Isabel Campos

Centro de Supercomputación de Galicia, Santiago, Galicia, Spain

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Publications (45)

  • Source
    D. Salomoni · I. Campos · L. Gaido · [...] · R. Rocha
    [Show abstract] [Hide abstract] ABSTRACT: In this paper we describe the architecture of a Platform as a Service (PaaS) oriented to computing and data analysis. In order to clarify the choices we made, we explain the features using practical examples, applied to several known usage patterns in the area of HEP computing. The proposed architecture is devised to provide researchers with a unified view of distributed computing infrastructures, focusing in facilitating seamless access. In this respect the Platform is able to profit from the most recent developments for computing and processing large amounts of data, and to exploit current storage and preservation technologies, with the appropriate mechanisms to ensure security and privacy.
    Full-text available · Article · Mar 2016
  • [Show abstract] [Hide abstract] ABSTRACT: The European Grid Initiative (EGI) provides a sustainable pan-European Grid computing infrastructure for e-Science based on a network of regional and national Grids. The middleware driving this production infrastructure is constantly adapted to the changing needs of the EGI Community by deploying new features and phasing out other features and components that are no longer needed. Unlike previous e-Infrastructure projects, EGI does not develop its own middleware solution, but instead sources the required components from Technology Providers and integrates them in the {\it Unified Middleware Distribution} (UMD). In order to guarantee a high quality and reliable operation of the infrastructure, all UMD software must undergo through a release process that covers the definition of the functional, performance and quality requirements, the verification of those requirements and testing in production environments.
    Article · Jul 2012 · Computing and Informatics
  • [Show abstract] [Hide abstract] ABSTRACT: In this article we present the strategies foreseen to foster the usage of the Iberian production infrastructure by regional scientific communities. The main focus is on describing the user support mechanisms implemented through a cooperative effort from the Portuguese and Spanish user support teams, and on the services and tools offered to the regional user communities for their use and customization, to foster VO production user activity within the Iberian region.
    Article · Jun 2012 · Computing and Informatics
  • E Fernandez · A Lopez · I Campos · [...] · C Alfonso
    Conference Paper · Jan 2012
  • Source
    Marcus Hardt · Thomas Jejkal · Isabel Campos · [...] · Marcin Płociennik
    [Show abstract] [Hide abstract] ABSTRACT: This paper describes the architecture for transparently using several dierent Cloud Resources from with the graphical Kepler Worklfow environment. This architecture was proven to work by implementing and using it in practice within the FP7 project EUFORIA. The clouds supported are the Open Source cloud environment OpenNEbula (ONE) and the commercial Amazon Elastic Compute Cloud (EC2). Subsequently, these clouds are compared regarding their cost-eectiveness, which covers a performance examination but also the comparison of the commercial against a scientic cloud provider.
    Full-text available · Article · Jan 2012 · Computing and Informatics
  • Source
    J. Marco · I. Campos · I. Coterillo · [...] · S. Stork
    [Show abstract] [Hide abstract] ABSTRACT: The Interactive European Grid (i2g) project has set up an advanced e-Infrastructure in the European Research Area specifically oriented to support the friendly execution of demanding interactive applications. While interoperable with existing large e-Infrastructures like EGEE, i2g software supports execution of parallel applications in interactive mode including powerful visualization and application steering. This article describes the strategy followed, the key technical achievements, examples of applications that benefit from this infrastructure and the sustainable model proposed for the future.
    Full-text available · Article · Jan 2012 · Computing and Informatics
  • Isabel Campos
    Article · Jan 2012 · Computing and Informatics
  • Source
    [Show abstract] [Hide abstract] ABSTRACT: Grid infrastructures provide large computing resources for grand challenge applications. The Interactive European Grid project developed mechanisms for the interactive and MPI-parallel usage of these resources. This chapter presents in detail an interactive approach that allows API style communication with grid resources and execution of parallel applications using MPI. The RPC API of GridSolve and the middleware gLite are integrated by the software Giggle for resource allocation. Furthermore, we describe the adaption of Giggle and GridSolve to allow the remote execution of MPI applications on RPC basis. Performance measurements are carried out to benchmark the solution. We can show an overhead of only few seconds in contrast to a job submitted via gLite, which can take minutes. We find that our approach is mainly limited by the data transfer rates to the different computing sites. Remote Instrumentation for eScience and Related Aspects Remote Instrumentation for eScience and Related Aspects Look Inside Share Share this content on Facebook Share this content on Twitter Share this content on LinkedIn Within this Chapter Introduction State of the Art Integration of GridSolve and gLite with MPI Support Results Conclusion References References Other actions Export citations About this Book Reprints and Permissions
    Full-text available · Chapter · Jan 2012
  • Source
