Elastic IP

NLB Static IP for HA TCP Service Trade-offs | SAP-C02

30 December 2025·1428 words·7 mins

Architecture Drills AWS AWS SAP-C02 FinOps Decision Matrix Network Load Balancer Elastic IP High Availability TCP Protocol Route 53

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.

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