Disaster Recovery

Active-Passive Multi-Region DR | SAP-C02

18 January 2026·1530 words·8 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix Route 53 Multi-Region Disaster Recovery ALB Auto Scaling VPC

This drill dissects a multi-region high availability and DR scenario, comparing active-active vs. active-passive architectures, VPC peering misconceptions, and Route 53 routing policy selections—with quantified FinOps impact for professional-level decision-making.

DynamoDB DR Decision for RPO/RTO | SAA-C03

9 January 2026·886 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix DynamoDB Disaster Recovery RPO RTO PITR

Explore how to balance Point-in-Time Recovery, Global Tables, and backup strategies to meet aggressive disaster recovery objectives for DynamoDB workloads without over-engineering.

Multi-Region DR Automation Trade-offs | SAP-C02

21 December 2025·1705 words·9 mins

Architecture Drills AWS AWS SAP-C02 FinOps Decision Matrix Disaster Recovery Route 53 Lambda RDS Read Replica Auto Scaling ALB CloudWatch

A professional-level analysis of automated failover strategies for multi-region applications, comparing Route 53 failover policies, Lambda-driven orchestration, and Global Accelerator approaches while balancing RTO requirements against budget constraints.

Multi-Region API Failover Trade-offs | SAP-C02

11 December 2025·1423 words·7 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix API Gateway Lambda DynamoDB Global Tables Route 53 Disaster Recovery

Designing multi-region API resilience requires balancing DNS routing strategies, regional Lambda deployments, and DynamoDB replication. This drill exposes the critical difference between edge-optimized endpoints and regional API Gateway deployments for disaster recovery.