A design methodology for fault-tolerance in a DICOM-compliant data storage grid

Jorge Documet; Zheng Zhou; Brent J. Liu; Nelson King; H. K. Huang

doi:10.1117/12.654022

16 March 2006 A design methodology for fault-tolerance in a DICOM-compliant data storage grid

Jorge Documet, Zheng Zhou, Brent J. Liu, Nelson King, H. K. Huang

Proceedings Volume 6145, Medical Imaging 2006: PACS and Imaging Informatics; 61450G (2006) https://doi.org/10.1117/12.654022
Event: Medical Imaging, 2006, San Diego, California, United States

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.

Citation Download Citation

Jorge Documet, Zheng Zhou, Brent J. Liu, Nelson King, and H. K. Huang "A design methodology for fault-tolerance in a DICOM-compliant data storage grid", Proc. SPIE 6145, Medical Imaging 2006: PACS and Imaging Informatics, 61450G (16 March 2006); https://doi.org/10.1117/12.654022

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KEYWORDS

Picture Archiving and Communication System

Data storage

Data modeling

Databases

Process modeling

Standards development

Fourier transforms

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