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Browsing by Author "Alfonso Laguna, Carlos de"

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Browsing by Author "Alfonso Laguna, Carlos de"

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    A Self-managed Mesos Cluster for Data Analytics with QoS Guarantees 
    López-Huguet, Sergio; Pérez-González, Alfonso María; Calatrava Arroyo, Amanda; Alfonso Laguna, Carlos De; Caballer Fernández, Miguel; Moltó, Germán; Blanquer Espert, Ignacio (Elsevier, 2019)
    [EN] This article describes the development of an automated configuration of a software platform for Data Analytics that supports horizontal and vertical elasticity to guarantee meeting a specific deadline. It specifies ...
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    Accelerated serverless computing based on GPU virtualization 
    Naranjo-Delgado, Diana María; Risco, Sebastián; Alfonso Laguna, Carlos De; Pérez-González, Alfonso María; Blanquer Espert, Ignacio; Moltó, Germán (Elsevier, 2020-05)
    [EN] This paper introduces a platform to support serverless computing for scalable event-driven data processing that features a multi-level elasticity approach combined with virtualization of GPUs. The platform supports ...
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    Administrador de la plataforma LXC 
    Roig Martinez, Tomàs (Universitat Politècnica de València, 2017-09-04)
    [ES] Actualmente, la mayoría de compañías punteras lanzan sus productos en la nube. Este concepto de nube viene dado por una aglomeración de servicios que se pueden escalar, para ajustarse a la demanda de los usuarios. En ...
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    An economic and energy-aware analysis of the viability of outsourcing clustercomputing to a cloud 
    Alfonso Laguna, Carlos de; Caballer Fernández, Miguel; Alvarruiz Bermejo, Fernando; Moltó, Germán (Elsevier, 2013-03)
    This paper compares the total cost of ownership of a physical cluster with the cost of a virtual cloudbased cluster. For that purpose, cost models for both a physical cluster and a cluster on a cloud have been developed. ...
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    An energy management system for cluster infrastructures 
    Alfonso Laguna, Carlos de; Caballer Fernández, Miguel; Alvarruiz Bermejo, Fernando; Hernández García, Vicente (Elsevier, 2013-11)
    This paper presents a general energy management system for High Performance Computing (HPC) clusters and cloud infrastructures that powers off cluster nodes when they are not being used, and conversely powers them on when ...
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    Automatic memory-based vertical elasticity and oversubscription on cloud platforms 
    Moltó, Germán; Caballer Fernández, Miguel; Alfonso Laguna, Carlos de (Elsevier, 2016-03)
    Hypervisors and Operating Systems support vertical elasticity techniques such as memory ballooning to dynamically assign the memory of Virtual Machines (VMs). However, current Cloud Management Platforms (CMPs), such as ...
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    Cloud Computing PaaS Platform Cloud ComPaaS 
    García García, Andrés (Universitat Politècnica de València, 2011-12-20)
    En esta Tesis de Máster presentamos Cloud ComPaaS, una herramienta para la puesta en marcha de nubes PaaS privadas. A lo largo del documento repasamos la historia y estado del arte del Cloud Computing, definimos la ...
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    CodeCloud: A platform to enable execution of programming models on the Clouds 
    Caballer Fernández, Miguel; Alfonso Laguna, Carlos de; Moltó, Germán; Romero Alcalde, Eloy; Blanquer Espert, Ignacio; García García, Andrés (Elsevier, 2014-07)
    This paper presents a platform that supports the execution of scientific applications covering different programming models (such as Master/Slave, Parallel/MPI, MapReduce and Workflows) on Cloud infrastructures. The platform ...
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    Container-based Virtual Elastic Clusters 
    Alfonso Laguna, Carlos de; Calatrava Arroyo, Amanda; Moltó, Germán (Elsevier, 2017)
    [EN] eScience demands large-scale computing clusters to support the efficient execution of resource-intensive scientific applications. Virtual Machines (VMs) have introduced the ability to provide customizable execution ...
