3tradi(onaldevelopmentmethods of(sdlc)
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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
Group9 Q2 Heng shujia 0823
SoLware prototyping
• Throwaway prototyping • Evolu=onary prototyping • Incremental prototyping • Extreme prototyping
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Waterfall
• Requirements specifica(on • Design • Construc(on (AKA implementa(on or coding) • Intergra(on • Tes(ng and debugging (AKA Valida(on) • Installa(on • Maintenance
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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
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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
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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 ?
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Ques(ons ????
• 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
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