nodes1 

      Guitart Fernández, Jordi; Costa Prats, Juan José (Universitat Politècnica de Catalunya, 2023-07-06)
      Altres
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