Enterprise Unified Process

What Does Enterprise Unified Process Mean?

An Enterprise Unified Process (EUP) is a software development framework that enables software to be developed through a modular and structured approach. EUP is an extension to the previous Rational Unified Process (RUP) in the Rational Rose UML application by IBM Corporation. It was extended in 2000 by Scott W. Ambler and Larry Constantine.


Techopedia Explains Enterprise Unified Process

The Enterprise Unified Process is considered to be the succession of the more recent RUP concepts. It places emphasis on practices and concepts that can be implemented to minimize the shortcomings of the RUP, which ignores lack of system support and the obvious retirement of a system. The EUP considers software development as an independent process and, at the same time, states that creation, making enhancements, and making replacements are parts of the life cycle. The entire EUP consists of 6 phases:

  1. Inception
  2. Elaboration
  3. Construction
  4. Transition
  5. Production
  6. Retirement

The last two phases, production and retirement, are additions to the four-phase RUP process.


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Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.