Now showing items 1-20 of 29

  • ABNO-driven content distribution in the telecom cloud 

    Gifre Renom, Lluís; Tornatore, Massimo; Contreras Murillo, Luis Miguel; Mukherjee, Biswanath; Velasco Esteban, Luis Domingo (2017-11-01)
    Article
    Open Access
    As current traffic growth is expected to strain capacity of today¿s metro network, novel content distribution architectures where contents are placed closer to the users are being investigated. In that regard, telecom ...
  • Adaptive MapReduce scheduling in shared environments 

    Polo, Jordà; Becerra Fontal, Yolanda; Carrera Pérez, David; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Steinder, Malgorzata (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    In this paper we present a MapReduce task scheduler for shared environments in which MapReduce is executed along with other resource-consuming workloads, such as transactional applications. All workloads may potentially ...
  • Batch job profiling and adaptive profile enforcement for virtualized environments 

    Becerra Fontal, Yolanda; Carrera Pérez, David; Ayguadé Parra, Eduard (IEEE Computer Society, 2009)
    Conference lecture
    Open Access
    Data center management is driven by high-level performance goals, and it is the responsibility of a management middleware to ensure that those goals are met using dynamic resource allocation. The performance delivered by ...
  • Benefits of programmable topological routing policies in RINA-enabled large-scale datacenters 

    Leon Gaixas, Sergio; Perelló Muntan, Jordi; Grasa, Eduard; Lopez, Diego; Aranda Gutiérrez, Pedro Andrés; Careglio, Davide (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    With the proliferation of cloud computing and the expected requirements of future Internet of Things (IoT) and 5G network scenarios, more efficient and scalable Data Centers (DCs) will be required, offering very large pools ...
  • Carrier SDN to control flexgrid-based inter-datacenter connectivity 

    Asensio Carmona, Adrian; Velasco Esteban, Luis Domingo; Ruiz Ramírez, Marc; Junyent Giralt, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    Datacenter federations are able to manage appropriately the green energy resources available in each datacenter (DC) thanks to their geographically distributed infrastructure, thus reducing energy expenditure. Scheduling ...
  • Datacenter computers: modern challenges in CPU design 

    Sites, Richard L. (Barcelona Supercomputing Center, 2016-09-10)
    Conference report
    Open Access
    Computers used as datacenter servers have usage patterns that differ substantially from those of desktop or laptop computers. We discuss four key differences in usage and their first-order implications for designing computers ...
  • Energy and carbon emissions aware services allocation with delay for Data Centers 

    Guillén, Bernat; Hesselbach Serra, Xavier; Muñoz López, Francisco Javier; Klingert, Sonja (2013)
    Conference report
    Restricted access - publisher's policy
    This paper presents a new approach to service assignment in Data Centers (DC), relating it to a classical combinatory problem called Bin Packing Problem and adding the possibility of delay and collaboration with users ...
  • Energy efficiency dilemma: P2P-cloud vs. datacenter 

    Sharifi, Leila; Rameshan, Navaneeth; Freitag, Fèlix; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    Energy consumption is increasing in the IT sector and a remarkable part of this energy is consumed in data centers. Numerous techniques have been proposed to solve the energy efficiency issue in cloud systems. Recently, ...
  • Energy-efficient and multifaceted resource management for profit-driven virtualized data centers 

    Goiri Presa, Íñigo; Berral García, Josep Lluís; Fitó, Josep Oriol; Julià Massó, Ferran; Nou Castell, Ramon; Guitart Fernández, Jordi; Gavaldà Mestre, Ricard; Torres Viñals, Jordi (Elsevier, 2012-05)
    Article
    Restricted access - publisher's policy
    As long as virtualization has been introduced in data centers, it has been opening new chances for resource management. Nowadays, it is not just used as a tool for consolidating underused nodes and save power; it also ...
  • Energy efficient cloud service provisioning: Keeping data center granularity in perspective 

    Sharifi, Leila; Cerdà Alabern, Llorenç; Freitag, Fèlix; Veiga, Luis (2016-06)
    Article
    Open Access
    The cost of power and its associated delivery are becoming significant factors in the total expenditure of large-scale data centers. Numerous techniques have been proposed to address the energy efficiency issue in cloud ...
  • Estudi de la climatització d'un centre de processament de dades (CPD) 

    Bobouh Abakouy, Kamal (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Open Access
    En l’interior d’ un centre de processament de dades (CPD) es troben diferents equips informàtics i de comunicacions que, com tot aparell electrònic en funcionament, incrementen de temperatura per l’efecte Joule en les parts ...
  • Evaluating network-based DoS attacks under the energy consumption perspective: new security issues in the coming green ICT area 

    Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo (2011)
    Conference report
    Restricted access - publisher's policy
    In the green Information and Communication Society (ICS), new form of Denial of Service (DoS) attacks may be put in place: exploiting the computational and storage resources of datacenters with the aim of consuming as much ...
  • iONE: an environment for experimentally assessing in-operation network planning algorithms 

    Gifre Renom, Lluís; Navarro, Nacho; Asensio Garcia, Adrian; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    Huge amount of algorithmic research is being done in the field of optical networks, including Routing and Spectrum Allocation (RSA), elastic operations, spectrum defragmentation, and other re-optimization algorithms. ...
  • Manteniment remot de laboratoris d'informàtica 

    Prats Farré, Raimon (Universitat Politècnica de Catalunya, 2007-06)
    Master thesis (pre-Bologna period)
    Open Access
  • OFAR-CM: Efficient Dragonfly networks with simple congestion management 

    García, Marina; Vallejo, Enrique; Beivide Palacio, Ramon; Valero Cortés, Mateo; Rodríguez, Germán (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Open Access
    Dragonfly networks are appealing topologies for large-scale Data center and HPC networks, that provide high throughput with low diameter and moderate cost. However, they are prone to congestion under certain frequent traffic ...
  • On the benefits of resource disaggregation for virtual data centre provisioning in optical data centres 

    Pagès Cruz, Albert; Serrano, Ruben; Perelló Muntan, Jordi; Spadaro, Salvatore (2017-07-15)
    Article
    Restricted access - publisher's policy
    Virtual Data Centre (VDC) allocation requires the provisioning of both computing and network resources. Their joint provisioning allows for an optimal utilization of the physical Data Centre (DC) infrastructure resources. ...
  • On the collaborative governance of decentralized edge microclouds with blockchain-based distributed ledgers 

    Freitag, Fèlix
    Conference report
    Open Access
    Today's commercial model for edge computing services consists in lightweight devices at the network edge connected through the Internet to remote cloud data centers. Microclouds are an alternative vision of edge computing, ...
  • On the fitness of GPUs for autonomous-driving 

    Mazzocchetti, Fabio (Universitat Politècnica de Catalunya, 2019-04-23)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Optimization of thermal energy storage systems for data centres 

    Codina Gessé, Marta (Universitat Politècnica de Catalunya, 2016-06-22)
    Master thesis
    Restricted access - author's decision
    Data centres are facilities used to house computer systems and associated components which aim for performance. The increment of these facilities is translated into a huge increment on energy consumption representing a ...
  • Orchestrating connectivity services to support elastic operations in datacenter federations 

    Asensio Garcia, Adrian; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (2015-06)
    Article
    Open Access
    Datacenter federations are able to manage appropriately the green energy resources available in each datacenter (DC) thanks to their geographically distributed infrastructure, thus reducing energy expenditure. Scheduling ...