3tradi(onaldevelopmentmethods of(sdlc)

3 Tradi(onal Development Methods Of (SDLC)

-‐Prototype -‐Waterfall -‐Agile

Group9 Q2 Heng shujia 0823

SDLC Systems/So)ware Development

Life Cycle

•  is the process of crea(ng soLware/systems


SoLware prototyping

•  Throwaway prototyping •  Evolu=onary prototyping •  Incremental prototyping •  Extreme prototyping


Waterfall

•  Requirements specifica(on •  Design •  Construc(on (AKA implementa(on or coding) •  Intergra(on •  Tes(ng and debugging (AKA Valida(on) •  Installa(on •  Maintenance


Agile

•  Agile Manifesto •  In February 2001, 17 so)ware developers met at the Snowbird, Utah resort, to discuss lightweight development methods.

•  They published the Manifesto for Agile So)ware Development


Twelve principles underlie the Agile Manifesto

•  Customer sa(sfac(on by rapid delivery of useful soLware •  Welcome changing requirements, even late in development •  Working soLware is delivered frequently (weeks rather than months) •  Working soLware is the principal measure of progress •  Sustainable development, able to maintain a constant pace •  Close, daily co-‐opera(on between business people and developers •  Face-‐to-‐face conversa(on is the best form of communica(on (co-‐loca(on) •  Projects are built around mo(vated individuals, who should be trusted •  Con(nuous aYen(on to technical excellence and good design •  Simplicity •  Self-‐organizing teams •  Regular adapta(on to changing circumstances


Ques(ons

•  Crea(ng a new Internal Web Portal for an adver(sing agency.

•  Changing the database in a hospital. •  Rolling-‐out a new informa(on kiosk in a chain of malls

-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ Prototype? Waterfall ? Agile ?


Ques(ons ????

•  Bing !


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 ^_^)/


3tradi(onaldevelopmentmethods of(sdlc)

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