Iterative software development Introduction

1. Iterative Software
Development
Mohamad Charaf, PMP

2. The Big Bang approach to
development

4. What is an iteration
•A self contained mini-project with a well
defined outcome: a stable, integrated, and
tested release

5. Rational Unified Process

6. Microsoft Solutions Framework
•Product
Management
• Program
Management
• Architecture
• Development
• Test
• Release/Operation
s
• User Experience

7. Core S/W Development Disciplines
For Each Iteration

8. Teams
•Core Dev Team
o Architecture
o Analysis
o Design
o Implementation
o Testing
•Customer Team
o Define problems to be solved, things to be built,
changes to business processes
•Management Team
o Ensure that customer, business and development

9. The Developer’s perspective

10. Team Lead Perspective
•A time boxed mini-project that results in the
production of a significant new release of
the software

11. Each iteration results in a
“RELEASE”

12. Integration of Iterations

13. The Customer’s perspective

14. Requirements
•Software Requirements Gathering
•Business Process Modeling (As-Is)
•UI prototypes / wireframes

15. Analysis
•Object Oriented Analysis
•Business Process Modeling To-Be
•Backend Analysis

16. Architecture
•For Platforms/Frameworks
•For Non-functional Requirements
o Performance
o Scalability
o Reliability
o Availability
o Extensibility
o Maintainability
o Manageability
o Security

17. Design
•Object Oriented Design
•Portal/User Interface
•Services/ Integration
•Database Design

18. Development
•Create Test Case (Unit Testing)
•Write Code (Coding Techniques)
•Test Code (Unit Testing)
•Fix Code
•Build

19. Testing
•Blackbox testing (specification based)
•Whitebox testing (APIs, Data)

20. Types of Testing
•Unit testing
•Integration testing
•System testing
•Acceptance testing
•Regression testing
•performance testing
•Security testing

21. Project Management

22. Configuration Management,
Deployment