Single Release Custom

• Initiation Phase
• Concept Development Phase
• Planning Phase
• Requirements Analysis Phase
• Design Phase
• Development Phase
• Test Phase
• Implementation Phase
• Operations and Maintenance Phase
• Disposition Phase

Single Release COTS

• Requirements Analysis Phase
• Design Phase
• Development Phase
• Test Phase
• Implementation Phase

Single Release Hardware/Network

• Initiation Phase
• Concept Development Phase
• Planning Phase
• Requirements Analysis Phase
• Design Phase
• Development Phase
• Test Phase
• Implementation Phase
• Operations and Maintenance Phase
• Disposition Phase

Multiple Release Custom

• Concept Development Phase
• Planning Phase
• Requirements Analysis Phase
• Design Phase
• Development Phase
• Test Phase
• Implementation Phase

Multiple Release COTS

• Concept Development Phase
• Planning Phase
• Requirements Analysis Phase
• Design Phase
• Development Phase
• Test Phase
• Implementation Phase

Multiple Release Hardware/Network

• Initiation Phase
• Concept Development Phase
• Planning Phase
• Requirements Analysis Phase
• Design Phase
• Development Phase
• Test Phase
• Implementation Phase 
• Operations and Maintenance Phase
• Disposition Phase

Related Links

• Build Versus Buy
• Cost Estimating
• Document Timeline
• Glossary & Acronyms
• Legacy Transformation
• Roles & Responsibilities
• Successful Projects
• User Acceptance