SPIRAL MODEL AND WATERFALL MODEL
SPIRAL
MODEL
|
WATERFALL
MODEL
|
1] Spiral
model is not suitable for small projects.
|
1]
Waterfall model is suitable for small projects.
|
2] Better
risk management.
|
2] High
amount of risk and uncertainty.
|
3]
Process is complex.
|
3] Easy
to understand.
|
4] The
process may go indefinitely.
|
4] Stages
are clearly defined.
|
5] This
model is suitable for long and ongoing projects.
|
5] This
model is not suitable for long and ongoing projects.
|
6]
Iterations are followed
|
6] Sequence
is followed
|
7]
Flexible with user requirements
|
7]
Requirements once fixed cannot be modified
|
8]
Refinements are easily possible
|
8]
Refinements are not so easy
|
9]
Phases are repeated itself
|
9]
Phases are processed and completed one at a time.
|
