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Proceedings Paper

Management of ATM-based networks supporting multimedia medical information systems
Author(s): Robert A. Whitman; G. James Blaine; Kevin Fritz; Ken Goodgold; Patrick Heisinger
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Paper Abstract

Medical information systems are acquiring the ability to collect and deliver many different types of medical information. In support of the increased network demands necessitated by these expanded capabilities, asynchronous transfer mode (ATM) based networks are being deployed in medical care systems. While ATM supplies a much greater line rate than currently deployed networks, the management and standards surrounding ATM are yet to mature. This paper explores the management and control issues surrounding an ATM network supporting medical information systems, and examines how management impacts network performance and robustness. A multivendor ATM network at the BJC Health System/Washington University and the applications using the network are discussed. Performance information for specific applications is presented and analyzed. Network management's influence on application reliability is outlined. The information collected is used to show how ATM network standards and management tools influence network reliability and performance. Performance of current applications using the ATM network is discussed. Special attention is given to issues encountered in implementation of hypertext transfer protocol over ATM internet protocol (IP) communications. A classical IP ATM implementation yields greater than twenty percent higher network performance over LANE. Maximum performance for a host's suite of applications can be obtained by establishing multiple individually engineered IP links through its ATM network connection.

Paper Details

Date Published: 22 May 1997
PDF: 7 pages
Proc. SPIE 3035, Medical Imaging 1997: PACS Design and Evaluation: Engineering and Clinical Issues, (22 May 1997); doi: 10.1117/12.274559
Show Author Affiliations
Robert A. Whitman, Mallinckrodt Institute of Radiology/Washington Univ. School of Medicine (United States)
G. James Blaine, Mallinckrodt Institute of Radiology/Washington Univ. School of Medicine (United States)
Kevin Fritz, BJC Health System (United States)
Ken Goodgold, SBC Technology Resources, Inc. (United States)
Patrick Heisinger, BJC Health System (United States)


Published in SPIE Proceedings Vol. 3035:
Medical Imaging 1997: PACS Design and Evaluation: Engineering and Clinical Issues
Steven C. Horii; G. James Blaine, Editor(s)

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