I explained the concepts and theory behind Data Residency in a previous post. It’s time to get our hands dirty and implement it in a simple demo. The sample architecture In the last section of the previous post, I proposed a sample architecture where location-based routing happened at two different stages: The API Gateway checks for an existing X-Country header.

Cloud computing has opened a Pandora’s Box of many original issues compared to sound old on-premise systems. I believe that chief among them is Data Residency, or Data Location: Data localization or data residency law requires data about a nation’s citizens or residents to be collected, processed, and/or stored inside the country, often before being transferred internationally.