PAPER. by Elaine L. May and Barbara A. Zimmer
HP Journal August 1996
DESCRIBES USE OF GILB EVO AT HP
The traditional waterfall life cycle has been the mainstay for
software developers for many years. For software products that do
not change very much once they are specified, the waterfall model
is still viable. However, for software products that have their
feature sets redefined during development because of user
feedback and other factors, the traditional waterfall model is no
longer appropriate.
by Elaine L. May and Barbara A. Zimmer
Hewlett-Packard, like other organizations developing software products, is always looking for ways to improve its software
development processes. One software development method that has become quite popular at HP is called Evolutionary
Development, or EVO (see reference 1 and Article 3). EVO uses small, incremental product releases, frequent delivery to
users, and dynamic plans and processes. Although EVO is relatively simple in concept, its implementation at HP has
included both significant challenges and notable benefits. This paper begins with a brief discussion about the EVO method
and its benefits, then describes software projects at three HP divisions that have used EVO, and finally discusses critical
success factors and key lessons about EVO.
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