For every custom software solution project, whether large or small, a suitable software development methodology is the core requirement in the development procedure. Every company employs a particular model to ensure the software development process is implemented with ease and professionalism. One such methodology is the spiral model.
The spiral model combines the design and prototyping-in-stage factors for a perfect software development process to take place. It is also known as a spiral lifecycle model that boasts the advantages of top-down and bottom-up concepts. This SDM (systems development method) used in the IT field is generally intended for large, complicated and expensive software development projects.
The spiral model was the first model to explain the importance of iterative or step-by-step development. The iterations were envisaged to be 6 months-2 years long. The phases began with design goals and ended with the client reviewing the progress. The step by step process can be defined in brief as follows:
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