Software development methodologies play a vital part of developing the software. There are many methodologies which are used by the professional software development company. There are certain advantages and disadvantages associated with each methodology. The basic purpose of these methodologies is to provide customized software development according to the requirements.
Software development methodology is a framework that is used to structure, plan, and control the process of developing an information system. This kind of development methodologies are only concerned with the software development process, so it does not involve any technical aspect of, but only concern with proper planning for the software development.
We use software methodologies for developing softwares.Some software methodologies are Waterfall model,Prototype model etc.
One of the best model is Spiral model.The Spiral Model is a sophisticated model that focuses on early identification and reduction of project risks. In this software development methodology, developers start on a small scale then explores the risks involved in the project, makes a plan to handle the risks, and finally decides whether to take the next step of the project to do the next iteration of the spiral. The success of any Spiral Lifecycle Model depends on the reliable, attentive, and knowledgeable management of the project.
Advantages of Spiral Model:
The high amount of risk analysis hence, avoidance of possible risk is certainly reduced.
This model is good for large size and critical projects.
In the spiral model, additional functionality can be added at a later date.
It is more suited for high-risk projects, where business needs may differ from time to time basis.