Now showing items 21-40 of 57

    • Coscheduling and Multiprogramming Level in a Non-dedicated Cluster 

      Hanzich, Mauricio; Giné, Francesc; Hernandez, Porfidio; Solsona Tehàs, Francesc; Luque, Emilio (Springer Verlag, 2004)
      Our interest is oriented towards keeping both local and parallel jobs together in a time-sharing non-dedicated cluster. In such systems, dynamic coscheduling techniques, without memory restriction, that consider the ...
    • A Space and Time Sharing Scheduling Approach for PVM Non-dedicated Clusters 

      Hanzich, Mauricio; Giné, Francesc; Hernández Budé, Porfidio; Solsona Tehàs, Francesc; Luque, Emilio (Springer Verlag, 2005)
      Wasted resources are a common reality in open laboratories in any University today [2]. Our aim is to take advantage of those resources to do parallel computation without disturbing the local tasks excessively. In order ...
    • Dynamic Distributed Collaborative Merging Policy to Optimize the Multicasting Delivery Scheme 

      Yang, X. Y.; Hernández Budé, Porfidio; Cores Prado, Fernando; Ripoll, A.; Suppi, Remo; Luque, Emilio (Springer Verlag, 2005)
      The advance of Internet 2 and the proliferation of switches and routers with level three functionalities made the multicast one of the most feasible video streaming delivering techniques for the near future. Assuming ...
    • CISNE: A New Integral Approach for Scheduling Parallel Applications on Non-dedicated Clusters 

      Hanzich, Mauricio; Giné, Francesc; Hernández Budé, Porfidio; Solsona Tehàs, Francesc; Luque, Emilio (Springer Verlag, 2005)
      Our main interest is oriented towards keeping both local and parallel jobs together in a non-dedicated cluster. In order to obtain some profits from the parallel applications, it is important to consider time and space ...
    • Using On-the-Fly Simulation for Estimating the Turnaround Time on Non-dedicated Clusters 

      Hanzich, Mauricio; Lérida Monsó, Josep Lluís; Torchinsky, Matias; Giné, Francesc; Hernández Budé, Porfidio; Luque, Emilio (Springer Verlag, 2006)
      The computation capacity of the workstations of an open laboratory in almost every university is enough to execute not only the local workload but some distributed computation. Unfortunately, the local workload introduces ...
    • MetaLoRaS: A Predictable MetaScheduler for Non-dedicated Multiclusters 

      Lérida Monsó, Josep Lluís; Solsona Tehàs, Francesc; Giné, Francesc; Hanzich, Mauricio; Hernández, P.; Luque, Emilio (Springer Verlag, 2006)
      The main aim of this work is to take advantage of the computer resources of a single organization or Multicluster system to execute distributed applications efficiently without excessively damaging the local users. In ...
    • Exploiting Throughput for Pipeline Execution in Streaming Image Processing Applications 

      Guirado Fernández, Fernando; Ripoll, A.; Roig Mateu, Concepció; Hernàndez, A.; Luque, Emilio (Springer Verlag, 2006)
      There is a large range of image processing applications that act on an input sequence of image frames that are continuously received. Throughput is a key performance measure to be optimized when executing them. In this ...
    • Providing VCR in a Distributed Client Collaborative Multicast Video Delivery Scheme 

      Yang, X. Y.; Hernández, P.; Cores Prado, Fernando; Ripoll, A.; Suppi, Remo; Luque, Emilio (Springer Verlag, 2006)
      In order to design a high scalable video delivery technology for VoD systems, two representative solutions have been developed: multicast and P2P. Each of them has limitations when it has to implement VCR interactions ...
    • DynaPeer: A Dynamic Peer-to-Peer Based Delivery Scheme for VoD Systems 

      Souza, Leandro; Cores Prado, Fernando; Yang, Xiaoyuan; Ripoll, A. (Springer Verlag, 2007)
      Supporting Video-on-Demand (VoD) services in Internet is still a challenging issue due to high bandwidth requirement of multimedia contents and additional constraints imposed by such environment: higher delays and jitter, ...
    • A New Task Graph Model for Mapping Message Passing Applications 

      Roig Mateu, Concepció; Ripoll, A.; Guirado Fernández, Fernando (Institute of Electrical and Electronics Engineers, 2007)
      The exploitation of parallelism in a message passing platform implies a previous modeling phase of the parallel application as a task graph, which properly reflects its temporal behavior. In this paper, we analyze the ...
    • MetaLoRaS: A Re-scheduling and Prediction MetaScheduler for Non-dedicated Multiclusters 

