What is the difference between SDLC and Agile?

Question

Accepted Answer

**SDLC** — general process. **Agile** — specific methodology.

**SDLC (Software Development Life Cycle):**
- General framework.
- Multiple methodologies.
- Phases: Planning, Analysis, Design, Implementation, Testing, Deployment, Maintenance.
- Can be sequential or iterative.

```
SDLC Phases:
1. Planning
2. Analysis
3. Design
4. Implementation
5. Testing
6. Deployment
7. Maintenance
```

**Agile:**
- Specific methodology.
- Iterative approach.
- Sprints (2-4 weeks).
- Continuous feedback.
- Flexible and adaptive.

```
Agile Sprints:
Sprint 1: Design + Dev + Test
Sprint 2: Design + Dev + Test
Sprint 3: Design + Dev + Test
```

**Key differences:**
- **SDLC** — umbrella term.
- **Agile** — specific method.
- **SDLC** — can use Agile.
- **Agile** — iterative SDLC.

Systems Analyst: What is the difference between SDLC and Agile?