Now showing items 1-12 of 12

    • 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)
      Conference lecture
      Open Access
      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, ...
    • Building green cloud services at low cost 

      Berral García, Josep Lluís; Goiri, Iñigo; Nguyen, Thu D.; Gavaldà Mestre, Ricard; Torres Viñals, Jordi; Bianchini, Ricardo (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference lecture
      Open Access
      Interest in powering datacenters at least partially using on-site renewable sources, e.g. solar or wind, has been growing. In fact, researchers have studied distributed services comprising networks of such “green” datacenters, ...
    • Estudi d'optimització energètica del centre de dades Mare Nostrum 

      Gonzalez Sanchez, Debora (Universitat Politècnica de Catalunya, 2018-01-18)
      Bachelor thesis
      Open Access
      En el present document es plantegen diverses alternatives amb l’objectiu de millorar la eficiència energètica dels centres de dades. Aquests tipus d’edificis contribueixen significativament al consum global del planeta, ...
    • Evaluation of an IP Fabric network architecture for CERN's data center 

      Garcia Cabot, Carles (Universitat Politècnica de Catalunya, 2018-04-25)
      Bachelor thesis
      Open Access
      Covenantee:   European Organization for Nuclear Research
      El centre de dades del CERN necessita una nova arquitectura de xarxa per incrementar la redundància i per proveir mobilitat de màquines virtuals i aïllament de trànsit. L'arquitectura IP Fabric amb EVPN és evaluada com una ...
    • Mejora de la eficiencia energética en centros de proceso de datos 

      Perendreu Guerrero, Jordi (Universitat Politècnica de Catalunya, 2012-01-17)
      Master thesis (pre-Bologna period)
      Open Access
      Proyecto sobre la eficiencia energética en Centros de Procesamiento de Datos, mediante el diseño de una arquitectura que permita adaptar la capacidad a la demanda, mediante el encendido y apagado de servidores de forma ...
    • Migración de un Centro de Datos 

      Gil Garcia, Pedro (Universitat Politècnica de Catalunya, 2015-06-16)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement
    • PaaS-IaaS inter-layer adaptation in an energy-aware cloud environment 

      Djemame, Karim; Bosch, Raimon; Kavanagh, Richard; Alvarez, Pol; Ejarque, Jorge; Guitart Fernández, Jordi; Blasi, Lorenzo (Institute of Electrical and Electronics Engineers (IEEE), 2017-06)
      Article
      Open Access
      Cloud computing providers resort to a variety of techniques to improve energy consumption at each level of the cloud computing stack. Most of these techniques consider resource-level energy optimization at IaaS layer. This ...
    • ParaDIME: Parallel distributed infrastructure for minimization of energy for data centers 

      Rethinagiri, Santhosh Kumar; Palomar Pérez, Óscar; Sobe, Anita; Yalcin, Gulay; Knauth, Thomas; Titos Gil, Rubén; Prieto, Pablo; Schneegaß, Malte; Cristal Kestelman, Adrián; Unsal, Osman Sabri; Felber, Pascal; Fetzer, Christof; Milojevic, Dragomir (2015-11-01)
      Article
      Open Access
      Dramatic environmental and economic impact of the ever increasing power and energy consumption of modern computing devices in data centers is now a critical challenge. On the one hand, designers use technology scaling as ...
    • Per-task energy accounting in computing systems 

      Liu, Qixiao; Jiménez, Víctor; Moreto Planas, Miquel; Abella Ferrer, Jaume; Cazorla, Francisco; Valero Cortés, Mateo (2013)
      External research report
      Open Access
      We present for the first time the concept of per-task energy accounting (PTEA) and relate it to per-task energy metering (PTEM). We show the benefits of supporting both in future computing systems. Using the shared last-level ...
    • Protected elastic-tree topologies for data centers 

      Ouro Paz, Elena (Universitat Politècnica de Catalunya, 2016-05)
      Bachelor thesis
      Open Access
      Covenantee:   Trường đại học bách khoa Hà Nội
      Traditional data centers represent a significant portion of the yearly power consumption all around the world, many solutions have been submitted to solve this issue such as the elastic-tree topology, a dynamic network ...
    • SEDEA: A sensible approach to account DRAM energy in multicore systems 

      Liu, Qixiao; Moreto Planas, Miquel; Abella Ferrer, Jaume; Cazorla, Francisco; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      As the energy cost in todays computing systems keeps increasing, measuring the energy becomes crucial in many scenarios. For instance, due to the fact that the operational cost of datacenters largely depends on the energy ...
    • Toward sustainable data centers: a comprehensive energy management strategy 

      Guitart Fernández, Jordi (2016-06-28)
      Article
      Open Access
      Data centers are major contributors to the emission of carbon dioxide to the atmosphere, and this contribution is expected to increase in the following years. This has encouraged the development of techniques to reduce the ...