iterative software development

Iterative Software

Development

Mohamad Charaf, PMP

The Big Bang approach to

development

What is an iteration•A self contained mini-project with a well

defined outcome: a stable, integrated, and

tested release

Rational Unified Process

Microsoft Solutions Framework

•Product Management

•Program Management

•Architecture

•Development

•Test

•Release/Operations

•User Experience

Core S/W Development Disciplines

For Each Iteration

Teams•Core Dev TeamoArchitectureoAnalysisoDesignoImplementationoTesting

•Customer TeamoDefine problems to be solved, things to be built,

changes to business processes

•Management TeamoEnsure that customer, business and development

goals are aligned

The Developer’s perspective

Team Lead Perspective

•A time boxed mini-project that results in the

production of a significant new release of

the software

Each iteration results in a

“RELEASE”

Integration of Iterations

The Customer’s perspective

Requirements

•Software Requirements Gathering

•Business Process Modeling (As-Is)

•UI prototypes / wireframes

Analysis

•Object Oriented Analysis

•Business Process Modeling To-Be

•Backend Analysis

Architecture

•For Platforms/Frameworks

•For Non-functional RequirementsoPerformance

oScalability

oReliability

oAvailability

oExtensibility

oMaintainability

oManageability

oSecurity

Design

•Object Oriented Design

•Portal/User Interface

•Services/ Integration

•Database Design

Development

•Create Test Case (Unit Testing)

•Write Code (Coding Techniques)

•Test Code (Unit Testing)

•Fix Code

•Build

Testing•Blackbox testing (specification based)

•Whitebox testing (APIs, Data)

Types of Testing

•Unit testing

•Integration testing

•System testing

•Acceptance testing

•Regression testing

•performance testing

•Security testing

Project Management

Configuration Management,

Deployment