Book Excerpt: Veterans Health Administration's VistA MUMPS Modernization Pilot

Adapted from "Information Systems Transformation: Architecture-Driven Modernization Case Studies," by William M. Ulrich and Philip Newcomb. To download a .pdf of the full case study, click here.

Veterans Health Administration's VistA MUMPS Modernization Pilot

Abstract

This case study documents technologies, processes, and methods of a 100%  automated conversion of the Veterans Health Administration (VHA) Veterans Information System Technical Architecture (VistA) system, written in 2.1 million lines of MUMPS, into Java compatible with the J2EE framework. VistA is the core Electronic Healthcare Recordkeeping (EHR) system for the VHA hospital system, which provides EHR record keeping for more than 4.5 million veterans...