8. HA & DR Patterns

Backup & Restore

hours RTO, $

Pilot Light

10min-1h, $$

Warm Standby

< 30 min, $$$

Multi-Site Active-Active

seconds, $$$$

Multi-AZ Services (built-in HA): ALB, NLB

8. HA & DR Patterns

Multi-AZ Services (built-in HA): RDS Multi-AZ (sync replica)

8. HA & DR Patterns

Multi-AZ Services (built-in HA): Aurora (6 copies 3 AZs)

8. HA & DR Patterns

Multi-AZ Services (built-in HA): DynamoDB

8. HA & DR Patterns

Multi-AZ Services (built-in HA): EFS Standard

8. HA & DR Patterns

Multi-AZ Services (built-in HA): S3 Standard

8. HA & DR Patterns

Multi-AZ Services (built-in HA): Lambda

8. HA & DR Patterns

Multi-Region Patterns: Aurora Global Database (DB)

8. HA & DR Patterns

Multi-Region Patterns: DynamoDB Global Tables (NoSQL)

8. HA & DR Patterns

Multi-Region Patterns: S3 CRR (objects)

8. HA & DR Patterns

Multi-Region Patterns: Route 53 Failover/Latency

8. HA & DR Patterns

Multi-Region Patterns: CloudFront Origin Failover

8. HA & DR Patterns

Multi-Region Patterns: Global Accelerator (anycast IP)

8. HA & DR Patterns

Backup: AWS Backup centralized

8. HA & DR Patterns

Vault Lock

Governance / Compliance

Backup: Cross-region copy for DR

8. HA & DR Patterns

Backup: Cross-account for ransomware protection

8. HA & DR Patterns

Service-native

RDS snapshots, EBS DLM, etc.