
45ManageMent and ProCess
e agile model works through the user’s story. e user writes a
short description of what he wants, and a small phase of the life cycle
is based on that (Figure 2.6).
Waterfall e waterfall model is a sequential design process that is
used in software development processes, where the progress is seen
as flowing steadily downward (like a waterfall) through the phases of
conception, initiation, analysis, design, construction, testing, produc-
tion/implementation, and maintenance.
e IEEE Standard 610, Glossary of Software Engineering
Technology, defines a waterfall model as a model of the software devel-
opment process in wh ...