Waterfall/Classic Lifecycle
feasibility
study
requirements
analysis
design
build
test
install
Prototyping
Listen to customer
Customer test
drives mock-up
Buid/revise
mockup
Incremental delivery
delivered
system
design
build
install
evaluate
increment
1
first incremental delivery
design
build
install
increment
2
evaluate
second incremental delivery
design
build
install
evaluate
third incremental delivery
increment
3