Grid Computing: First European Across Grids Conference, - download pdf or read online

By Eduardo Huedo, Rubén S. Montero, Ignacio M. Llorente (auth.), Francisco Fernández Rivera, Marian Bubak, Andrés Gómez Tato, Ramón Doallo (eds.)

ISBN-10: 3540210482

ISBN-13: 9783540210481

ISBN-10: 3540246894

ISBN-13: 9783540246893

This e-book constitutes the completely refereed post-proceedings of the 1st eu throughout Grids convention held in Santiago de Compostela, Spain in February 2003.

The 39 revised complete papers awarded have been conscientiously chosen in the course of rounds of reviewing and development. The papers handle all present concerns in grid computing, specifically grid middleware architectures, instruments, source administration, activity scheduling, facts administration, grid-based far away e-learning, stream-oriented database administration, facts stripping, large-scale grid purposes, simulation, visualization, facts mining, grid functionality research, and grid monitoring.

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Extra info for Grid Computing: First European Across Grids Conference, Santiago de Compostela, Spain, February 13-14, 2004. Revised Papers

Sample text

1 21 Resource Searcher The main duty of the Resource Searcher is to perform the matchmaking between job needs and available resources. The RS receives a job description as input, and produces as output a list of possible resources in which to execute the job. Resources are grouped into sets. Each set is a combination of Computing Elements that provide the minimum amount of free resources, as specified by the JobAd. As we said before, JobAds are described using the Job Description Language (JDL) adopted in the EU-Datagrid project.

4% increment in the overall elapsed time. Figure 2 compares graphically the accumulated price and the overall elapsed time of the three schedules. Job Scheduling and Resource Management Techniques 31 Fig. 2. Comparison of the schedules with different optimization criteria. 4 Conclusions and Future Work This paper is focused on the problem of dynamic resource brokering in the presence of economic information. An extension of the MDS information service schema, in the context of the GridWay project has been proposed, in order to deal with this new kind of information.

E. the grid-mapfile), periodically updated, hardly scales in a production environment with a large number of users, each, potentially, with his groups, roles and capabilities, whereas in the test-bed the users situation is almost static, and user policy is very simple. e. shifting from pull to push model); on the other hand we suspect that LDAP protocol is not the best choice to sustain the burden of a potentially high number of complex queries. To address these issues, we have developed, on a completely new basis, the VOMS system.

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Grid Computing: First European Across Grids Conference, Santiago de Compostela, Spain, February 13-14, 2004. Revised Papers by Eduardo Huedo, Rubén S. Montero, Ignacio M. Llorente (auth.), Francisco Fernández Rivera, Marian Bubak, Andrés Gómez Tato, Ramón Doallo (eds.)


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