Software Development

Siti Azidah binti AbidinErmie Dharlya binti Che Daud

Agile Software Development

A group of software development methods based on iterative and incremental

development, where requirements and solutions evolve through collaboration

between self-organizing, cross-functional teams.

Source : http://en.wikipedia.org/wiki/Agile_software_development

Source : http://agilemanifesto.org/

12 Principles of Agile Software Development

1. Customer satisfaction by rapid delivery of useful software

2. Welcome changing requirements, even late in development

3. Working software is delivered frequently (weeks rather than months)

4. Working software is the principal measure of progress5. Sustainable development, able to maintain a constant

pace6. Close, daily co-operation between business people

and developersSource : http://agilemanifesto.org/

12 Principles of Agile Software Development

7. Face-to-face conversation is the best form of communication (co-location)

8. Projects are built around motivated individuals, who should be trusted

9. Continuous attention to technical excellence and good design

10. Simplicity11. Self-organizing teams12. Regular adaptation to changing circumstances

Source : http://agilemanifesto.org/

adaptability to changing requirements at any point during the

project life is a more realistic and better approach than attempting to

define all requirements at the beginning of a project and then

expending effort to control changes to the requirements.

Agile methodologies believe that …

Agile Development Methodologies• Agile Modeling• Agile Unified Process (AUP)• Dynamic Systems Development Method (DSDM)• Essential Unified Process (EssUP)• Exia Process (ExP)• Extreme Programming (XP)• Feature Driven Development (FDD)• Open Unified Process (OpenUP)• Scrum• Crystal Clear• Velocity tracking• Kanban (development)• GSD

Source : http://en.wikipedia.org/wiki/Agile_software_development

Characteristics of Agile Development Methodologies

• Reduce the cost of change.• Emphasis on coding.• Emphasis on testing.• Listening to customer needs.• Software Architecture Design is optional.• Emphasis on Software Release

Advantages

• Shorter development time• Continuous communication between

developers and client• Adaptive to requirement changes

Disadvantages

• Insufficient structure and necessary documentation

• Prioritizing changes can be difficult• Can lead to more difficult contractual

negotiations

Agile is…

• Suitable for project where product release is important factor.

• Requires huge staff and later break into group which tackle specific problem.

• Needs more customer involvement.

Agile Software Development on Youtube:http://www.youtube.com/watch?v=IbhKG0rNWgQ&feature=relatedhttp://www.youtube.com/watch?v=OJflDE6OaSc&feature=related