Analysis of internal network requirements for the distributed Nordic Tier-1

Publication: Research - peer-reviewConference article – Annual report year: 2011

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The Tier-1 facility operated by the Nordic DataGrid Facility (NDGF) differs significantly from other Tier-1s in several aspects: It is not located at one or a few locations but instead distributed throughout the Nordic, it is not under the governance of a single organisation but but is instead build from resources under the control of a number of different national organisations. Being physically distributed makes the design and implementation of the networking infrastructure a challenge. NDGF has its own internal OPN connecting the sites participating in the distributed Tier-1. To assess the suitability of the network design and the capacity of the links, we present a model of the internal bandwidth needs for the NDGF Tier-1 and its associated Tier-2 sites. The model takes the different type of workloads into account and can handle different kinds of data management strategies. It has already been used to dimension the internal network structure of NDGF. We also compare the model with real life data measurements.
Original languageEnglish
Book seriesJournal of Physics: Conference Series
Publication date2010
Volume219
Issue5
Pages052001
ISSN1742-6596
DOIs
StatePublished

Conference

Conference17th International Conference on Computing in High Energy and Nuclear Physics : CHEP09
CityPrague
Period01/01/11 → …
CitationsWeb of Science® Times Cited: 0

Keywords

  • Network design, Data grids, Nuclear physics, Real life data, Internal network, Networking infrastructure, High energy physics, Data management
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