Serverless architecture is a cloud computing execution model where the cloud provider dynamically manages server infrastructure, allowing developers to focus solely on writing and deploying code without server management concerns.
Core characteristics:
- No server management: Cloud provider handles all infrastructure provisioning, scaling, and maintenance
- Event-driven execution: Functions execute only in response to specific triggers or events
- Automatic scaling: Resources scale from zero to thousands of concurrent executions automatically
- Pay-per-use pricing: Billing based only on actual execution time and resource consumption
- Stateless functions: Each function execution is independent with no persistent state
Key differences from traditional architecture:
| Traditional | Serverless |
|---|---|
| Always-running servers | Event-triggered execution |
| Manual scaling and capacity planning | Automatic scaling based on demand |
| Pay for provisioned infrastructure | Pay only for actual usage |
| Server maintenance required | Fully managed infrastructure |
| Often over-provisioned resources | Efficient resource utilization |
Rewriting in plainer words…
This answer doesn't lend itself to a diagram - it reads best . No credits were charged.
The model's verdict: “”
The interactive diagram is below the answer - jump to diagram ↓
This answer is explained by a shared concept diagram - open →
Tailored explanation · switch back to · ·
Point the redraw: