💧 Waterfall Model §

= a linear sequential software engineering process model¹

Diagram §

graph TD

0["🔍 Requirement Analysis"] --> 1["🎨 System Design"]
1 --> 2["🔨 Implementation"]
2 --> 3["🧪 Testing"]
3 --> 4["🚀 Deployment"]
4 --> 5["🔧 Maintenance"]
5 --> 4
5 --> 3
5 --> 2
5 --> 1
5 --> 0

Pros & Cons §

• 👍 departmentalization
• 👍 control
• 👎 big gap between design and deployment → new requirements
• 👎 not all requirements are clear from the start

Footnotes §

1. waterfall model definition ↩