Article: When a Cloud Region Fails: Rethinking High Availability in a Geopolitically Unstable World

<img src="https://res.infoq.com/articles/sovereign-fault-domains-cloud-resilience/en/headerimage/sovereign-fault-domains-cloud-resilience-header-1776430533702.jpg"/><p>Sovereign fault domains are failure boundaries defined by legal, political, or physical jurisdiction rather than hardware topology. The article maps geopolitical events to known distributed-systems failure modes, argues multi-region should replace multi-AZ as the HA baseline for systems crossing jurisdictions, and outlines design patterns, chaos experiments, and an ALE model to justify the spend.</p> <i>By Rohan Vardhan</i>