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3 Traditional Development Methods Of (SDLC) -Prototype -Waterfall -Agile Group9 Q2 Heng shujia 0823 SDLC Systems/Software Development Life Cycle • is the process of creating software/systems Group9 Q2 Heng shujia 0823 Software prototyping • • • • Throwaway prototyping Evolutionary prototyping Incremental prototyping Extreme prototyping Group9 Q2 Heng shujia 0823 Waterfall • • • • • • • Requirements specification Design Construction (AKA implementation or coding) Intergration Testing and debugging (AKA Validation) Installation Maintenance Group9 Q2 Heng shujia 0823 Agile • Agile Manifesto • In February 2001, 17 software developers met at the Snowbird, Utah resort, to discuss lightweight development methods. • They published the Manifesto for Agile Software Development Group9 Q2 Heng shujia 0823 Twelve principles underlie the Agile Manifesto • • • • • • • • • • • • Customer satisfaction by rapid delivery of useful software Welcome changing requirements, even late in development Working software is delivered frequently (weeks rather than months) Working software is the principal measure of progress Sustainable development, able to maintain a constant pace Close, daily co-operation between business people and developers Face-to-face conversation is the best form of communication (co-location) Projects are built around motivated individuals, who should be trusted Continuous attention to technical excellence and good design Simplicity Self-organizing teams Regular adaptation to changing circumstances Group9 Q2 Heng shujia 0823 Questions • Creating a new Internal Web Portal for an advertising agency. • Changing the database in a hospital. • Rolling-out a new information kiosk in a chain of malls ------------------------------------------------------------Prototype? Waterfall ? Agile ? Group9 Q2 Heng shujia 0823 Questions ???? • Bing ! Group9 Q2 Heng shujia 0823 References • http://searchsoftwarequality.techtarget.com/definition/waterfall-model • http://en.wikipedia.org/wiki/Waterfall_model • http://en.wikipedia.org/wiki/Systems_Development_Life_Cycle • http://en.wikipedia.org/wiki/Software_prototyping#Throwaway_prototyping • http://www.scribd.com/doc/19553023/Prototype-Model • http://en.wikipedia.org/wiki/Agile_software_development Thank you ^_^)/ Group9 Q2 Heng shujia 0823