AWS SAP-C02 Drill: High-Availability TCP Service with Static IP - The NLB Design Trade-off Analysis
·1428 words·7 mins
This SAP-C02 scenario explores how to architect a multi-AZ, internet-facing TCP service with fixed IP addresses for client whitelisting. The challenge lies in balancing NLB capabilities, Elastic IP allocation strategies, and DNS configuration while maintaining cost efficiency and operational simplicity.