L09 - Software Development Outline Software Lifecycle...

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Unformatted text preview: Software Development Outline Software Lifecycle Software Development Processes Build & Source Management Testing Software Development Margot Gerritsen Shela Aboud Emmet Caulfield School of Earth Sciences Stanford University January 24, 2010 Software Development Outline Software Lifecycle Software Development Processes Build & Source Management Testing Outline 1 Software Lifecycle 2 Software Development Processes 3 Build & Source Management 4 Testing Software Development Outline Software Lifecycle Software Development Processes Build & Source Management Testing Waterfall Model Simplest view, often attributed to Royce, with many variations, essentially: Requirements capture Specification Coding Testing Release Maintenance Obsolesence Just one minor flaw— it requires omniscience ! Software Development Outline Software Lifecycle Software Development Processes Build & Source Management Testing Boehm’s Spiral Model Software Development Outline Software Lifecycle Software Development Processes Build & Source Management Testing From Oualline. . . Still too few arrows! Chaos? Software Development Outline Software Lifecycle Software Development Processes Build & Source Management Testing Software Development Processes Software development, in particular, is extremely risky: Succeeded ( ± 10%) — 34% (Standish ’04) Failed — 15% Challenged — 51% Overbudget Late Lacking key functionality Huge improvement! Big projects are much worse (Humphrey ’05) Software Development Outline Software Lifecycle Software Development Processes Build & Source Management Testing Big S/W Projects Usually Fail Humphrey, W (SEI), Why Big Software Projects Fail: The 12 Key Questions , Crosstalk (J.Def.Soft.Eng) 2005. Software Development...
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This note was uploaded on 06/17/2010 for the course CME 211 taught by Professor Staff during the Winter '10 term at Stanford.

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L09 - Software Development Outline Software Lifecycle...

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