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Iterative Waterfall Model in SDLC
What is Iterative Waterfall Model in SDLC?
Iterative Waterfall is basically a replacement of Classical Waterfall Model.
Classical Waterfall Model is hard to use, so Iterative Waterfall Model is introduced after making certain necessary changes in the Classical Model. It’s basically identical to the classical waterfall approach, with a few tweaks to improve software development productivity.
The fundamental distinction between the iterative waterfall model and the classical waterfall model is that the iterative waterfall model provides feedback pathways from each step to the phases before it.
Phases of Iterative Waterfall Model
The iterative waterfall model is a software development approach that combines elements of both the waterfall model and iterative development. In this model, the software development process is divided into a series of iterations, or cycles, each of which involves the following phases:
Planning:
In this phase, the project team determines the goals and objectives for the current iteration, and develops a plan for achieving them.
Analysis:
In this phase, the project team gathers and analyses requirements for the current iteration.
Design:
In this phase, the project team designs the solution for the current iteration.
Implementation:
In this phase, the project team builds and tests the solution for the current iteration.
Testing:
In this phase, the project team tests the solution to ensure that it meets the requirements and functions as intended.
Deployment:
In this phase, the solution is deployed to the production environment.
Maintenance:
In this phase, the project team provides ongoing support and maintenance for the solution.
Advantages of Iterative Waterfall Model
There are several advantages to using the Iterative Waterfall Model in software development:
It is easy to understand and implement, making it a good choice for small projects or teams that are new to software development.
- The iterative nature of the model allows for changes and adjustments to be made as the project progresses, which can be beneficial in addressing unexpected issues or requirements.
- The clear separation of phases allows for better planning and management of the project, as each phase has specific goals and deliverables.
- The Waterfall Model can be a good choice for projects with well-defined and unchanging requirements, as it allows for a more structured and predictable development process.
- It can be easier to get stakeholder buy-in and approval at each phase of the project, as the deliverables are clearly defined and progress can be easily tracked.
Disadvantages of Iterative Waterfall Model
The Iterative Waterfall model, like the traditional Waterfall model, has a number of disadvantages that can make it less suitable for some projects. Some of the main disadvantages of the Iterative Waterfall model are:
2- Lack of Customer involvement
3- Risk of Failure
4- Poor Communication
5- High Costs
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