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Agile Software Development
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  1. Agile SoftwareDevelopment Sri Sudhir Naidu CS 532

  2. Traditional Software Development • Less communication between Customers and clients. • Requirements process in sealed before Analysis and design process. • Take more than estimated time and estimated budget.

  3. Agile Modeling • What is agility ? • Where is it needed ? • What are Agile Software Development models? • Why do we choose Agile Software Development ?

  4. What is Agile Modeling (AM)? • A practice-based methodology for effective modeling and documentation of software-based systems. [1]

  5. The Goals of AM: • To put into practice, a collection of values, principles and practices pertaining to effective and light-weight modeling.

  6. The Scope of AM: Figure : AM enhances other software processes.

  7. AM Values: • Communication • Simplicity • Feedback • Courage • Humility.

  8. AM Principles: • Assume Simplicity • Embrace Change • Incremental Change • Rapid Feedback • Model with a purpose and need multiple models • Software is the primary goal.

  9. AM Practices • Active Stakeholder Participation • Apply the Right Artifacts • Consider ownership • Consider Testability • Models in small increments and working parallel

  10. Agile process Philosophy • Individuals and interactions over processes and tools. • Working software over comprehensive documentation • Customer collaboration over contract negotiations. • Responding to change over following a plan.

  11. When is a Model Agile? • If there is a such thing as agile modeling, then there are also agile models. • Agile models are good enough when they exhibit the following criteria: • They fulfill their purpose and no more. • They are understandable. • They are sufficient accurate.

  12. Agile Software Development Methods (Processes) • Incremental Small releases, rapid cycles • Cooperative and communication • Straightforward • Adaptive

  13. Agile Models • XP( Extreme Programming) • Scrum • Feature Driven Development (FDD) • Dynamic Systems Development methods

  14. Conclusion: When go agile? • Uncertain & volatile requirements. • Responsible & motivated developers • Customers who understand and willing to get involved. • AM manage and optimize cost and time of the project.

  15. References • Manifesto for Agile software development; http://agilealliance.com • New methodology; Fowler; Martin; http://www.martinfowler.com/articles/newMethodology.html • Agile software development: Evidence from the field. AlanMacCormackhttp://www.agiledevelopmentconference.com/2003/ files/AlanAgileSoftwareJun03.ppt