Agile Model in software engineering, agile model advantages and disadvantages

Last modified on January 4th, 2019 at 10:06 pm

Agile Model in software engineering, agile model advantages, and disadvantages, when to use agile model

What is an agile model?

Agile model is a combination of both incremental and iterative model and promotes more involvement of customer during the software development. The agile basic purpose is to be rapid in all activities.

agile model
                                                    Figure: agile model

The software is divided into small components. Each component is developed and validated by the customer if there is any problem is software component then another iteration is performed on the component. Here iteration means that design, coding, and testing are performed again and again until accurate the development of accurate software component.

When the first component is ready and fulfills the customer requirements then another component of the same software is developed in increment 2. Similarly, different iterations of design, code, and test are possible for component 2 of the software in increment 2.

What are the advantages of the agile model?

  1. Supports customer involvement and customer satisfaction
  2. Strong communication of software team with the customer.
  3. Focus on user and customer
  4. Rapid development
  5. Allows changes easily
  6. Cost saving
  7. Promotes team works
  8. Fast delivery
  9. Little planning required

What are the disadvantages of the agile model?

  • Not suitable for large projects
  • Mainly depends on the customer, and most of the time the customer is confused and the customer is not clear about the requirements. In such a situation the customer creates a problem for the software team.
  • Lack of documentation is a problem if the software team is changed and software needs to be maintained after some years.
  • Senior and highly paid developers are required because they are the only persons who can take correct decisions by having an eye for a little documentation.
  • Does not have full support for documentation and design.

When to use the agile model?

  • When frequent changes are required
  • When a highly qualified and experienced team is available
  • When a customer is ready to have a meeting with a software team all the time.
  • When project size is small.

What are the different agile process models?

  • Extreme Programming (XP)
  • Scrum
  • Crystal
  • Agile Modeling (AM)
  • Dynamic Systems Development Method (DSDM)
  • Feature Driven Development (FDD)
  • Adaptive Software Development (ASD)

Topic Covered

Agile Model in software engineering, agile model advantages and disadvantages

Pr. Fazal Rehman Shamil
Publisher of Internatonal Journal of Software Technology & Science ISSN: 2616- 5325
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