Rethinking Cloud Availability: Why the "Three-Zone Default" Is Flawed Architecture in Microsoft Azure
Executive Overview Across enterprise IT organizations, cloud architects face a recurring operational dogma: when deploying mission-critical workloads on Microsoft Azure, production applications must automatically span three Availability Zones (AZs). While rooted in a desire for maximum fault tolerance, this blanket "three-zone everywhere" rule is increasingly recognized by principal engineers and hyperscale reliability teams as an…
