Now showing items 1-20 of 22

    • 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 ...
    • 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 ...
    • Adjusting the Lengths of Time Slices when Scheduling PVM Jobs with High Memory Requirements 

      Giné, Francesc; Solsona Tehàs, Francesc; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2002)
      Our research is focussed on keeping both local and parallel jobs together in a non-dedicated cluster and scheduling them efficiently. In such systems, the overflow of the physical memory into the virtual memory usually ...
    • Adjusting Time Slices to Apply Coscheduling Techniques in a non-dedicated NOW 

      Giné, Francesc; Solsona Tehàs, Francesc; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2002)
      Our research is focussed on keeping both local and parallel jobs together in a time-sharing NOW and efficiently scheduling them by means of coscheduling mechanisms. In such systems, the proper length of the time slice ...
    • An SLA and power-saving scheduling consolidation strategy for shared and heterogeneous clouds 

      Vilaplana Mayoral, Jordi; Mateo Fornés, Jordi; Teixidó Torrelles, Ivan; Solsona Tehàs, Francesc; Giné, Francesc; Roig Mateu, Concepció (Springer Verlag, 2015)
      This paper presents a power-aware scheduling policy algorithm of Virtual Machines into nodes called Green Cloud (GreenC) for Heterogeneous cloud systems. GreenC takes into account optimal assignments according to physical ...
    • 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 ...
    • Cooperating Coscheduling in a Non-dedicated Cluster 

      Giné, Francesc; Solsona Tehàs, Francesc; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2003)
      Our research is focussed on keeping both local and parallel jobs together in a time-sharing NOW. In such systems, new scheduling approaches are needed to allocate the underloaded resources among parallel jobs. In this ...
    • 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 ...
    • Coscheduling under Memory Constraints in a NOW 

      Giné, Francesc; Solsona Tehàs, Francesc; Hernández Budé, Porfidio; Luque, Emilio (Springer Verlag, 2001)
      Networks of Workstations (NOW) have become important and cost-effective parallel platforms for scientific computations. In practice, a NOW system is heterogeneous and non-dedicated. These two unique factors make scheduling ...
    • Dealing with Memory Constraints in a Non-Dedicated Linux Cluster 

      Giné, Francesc; Solsona Tehàs, Francesc; Hernandez, Porfidio; Luque, Emilio (SAGE, 2003)
      Our research is focused on keeping both local and parallel jobs together in a non-dedicated cluster and scheduling them efficiently. In such a system, memory becomes a critical resource for both kinds of job. Thus, the ...
    • DisCoP: a P2P framework for managing and searching computing markets 

      Castellà Martínez, Damià; Solsona Tehàs, Francesc; Giné, Francesc (Springer Verlag, 2015)
      Peer-to-Peer (P2P) computing, the harnessing of idle CPU cycles through the Internet, offers new research challenges in the domain of distributed computing. This paper proposes an efficient, dynamic and scalable overlay ...
    • Implementing and Analysing an Effective Explicit Coscheduling Algorithm on a NOW 

      Solsona Tehàs, Francesc; Giné, Francesc; Molina, Fermín; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2001)
      Networks of workstations (NOWs) have become important and cost-effective parallel platforms for scientific computations. In practice, a NOW system is heterogeneous and non-dedicated. These two unique factors make ...
    • Implementing Explicit and Implicit Coscheduling in a PVM Environment 

      Solsona Tehàs, Francesc; Giné, Francesc; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2000)
      Our efforts are directed towards the understanding of the coscheduling mechanism in a NOW system when a parallel job is executed with local workloads, balancing parallel efficiency against the local interactive response. ...
    • MemTo: A Memory Monitoring Tool for a Linux Cluster 

      Giné, Francesc; Solsona Tehàs, Francesc; Navarro, Xavi; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2001)
      Studies dealing with tuning, performance debugging and diagnosis in cluster environments largely benefit from in-depth knowledge of memory system information. In this paper a tool (called MemTo) for monitoring the ...
    • 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 ...
    • 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 ...
    • Minimizing Paging Tradeoffs Applying Coscheduling Techniques in a Linux Cluster 

      Giné, Francesc; Solsona Tehàs, Francesc; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2003)
      Our research is focused on keeping both local and parallel jobs together in a non-dedicated cluster or NOW (Network of Workstations) and efficiently scheduling them by means of coscheduling mechanisms. The performance ...
    • Monito: A Communication Monitoring Tool for a PVM-Linux Environment 

      Solsona Tehàs, Francesc; Giné, Francesc; Lérida Monsó, Josep Lluís; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2000)
      In this paper a new tool for monitoring the different queues of messages in a PVM environment is presented. The main aim of implementing this facility is to provide a means of capturing the bottlenecks and overheads of ...
    • Multiprogramming Level of PVM Jobs in a Non-dedicated Linux NOW 

      Giné, Francesc; Solsona Tehàs, Francesc; Barrientos, Jesus; Hernandez, Porfidio; Hanzich, Mauricio; Luque, Emilio (Springer Verlag, 2003)
      Our research is focussed on keeping both local and PVM jobs together in a time-sharing Network Of Workstations (NOW) and efficiently scheduling them by means of dynamic coscheduling mechanisms. In this framework, we ...
    • Predictive Coscheduling Implementation in a non-dedicated Linux Cluster 

      Solsona Tehàs, Francesc; Giné, Francesc; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2001)
      Our research is focussed on keeping both local and parallel jobs together in a non-dedicated cluster or NOW (Network Of Workstations) and efficiently scheduling them by means of coscheduling mechanisms. A real implementation ...