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Question. What is agile methodolgy

Agile methodology is more of people oriented. Agile methodology helps us to increase productivity and reduce risks. There are 2 popular agile methods- Extreme programming (XP) and Scrum.
Scrum:
Each iteration would called a scrum which can be a 1-2 Months.In Scrum Client prioritise his requirements what he want first. If developer did not meets all the requirement which was being fixed for a perticular scrum than rest of the development part would be transferred to the next scrum (would be delievered in the next build), means developer cann't increase time decided for a scrum.Its fixed.

Extreme Programming (XP):
Here iteration period would be less then in scrum , which is being 2-4 weeks. Here developer prioritise what to do first on the basis of client requirement. This duration which was being fixed for a iteration, can be increase if the some development part is still pending. The build would deployed with having all the client needs. Thus iteration period is not fixed here it can be increase. but iteration should meets all the client's requirement in this build. More attension is required for testing in XP.

It is a methodology to satisfy the customer through early and continuous delivery of valuable software. This is useful when we don’t have a clear idea of the client's requirements or when the Client frequently changes his requirement.

The development activities can be carried out using the iterative actions

People believe that there is less documentation in Agile. But agile also includes documentation and it can be used either a small or a large projects. In agile Development, testing is also integrated throughout the life cycle. But for the testers, they will not have a good business requirement. So they have to get the details from the client or through the developer. The testers will do more of Quality Assurance work than testing.

Agile Methodology- Characteristics
- Frequent Delivery
- More Iterations
- Test frequently
- Less defects



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