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Do regions matter in ALICE?:Social relationships and data exchanges in the Grid

Widmer, E. D. and Viry, G. and Carminati, F. and Galli-Carminati, G. (2012) Do regions matter in ALICE?:Social relationships and data exchanges in the Grid. European Physical Journal Plus, 127 (2). pp. 20-27.

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Abstract

This study aims at investigating the impact of regional affiliations of centres on the organisation of collaborations within the Distributed Computing ALICE infrastructure, based on social networks methods. A self-administered questionnaire was sent to all centre managers about support, email interactions and wished collaborations in the infrastructure. Several additional measures, stemming from technical observations were collected, such as bandwidth, data transfers and Internet Round Trip Time (RTT) were also included. Information for 50 centres were considered (about 70% response rate). Empirical analysis shows that despite the centralisation on CERN, the network is highly organised by regions. The results are discussed in the light of policy and efficiency issues.

Item Type: Article
Journal or Publication Title: European Physical Journal Plus
Subjects: H Social Sciences > HM Sociology
Departments: Faculty of Arts & Social Sciences > Sociology
ID Code: 51162
Deposited By: ep_importer_pure
Deposited On: 18 Nov 2011 11:34
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 22:50
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/51162

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