According to the progression summary, what architectural style characterized the HL7 v2 era (Early 2000s)?
Answer
Interface Engine Dependent
The table summarizing the data exchange evolution clearly delineates the architectural characteristics associated with different time periods. During the Early 2000s, when HL7 v2 was the primary transactional standard for exchanging data related to things like orders, admissions, and lab results, the underlying architecture was characterized by dependence on specialized software known as interface engines. These engines were necessary middleware components required to translate the complex, pipe-and-caret delimited messages of HL7 v2 into a format that receiving applications could process, distinguishing this period from the document-sharing focus of C-CDA or the modern web-based querying of FHIR.
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