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    Dynamic management of virtual infrastructures 
    Caballer Fernández, Miguel; Blanquer Espert, Ignacio; Moltó, Germán; Alfonso Laguna, Carlos de (Springer Verlag (Germany), 2015)
    Cloud infrastructures are becoming an appropriate solution to address the computational needs of scientific applications. However, the use of public or on-premises Infrastructure as a Service (IaaS) clouds requires users ...
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    Easing the Deployment and Management of Cloud Federated Networks Across Virtualised Clusters 
    Andrade Castañeda, Ivan; Blanquer Espert, Ignacio; Alfonso Laguna, Carlos De (ScitePress, 2019-05-04)
    [EN] Cloud federation, in the last years, has grown rapidly in literature because to its multiple advantages to coordinate and re-use different services across multiple sites, different geographic locations or cloud ...
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    EC3: Elastic Cloud Computing Cluster 
    Caballer Fernández, Miguel; Alfonso Laguna, Carlos de; Alvarruiz Bermejo, Fernando; Moltó, Germán (Elsevier, 2013-12)
    This paper introduces Elastic Cloud Computing Cluster (EC3), a tool that creates elastic virtual clusters on top of Infrastructure as a Service (IaaS) Clouds. The clusters are self-managed entities that scale out to a ...
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    Efficient and elastic management of computing infrastructures 
    Alfonso Laguna, Carlos de (Universitat Politècnica de València, 2016-10-23)
    [EN] Modern data centers integrate a lot of computer and electronic devices. However, some reports state that the mean usage of a typical data center is around 50% of its peak capacity, and the mean usage of each server ...
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    Multi-elastic Datacenters: Auto-scaled Virtual Clusters on Energy-Aware Physical Infrastructures 
    Alfonso Laguna, Carlos De; Caballer Fernández, Miguel; Calatrava Arroyo, Amanda; Moltó, Germán; Blanquer Espert, Ignacio (Springer-Verlag, 2018)
    [EN] Computer clusters are widely used platforms to execute different computational workloads. Indeed, the advent of virtualization and Cloud computing has paved the way to deploy virtual elastic clusters on top of Cloud ...
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    Performance enhancement of a GIS-based facility location problem using desktop grid infrastructure 
    García García, Andrés; Perpiñá Castillo, Carolina; Alfonso Laguna, Carlos de; Hernández García, Vicente (Springer Verlag (Germany), 2013-12)
    This paper presents the integration of desktop grid infrastructure with GIS technologies, by proposing a parallel resolution method in a generic distributed environment. A case study focused on a discrete facility location ...
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    Study of the influence of the needle lift on the internal flow and cavitationphenomenon in diesel injector nozzles by CFD using RANS methods 
    Salvador, F. J.; Martínez López, Jorge; Caballer Fernández, Miguel; Alfonso Laguna, Carlos de (Elsevier, 2013-02)
    It is well known that cavitation phenomenon in diesel injector nozzles has a strong influence on the internal flow during the injection process and spray development. However, its influence on the flow during needle opening ...
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    Towards migratable elastic virtual clusters on hybrid clouds 
    Calatrava Arroyo, Amanda; Moltó, Germán; Romero Alcalde, Eloy; Caballer Fernández, Miguel; Alfonso Laguna, Carlos de (IEEE, 2015-06-27)
    This paper describes the research work in the context of the CLUVIEM project towards achieving migrat- able, self-managed virtual elastic clusters on hybrid Cloud infrastructures. These virtual clusters can span across on- ...
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    VMCA: Un sistema para la consolidación de recursos en plataformas de virtualización 
    Alfonso Laguna, Carlos de (Universitat Politècnica de València, 2014-05-12)
    [ES] En este trabajo se describe el diseño de un sistema para la replanificación de máquinas virtuales en las plataformas de virtualización, que permita dejar libres los nodos reales para que puedan ser apagados o puestos ...