Software Development Life Cycle

Iterative, Agile, Waterfall... What are the differences between these Software Development Life Cycle models?

The Software Development Life Cycle (SDLC) is a framework that outlines the process of developing software in a systematic way. Here are some of the most common ones:

1 - Waterfall Model:

• A linear and sequential approach.

• Divides the project into distinct phases: Requirements, Design, Implementation, Verification, and Maintenance.

2 - Agile Model:

• Development is done in small, manageable increments called sprints.

• Common Agile methodologies include Scrum, Kanban, and Extreme Programming (XP).

3 - V-Model (Validation and Verification Model):

• An extension of the Waterfall model.

• Each development phase is associated with a testing phase, forming a V shape.

4 - Iterative Model:

• Focuses on building a system incrementally.

• Each iteration builds upon the previous one until the final product is achieved.

5 - Spiral Model:

• Combines iterative development with systematic aspects of the Waterfall model.

• Each cycle involves planning, risk analysis, engineering, and evaluation.

6 - Big Bang Model:

• All coding is done with minimal planning, and the entire software is integrated and tested at once.

7 - RAD Model (Rapid Application Development):

• Emphasizes rapid prototyping and quick feedback.

• Focuses on quick development and delivery.

8 - Incremental Model:

• The product is designed, implemented, and tested incrementally until the product is finished.

Each of these models has its advantages and disadvantages, and the choice of which to use often depends on the specific requirements and constraints of the project at hand.

Author

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