SNS · CloudCertPro

Async Integration: Cost vs Reliability Trade-offs | SAP-C02

24 January 2026·913 words·5 mins

Architecture Drills Cloud Provider (AWS) AWS SAP-C02 FinOps Decision Matrix SQS Step Functions SNS EventBridge

A high-level summary of decoupling third-party service integration in AWS to improve reliability, using asynchronous messaging patterns.

Auto-Healing Network Inspection Route Decisions | SAP-C02

20 January 2026·1521 words·8 mins

Architecture Drills AWS AWS SAP-C02 FinOps Decision Matrix Auto Scaling CloudWatch Lambda SNS Network Engineering Event-Driven Architecture

When network appliances fail in auto-scaling groups, static routes become stale. This SAP-C02 scenario explores the orchestration pattern combining custom metrics, event-driven automation, and Lambda-based route reconciliation—a real-world decision between operational complexity and infrastructure reliability.

Decouple SaaS Ingestion for Ops Efficiency | SAA-C03

28 December 2025·983 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix Amazon AppFlow EventBridge S3 SNS Decoupling

A retail analytics startup struggles with EC2 performance bottlenecks during multi-SaaS data ingestion. This drill explores the trade-off between managed integration services, event-driven architectures, and operational overhead.

SNS+SQS vs Kinesis for Fanout | SAA-C03

18 December 2025·994 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix SNS SQS Kinesis Decoupling Event-Driven Architecture

When faced with extreme message volume spikes (100K msg/sec) and dozens of independent consumers, choosing between SNS+SQS fan-out, Kinesis streams, and autoscaling patterns determines both scalability and cost efficiency.