    [Show abstract] [Hide abstract] ABSTRACT: In this work we describe our developments towards the provision of a unified access method to different types of computing infrastructures at the interoperation level. For that, we have developed a middleware suite which bridges not interoperable middleware stacks used for building distributed computing infrastructures, UNICORE and gLite. Our solution allows to transparently access and operate on HPC and HTC resources from a single interface. Using Kepler as workflow manager, we provide users with the needed integration of codes to create scientific workflows accessing both types of infrastructures.
    Full-text available · Article · Apr 2011 · Computer Physics Communications
  • Isabel Campos · Enol Fernández · Alvaro Lopez Garcia · [...] · Alvaro Simon
    Conference Paper · Jan 2011
  • Alvaro López · Enol Fernández-del-Castillo · Isabel Campos · [...] · others
    Article · Jan 2011
  • [Show abstract] [Hide abstract] ABSTRACT: Facing computing and data intensive problems scientists are forced to use all the available resources to solve their problems. This applies to the usage of different distributed e-Infrastructures based on different concepts and architectures. Providing the end user with easy access to such complex systems is a very challenging task and refers to the issues related to the interoperability and interoperation between different middleware solutions. One of the key goals of the EU-funded EUFORIA (EU for ITER Applications) project is to provide an integrated environment for fusion modelling on the grid/HPC infrastructure. This paper presents architecture that simplifies the connection between the workflow engine (end user experience) and various middleware stacks (middleware layer). The core of the system - workflow orchestration system (Kepler engine) has been extended in order to incorporate, in a transparent manner, the grid and HPC. The Presented solution has empowered computing capabilities with fusion applications by providing efficient and easy access to the distributed infrastructures. The current status and technical capabilities of this integrated framework for fusion modelling (developed in terms of the EUFORIA project) are presented and discussed in this paper as well. The different components of this architecture are being described with special emphasis on a cross-platform interoperability, user-friendliness, incorporated and intuitive access to the distributed environment as well as unified data access. TheTechnical details are presented on an example of the usage scenarios validating the usefulness of the proposed solution.
    Article · Feb 2010
  • Article · Jan 2010
  • Chapter · Jan 2010
  • Source
    M. T. Ceballos · I. Campos · P. Orviz · [...] · J. R. Rodón
    [Show abstract] [Hide abstract] ABSTRACT: The processing of data obtained by the XMM–Newton observatory of the European Space Agency (ESA) is done using the SAS (Software Analysis System) tools provided by the ESA XMM Science Operations Centre (SOC). In order to be operative, these tools must be downloaded from the official SOC web pages and then installed (eventually upgraded) and run locally in the computer used by the data analyser. This process can be in some cases cumbersome for some users and local resources. In this presentation, we summarise the initiative developed from the SOC at the European Space Astronomy Centre (ESAC) in collaboration with the Instituto de Física de Cantabria (IFCA CSIC-UC), to run these tools in a GRID environment, and thus taking advantage of the resources distribution and the possibility of remote use of the analysis tools.
    Full-text available · Article · Jan 2010
  • Chapter:
    Chapter · Jan 2010
  • Article · Jan 2010
  • Gonçalo Borges · Isabel Campos · Mario David · [...] · Alvaro Simon
    [Show abstract] [Hide abstract] ABSTRACT: The European Grid Initiative (EGI) will provide a sustainable pan-European Grid computing infrastructure for e-Science based on a net- work of regional and national Grids. Although EGI will emerge from the structure established by the pro ject Enabling Grids for E-SciencE (EGEE), the organizational and operational aspects will be deeply changed. The transition to the new model will also impact on the middleware devel- opment and deployment aspects. Under the new model, Ibergrid is now coordinating the middleware deployment processes in EGI. This paper de- scribes the EGI middleware strategy and the middleware rollout work?ow being planned by Ibergrid for the whole European infrastructure.
    Conference Paper · Jan 2010
  • Source
    [Show abstract] [Hide abstract] ABSTRACT: This work deals with the problems solved in fusion research by means of grid computing. The computing necessities for fusion are discussed and the applications that have been ported to grid as well as their main physical results are described. The range of plasma physics research covered by this set of tools is analysed and the future of grid computing for fusion research is discussed. The possibility of establishing complex workflows between grid and high performance computers (HPC) applications has been also explored.
    Full-text available · Book · Jan 2009
  • Isabel Campos · Alvaro Lopez Garcia · Pablo Orviz Fernandez · [...] · Javier López
    Conference Paper · Jan 2009

Publication Stats

261 Citations


  • 2012
    • Centro de Supercomputación de Galicia
      Santiago, Galicia, Spain
    • Karlsruhe Institute of Technology
      Carlsruhe, Baden-Württemberg, Germany
  • 2011
    • Spanish National Research Council
      Madrid, Madrid, Spain
  • 2005-2007
    • Institute for Biocomputation and Physics of Complex Systems
      Caesaraugusta, Aragon, Spain
  • 1992-1995
    • University of Zaragoza
      • Departamento de Física Teórica
      Zaragoza, Aragon, Spain