An Application-Level Network Mapper
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چکیده
This paper presents a tool to automatically discover the network topol-ogy. The goal is to evaluate the performance of concurrent transfers (for example to improve collective communications) and not to discover the physical machines interconnection scheme (for administration purposes). The problems encountered, preliminary algorithms to solve them, as well as theoretical proofs of their validity (under some conditions) are presented. Résumé Cet article présente un outil de découverte automatique de la topolo-gie du réseau. Son objectif est d'´ evaluer les performances de transferts concurrents (par exemple pour améliorer des communications collec-tives) et non de découvrir le schéma d'interconnexion physique des machines (ce qui pourrait servirà diagnostiquer desprobì emes de configuration réseau). Lesprobì emes rencontrés, des algorithmes préliminaires pour les résoudre, ainsi que la preuve de leur validité (sous certaines conditions) sont présentés.
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تاریخ انتشار 2003