https://davidcajio.com/tags/system-integration/Recent content in System Integration on David Cajio | AWS, DevOps & Platform ReliabilityHugo -- gohugo.ioen-us© 2026 David CajioMon, 06 Jul 2026 08:00:00 -0400https://davidcajio.com/posts/why-queues-belong-between-systems-that-dont-fail-the-same-way/Mon, 06 Jul 2026 08:00:00 -0400https://davidcajio.com/posts/why-queues-belong-between-systems-that-dont-fail-the-same-way/When SAP, Magento, WMS, and AfterShip all participate in the same order lifecycle, direct integrations become fragile fast. This post explains why AWS SQS FIFO queues belong between systems that fail differently, using real e-commerce flows like offline orders, order export, tracking updates, retries, bad data, dead-letter queues, and idempotent consumers.