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Proceedings Paper

Comparison of network throughput using ACR-NEMA 2.0 versus Ethernet with TCP/IP
Author(s): Steven L. Fritz; Steven R. Roys; Wayne Thornton DeJarnette; Deszu Csipo; James Connors
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Paper Abstract

Currently available PACS networks rely on Ethernet and TCP/IP or a related standard for image transfer. We have implemented a hardware interface which is fully compliant with the ACR-NEMA 2.0 protocol, both hardware and software. The signalling bandwidth of the ACR-NEMA parallel interface is considerably higher than for Ethernet over coaxial cable. The relative performance of these two standards for a point to point link is of great interest in determining the feasibility of using the ACR-NEMA 2.0 standard for device interfacing to a larger PACS network. To compare the performance we have put together two systems, each of which supports both TCP/IP over Ethernet and ACR-NEMA 2.0. The first system is based on a PC/AT platform using the ISA bus. The second is a UNIX system based on a VMEbus platform. Each of these systems has a commercially available Ethernet interface running a commercially available TCP/IP implementation. Each system also has a DeJarnette Research Systems ACR-NEMA 2.0 interface (ANSIF). In addition, the ISA bus system also supports the Siemens PACSNet standard. Performance measurements were made for both Ethernet protocols and ACR-NEMA 2.0 between similar platforms and dissimilar platforms. Comparison of these throughput results will allow direct comparison of the competitiveness of the ACR-NEMA 2.0 standard with Ethernet. Results of the performance measurements are discussed in detail. The implications of these relative performance measurements for the future of the ACR-NEMA standard will be examined as well.

Paper Details

Date Published: 1 July 1992
PDF: 7 pages
Proc. SPIE 1654, Medical Imaging VI: PACS Design and Evaluation, (1 July 1992); doi: 10.1117/12.60281
Show Author Affiliations
Steven L. Fritz, Univ. of Maryland/Baltimore (United States)
Steven R. Roys, Univ. of Maryland/Baltimore (United States)
Wayne Thornton DeJarnette, DeJarnette Research Systems, Inc. (United States)
Deszu Csipo, DeJarnette Research Systems, Inc. (United States)
James Connors, DeJarnette Research Systems, Inc. (United States)

Published in SPIE Proceedings Vol. 1654:
Medical Imaging VI: PACS Design and Evaluation
R. Gilbert Jost M.D., Editor(s)

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