---
title: Non-Functional Requirements
---

# Non-Functional Requirements

## Performance

- API response time: < 200ms (p95)
- Page load time: < 2 seconds
- Database query time: < 100ms (p95)

## Scalability

- Support 10,000 concurrent users
- Auto-scale based on CPU/memory metrics
- Handle 10x traffic spikes during sales events

## Availability

- 99.9% uptime SLA
- Multi-AZ deployment required
- Automated failover for critical services

## Security

- End-to-end encryption for sensitive data
- IAM roles with least privilege
- Regular security audits
- WAF protection for public-facing APIs

## Observability

- Centralized logging (CloudWatch Logs)
- Distributed tracing
- Real-time alerting for critical errors
- Performance dashboards

