Requirement Analysis in SDLC

Functional vs Non-Functional Requirements

How to Gather and Document Requirements

Step 1: Talk to Stakeholders

Meet with the people who will use, manage, or fund the software to understand what they need.

Step 2: Gather Requirements Using Different Techniques

Step 3: Document the Requirements

After gathering all the information, document it in a Software Requirements Specification (SRS).

The SRS serves as the main reference document for the entire development team throughout the project.

Step 4: Write Clear and Specific Requirements

When creating the SRS:

• Use simple and clear language.
• Be specific about each requirement.
• Avoid vague or ambiguous statements that could lead to misunderstandings between stakeholders and developers.

Step 5: Add Visual Representations

To make requirements easier to understand, many teams include:

• Diagrams to visualize the system.
• Use cases to show how users interact with the system.
• User stories to describe features from the user's perspective.

These visuals help ensure everyone interprets the requirements in the same way.