NDAS prototype development

doi:10.1088/0264-9381/19/7/341

Network data analysis server (NDAS) prototype development

Szabolcs Márka et al 2002 Class. Quantum Grav. 19 1537-1540 doi: 10.1088/0264-9381/19/7/341

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Szabolcs Márka¹, Benoit Mours^2,3 and Roy Williams⁴
¹ LIGO Laboratory, California Institute of Technology, Pasadena, CA 91125, USA
² LAPP Chemin de Bellevue – BP 110 74941 Annecy-le-Vieux Cedex, France
³ LIGO Laboratory, California Institute of Technology, Pasadena, CA 91125, USA
⁴ CACR, California Institute of Technology, Pasadena, CA 91125, USA
E-mail: smarka@ligo.caltech.edu, mours@lapp.in2p3.fr and roy@cacr.caltech.edu

Abstract. We have developed a simple and robust system based on standard UNIX tools and frame library code to transfer and merge data from multiple gravitational wave detectors distributed worldwide. The transfer and merger take place with less than 20 minute delay and the output frames are available for all participants. Presently VIRGO and LIGO participate in the exchange and only environmental data are shared. The system is modular to allow future improvements and the use of new tools like Grid.

PACS number: 0480N

Print publication: Issue 7 (7 April 2002)
Received 4 October 2001, in final form 24 December 2001
Published 14 March 2002

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Network data analysis server (NDAS) prototype development

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