what are the advantages and disadvantage of spiral SDLC model in details?
Answers
Spiral Model is a combination of a waterfall model and iterative model. Each phase in spiral model begins with a design goal and ends with the client reviewing the progress. The spiral model was first mentioned by Barry Boehm in his 1986 paper.
The development team in Spiral-SDLC model starts with a small set of requirement and goes through each development phase for those set of requirements. The software engineering team adds functionality for the additional requirement in every-increasing spirals until the application is ready for the production phase.
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 application 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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