A Software Architecture for Automatic Deployment of CORBA Components Using Grid Technologies
Résumé
Les composants logiciels sont une solution bien adaptée pour construire des applications complexes de calcul scientifique destinées à être exécutées sur une grille de calcul. Cependant, le déploiement d'applications complexes à base de composants sur une grille est une tâche particulièrement ardue. Pour éviter d'avoir à faire face directement au grand nombre d'ordinateurs de la grille et à leur hétérogénéité, la phase de déploiement d'application doit être automatisée. Cet article décrit une architecture de déploiement automatique d'applications à base de composants sur grille de calcul. En partant du modèle de composants CORBA (CCM), ce papier détaille les étapes du déploiement de composants et les acteurs en présence : un intergiciel d'accès aux ressources de la grille (à l'instar de OGSI), un modèle de déploiement de composants, une description étendue de l'application et un planificateur de déploiement.
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Software components turn out to be a convenient model to build complex applications for scientific computing and to run them on a computational grid. However, deploying complex, component-based applications in a grid environment is particularly arduous. To prevent the user from directly dealing with a large number of execution hosts and their heterogeneity within a grid, the application deployment phase must be as automatic as possible. This paper describes an architecture for automatic deployment of component-based applications on computational grids. In the context of the CORBA Component Model (CCM), this paper details all the steps to achieve an automatic deployment of components as well as the entities involved: a grid access middleware and its grid information service (like OGSI), a component deployment model, as specified by CCM, an enriched application description and a deployment planner in order to select resources and map components onto computers.
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Software components turn out to be a convenient model to build complex applications for scientific computing and to run them on a computational grid. However, deploying complex, component-based applications in a grid environment is particularly arduous. To prevent the user from directly dealing with a large number of execution hosts and their heterogeneity within a grid, the application deployment phase must be as automatic as possible. This paper describes an architecture for automatic deployment of component-based applications on computational grids. In the context of the CORBA Component Model (CCM), this paper details all the steps to achieve an automatic deployment of components as well as the entities involved: a grid access middleware and its grid information service (like OGSI), a component deployment model, as specified by CCM, an enriched application description and a deployment planner in order to select resources and map components onto computers.
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