Software Development Life Cycle

Software Development Life Cycle

1. SOFTWARE DEVELOPMENT LIFE CYCLE MODEL

   • Requirements-gathering
   • Design
   • Implementation
   • Testing

2. WATERFALL LIFE CYCLE MODEL

   • Requirements
   • Design
   • Implementation and Unit Testing
   • Integration and System Testing
   • Operation

3. V-SHAPED LIFE CYCLE MODEL

   • Requeriments
   • System Test Planning Requirements
   • System Testing
   • High Level Design
   • Integration Test Planning
   • Integration Testing
   • Low Level Design
   • Unit Test Planning
   • unit testing
   • Implementation

4. INCREMENTAL LIFE CYCLE MODEL

   • Requirements
   • Design
   • Implementation and Unit Testing
   • Integration and System Testing
   • Operation

5. SPIRAL LIFE CYCLE MODEL

   • Planning
     • Requirements Gathering
   • Risk Analysis
     • Risk Analysis
     • Prototyping
   • Engineering
     • Coding
     • Testing
   • Evaluation
     • Testing Customer Evaluation
     • Project Cost