      Lérida Monsó, Josep Lluís; Solsona Tehàs, Francesc; Giné, Francesc; Hanzich, Mauricio; García, J. R.; Hernández Budé, Porfidio (Springer Verlag, 2007)
      Recently, Multicluster environments have become more important in the high-performance computing world. However, less attention has been paid to non-dedicated Multiclusters. We are developing MetaLoRaS, an efficient ...
    • Resource Matching in Non-dedicated Multicluster Environments 

      Lérida Monsó, Josep Lluís; Solsona Tehàs, Francesc; Giné, Francesc; Hernández Budé, Porfidio; García, J. R. (Springer Verlag, 2008)
      We are interested in making use of Multiclusters to execute parallel applications. The present work is developed within the M-CISNE project. MCISNE is a non-dedicated and heterogeneous Multicluster environment which includes ...
    • A Secure Elliptic Curve-Based RFID Protocol 

      Martínez Rodríguez, Santi; Valls Marsal, Magda; Roig Mateu, Concepció; Miret, Josep M. (Josep Maria); Giné, Francesc (Springer Verlag, 2009)
      Nowadays, the use of Radio Frequency Identification (RFID) systems in industry and stores has increased. Nevertheless, some of these systems present privacy problems that may discourage potential users. Hence, high ...
    • Designing an effective P2P system for a VoD system to exploit the multicast communication 

      Yang, X. Y.; Cores Prado, Fernando; Hernández Budé, Porfidio; Ripoll, A.; Luque, Emilio (Elsevier, 2010)
      A distributed video-on-demand system (DVoD) with multiple server-nodes is a cost-effective and faulttolerant solution for a high scalable enterprise video-on-demand (VoD) system. However, such a serveroriented design is ...
    • Exploiting parallelism on progressive alignment methods 

      Orobitg Cortada, Miquel; Guirado Fernández, Fernando; Notredame, Cedric; Cores Prado, Fernando (Springer Verlag, 2011)
      Multiple Sequence Alignment (MSA) constitutes an extremely powerful tool for important biological applications such as phylogenetic analysis, identification of conserved motifs and domains and structure prediction. In ...
    • Incentive mechanism for scheduling jobs in a peer-to-peer computing system 

      Rius Torrentó, Josep Maria; Estrada, Soraya; Cores Prado, Fernando; Solsona Tehàs, Francesc (Elsevier, 2012)
      Peer-to-Peer (P2P) computing, the harnessing of idle CPU cycles through the Internet, offers new research challenges in distributed computing. One of the most critical aspects in the design of P2P systems is the development ...
    • Cooperative scheduling mechanism for large-scale peer-to-peer computing systems 

      Rius Torrentó, Josep Maria; Cores Prado, Fernando; Solsona Tehàs, Francesc (Elsevier, 2013)
      Over recent years, peer-to-peer (P2P) systems have become an important part of Internet. Millions of users have been attracted to their structures and services. P2P computing is a distributed computing paradigm that uses ...
    • Enhancing throughput for streaming applications running on cluster systems 

      Guirado Fernández, Fernando; Roig Mateu, Concepció; Ripoll, A. (Elsevier, 2013)
      The exploitation of throughput in a parallel application that processes an input data stream is a difficult challenge. For typical coarse-grain applications, where the computation time of tasks is greater than their ...
    • Fully distributed authentication with locality exploitation for the CoDiP2P peer-to-peer computing platform 

      Cores Prado, Fernando; Guirado Fernández, Fernando; Naranjo, J. A. M.; Casado, L. G. (Springer Verlag, 2013)
      CodiP2P is a distributed platform for computation based on the peer-topeer paradigm. This article presents a novel distributed authentication method that suits the platform and adapts to its characteristics. The developed ...
    • S-PC: An e-treatment application for management of smoke-quitting patients 

      Vilaplana Mayoral, Jordi; Solsona Tehàs, Francesc; Abella i Pons, Francesc; Cuadrado, Josep; Alves, Rui; Mateo Fornés, Jordi (Elsevier, 2014)
      The main objective ofthis paper is to present a new program thatfacilitates the management of people who want to quit smoking, implemented through an e-treatment software called S-PC (Smoker Patient Control). S-PC is a ...