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Campana, S; Barreiro Megino, F; Jezequel, S; Negri, G; Serfon, C; Ueda, I
Journal of physics. Conference series, 01/2012, Letnik: 396, Številka: 3Journal Article
The ATLAS computing infrastructure was designed many years ago based on the assumption of rather limited network connectivity between computing centres. ATLAS sites have been organized in a hierarchical model, where only a static subset of all possible network links can be exploited and a static subset of well connected sites (CERN and the Tier-1s) can cover important functional roles such as hosting master copies of the data.
