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This paper reviews current standardization activities in North America and Europe which aim to allow electronic data interchange among health care applications. It analyzes the requirements communication subsystems must meet to enable such standard-based communication between heterogeneous health care applications. To illustrate such a system, the architecture of the HL&/EDIFACT Communication Subsystem (HECS) is presented. HECS provides communication agents the interface with existing applications, and provide translation and routing functions based on reliable underlying delivery mechanism.
By: Andrew Hutchison, Matthias Kaiserswerth, Michael Moser and Andreas Schade
Published in: IEEE Communications Magazine, volume 34, (no 7), pages 28-34 in 1996
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