Article: When a Cloud Region Fails: Rethinking High Availability in a Geopolitically Unstable World (opens in new tab)

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. By Rohan Vardhan