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Proceedings Paper

A design methodology for fault-tolerance in a DICOM-compliant data storage grid
Author(s): Jorge Documet; Zheng Zhou; Brent J. Liu; Nelson King; H. K. Huang
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Paper Abstract

With the increasing demand of PAC systems, more and more examinations are acquired by healthcare institutions which results in an enormous amount of image data and metadata information that needs to be archived and retrieved especially during disaster recovery. Last year we presented a Data Storage Grid (DSG) architecture based on the five-layer architecture design for Grid technology that provides 99.999% up time. The proposed solution was implemented as a three-site testbed and was developed using Globus 3.2 Toolkit. A grid architecture built on Globus middleware achieves reliability and availability through the distribution of hardware components and services. However, a DICOM-compliant DSG requires a Metadata Catalog to provide the DICOM header information available to DSG clients. For this reason, this paper describes the continued development of the DSG utilizing DICOM and IHE standards including the development of a fault-tolerant Metadata Catalog for a DICOM-compliant data grid environment.

Paper Details

Date Published: 16 March 2006
PDF: 10 pages
Proc. SPIE 6145, Medical Imaging 2006: PACS and Imaging Informatics, 61450G (16 March 2006); doi: 10.1117/12.654022
Show Author Affiliations
Jorge Documet, Univ. of Southern California (United States)
Zheng Zhou, Univ. of Southern California (United States)
Brent J. Liu, Univ. of Southern California (United States)
Nelson King, American Univ. of Beirut (Lebanon)
H. K. Huang, Univ. of Southern California (United States)


Published in SPIE Proceedings Vol. 6145:
Medical Imaging 2006: PACS and Imaging Informatics
Steven C. Horii; Osman M. Ratib, Editor(s)

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