We introduced Azure Availability Zones during Microsoft Ignite as part of our continuing expansion of Azure’s support for the most demanding, mission-critical workloads. Today I’m excited to announce the general availability of Availability Zones beginning with select regions in the United States and Europe.
With Availability Zones, in addition to the broadest global coverage, Azure now offers the most comprehensive resiliency strategy in the industry from mitigating rack level failures with availability sets to protecting against large scale events with failover to separate regions. Within a region, Availability Zones increase fault tolerance with physically separated locations, each with independent power, network, and cooling.
Read more about it in the Azure blog.