SPIRAL MODEL
\spˈa͡ɪ͡əɹə͡l mˈɒdə͡l], \spˈaɪəɹəl mˈɒdəl], \s_p_ˈaɪə_ɹ_əl m_ˈɒ_d_əl]\
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A software life-cycle model which supposesincremental development, using the waterfall model for eachstep, with the aim of managing risk. In the spiral model,developers define and implement features in order ofdecreasing priority.[Barry Boehm, "A Spiral Model of Software Development andEnhancement", ACM SIGSOFT Software Engineering Notes, August1986].[Barry Boehm "A Spiral Model of Software Development andEnhancement" IEEE Computer, vol.21, #5, May 1988, pp 61-72].[Better explanation?]
By Denis Howe
