Agile methodology includes various methodologies in itself. Agile methodologies like Scrum, FDD, etc. are all part of the agile manifesto, which was introduced in the year 2001. Agile methodology is often compared with the waterfall model in the software development industry. However, agile approach is considered to be better.
It uses an incremental approach where a sample prototype is discussed with the customer. The prototype helps in understanding the key aspects, including the requirements. The consecutive prototypes reflect the changes done in the previous prototypes. This keeps happening till the customer is satisfied, providing better end-product to the customer. The idea is to maintain product’s quality in the entire phase of development. In the year 2001, several agile principles were discussed and agreed upon under the Agile alliance. The principles were to be followed for agile software development.
While comparing the Waterfall model and the agile methodology, Royce concluded that:
Why Agile?
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It uses an incremental approach where a sample prototype is discussed with the customer. The prototype helps in understanding the key aspects, including the requirements. The consecutive prototypes reflect the changes done in the previous prototypes. This keeps happening till the customer is satisfied, providing better end-product to the customer. The idea is to maintain product’s quality in the entire phase of development. In the year 2001, several agile principles were discussed and agreed upon under the Agile alliance. The principles were to be followed for agile software development.
While comparing the Waterfall model and the agile methodology, Royce concluded that:
- Each phase is a result of the process of previous steps
- The process should be repeatedly checked for consistency
- A single iteration would not give a clear picture of the process.
Why Agile?
- Agile Methodologies have overcome the traditional methods of waterfall model by becoming flexible, fast, lean, responsive, and consistent.
- Agile method focuses on people and is more communication-oriented
- Agile methods are tested in a dynamic environment and prove to be very flexible by adapting to the change happening in the business.
- Agile methods include regular inspection in a disciplined manner, which consequently improves the leadership qualities to boost the teamwork.
- Agile method follows best practices that help in getting high-quality software very quickly.
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