Understanding the waterfall methodology

Introduction

• The waterfall methodology is a linear and sequential project management approach.
• Each phase of the project must be completed before moving to the next.
• Properly defined requirements are essential for successful execution.

Emphasis on documentation

• Documentation is crucial at each phase of the waterfall methodology.
• It helps capture project requirements, support communication, design and implement the project, ensure quality, verify progress, and share knowledge.

Phases of the waterfall methodology

1. Requirements phase

• Conduct user and stakeholder interviews.
• Document requirements and define project plans.
• Gather feedback from customers and stakeholders.

2. Design phase

• Develop architectural plans and create detailed design documents.
• Identify dependencies and update project plans.
• Test designs against requirements.

3. Implementation phase

• Begin actual work and create a functional and tested product.

4. Verification phase

• Monitor the system, address defects, and implement updates.
• Ensure the operation and sustainability of the system.

Pros of waterfall projects

• Predictability: Provides a structured timeline and clear milestones.
• Excessive documentation: Due to the lack of internal feedback between phases.

Overall, the waterfall methodology offers a structured and predictable approach to project management. However, it may lack flexibility and transparency, leading to increased project costs and excessive documentation.