The role of the interface engine and adapters is to transform all data into XML on a Web information bus. This allows standards-based Web technologies and open source tools to be applied to ongoing PSPAT enhancement.
PSPAT has an interface engine and adapters designed to support a wide variety of interface types:
• XML remote procedure calls used for system integration over IP networks
• HL7 transactions used to transport medical data between medical information systems
• SQL interfaces designed to interact with any SQL database, e.g., XX
• Custom interfaces of any type for specialized systems such as medical devices or robots
The strategic goal of PSPAT is to reduce integration maintenance costs by at least an order of magnitude.
This is critical, as new process improvement targets may require acquisition of data from new systems on an ongoing basis. The software architecture for PSPAT in the UMMC is based on open source software developed on Web services protocols (Fig. 8.5).
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