![]() It can be selected by keeping the advantages and disadvantages of various models in mind. Selection of appropriate life cycle model for a project: Selection of proper lifecycle model to complete a project is the most important task. This agility is achieved by removing unnecessary activities that waste time and effort. The end date of an iteration is fixed, it can’t be extended. ![]() But the main principle of the Agile model is to deliver an increment to the customer after each Time-box. In this model, requirements are decomposed into small parts that can be incrementally developed. But this model is more complex than the other models.Īgile Model: The Agile model was designed to incorporate change requests quickly. The spiral model is suitable for the development of technically challenging and large software that is prone to various risks that are difficult to anticipate at the start of the project. ![]() Flexibility and risk handling are the main characteristics of this model. Spiral Model: The Spiral model is considered as a meta-model as it includes all other life cycle models.
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