Boursiers français vers le Brésil : bilan et perspectives

L’envoi d’étudiants et de jeunes chercheurs français vers le Brésil a connu des fortunes diverses, avant de se stabiliser. On peut distinguer deux phases bien distinctes. La première, jusqu’à la fin des années 1970, recouvre les échanges dits « traditionnels », c’est-à-dire ceux proposés par chaque pays (Itamaraty pour le Brésil, Ministère des Affaires étrangères pour la France) dans le cadre des protocoles bilatéraux d’échanges culturels et de coopération scientifique et technique. Le recrut..

Bolsistas franceses para o Brasil: balanço e perspectivas

O envio de estudantes e de jovens pesquisadores franceses para o Brasil passou por formas diversas antes de se estabilizar. Podem-se identificar duas fases bem distintas. A primeira, até o final de 1970, compreende os intercâmbios ditos «tradicionais», ou seja, propostos por cada país (Itamaraty pelo Brasil, Ministério dos Negócios Estrangeiros pela França) no âmbito dos protocolos bilaterais de intercâmbios culturais e de cooperação científica e técnica. A seleção dos candidatos franceses (4..

Réflexions sur les divers génies du peuple romain dans les divers temps de la République

AntepPort. con grab. xi

Enabling the P2P JXTA Platform for High-Performance Networking Grid Infrastructures

Abstract. As grid sizes increase, the need for self-organization and dynamic reconfigurations is becoming more and more important, and therefore the convergence of grid computing and Peer-to-Peer (P2P) computing seems natural. Grid infrastructures are generally available as a federation of SAN-based clusters interconnected by high-bandwidth WANs. However, P2P systems are usually running on the Internet, with a non hierarchical network topology, which may raise the issue of the adequacy of the P2P communication mechanisms on grid infrastructures. This paper evaluates the communication performance of the JXTA P2P platform over high-performance SANs and WANs, for both J2SE and C bindings. We analyze these results and we evaluate solutions able to improve the performance of JXTA on such networking grid infrastructures. Key words: high performance networking, grid computing, P2P, JXTA. 1 Using P2P techniques to build grids Nowadays, scientific applications require more and more resources, such as processors, storage devices, network links, etc. Grid computing provides an answer to this growin