Very exciting news come this week! Microsoft announces the General Availability for Azure Availability Zones and Zone Redundant Storage. This is really good, because now you can to run highly-available, mission-critical workloads on top of zone-redundant VM/Scale Sets, Load Balancers, and Storage. Several additional regions and services such as Azure SQL and Redis Cache are also available to customers in preview or in the works. For now, only Central-US and France Central.
On the other hand, Zone-Redundant Storage (ZRS) is Generally Available in US East 2, US East EUAP (Canary), US Central, North Europe, West Europe, France Central, and Southeast Asia. Zone-Redundant Custom Images and Snapshots for Managed Disks are also GA at this time in these regions.