explain the advantages and disadvantage of spiral SDLC model in details?
Answers
Advantages
Additional functionality or changes can be done at a later stage
Cost estimation becomes easy as the prototype building is done in small fragments
Continuous or repeated development helps in risk management
Development is fast and features are added in a systematic way
There is always a space for customer feedback
Disadvantages
Risk of not meeting the schedule or budget
It works best for large projects only also demands risk assessment expertise
For its smooth operation spiral model protocol needs to be followed strictly
Documentation is more as it has intermediate phases
It is not advisable for smaller project, it might cost them a lot
Advantages and Disadvantage of spiral SDLC model
A spiral model is a realistic approach to the development of large systems and software.
Advantages:
- Work process is very important
- It is more important to changes that software development generally entails.
- Software engineers can work on the project earlier
Disadvantages
- Customized High
- Based on the applilcation work different
- Risk of not meeting the customer budget or schedule.
- Limiting re-usability.
- It is very costly and not recommended for small projects
- Documentation is in intermediate phases.
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