(Same like Availability zone in AWS)
Availability Zones is a high-availability offering that protects your applications and data from datacenter failures. Availability Zones are unique physical locations within the Azure region. Each zone is made up of one or more data centers equipped with independent power, cooling, and networking.
To ensure resiliency, there's a minimum of three separate zones in all enabled regions.
The physical separation of Availability Zones within a region protects applications and data from datacenter failures.
Zone-redundant services replicate your applications and data across Availability Zones to protect from single-points-of-failure.
With the Availability Zones, Azure offers industry best 99.99% VM uptime SLA.
Availability zones are subscription-based, which means AZ1 in a specific region of a subscription might be different to AZ1 of the same region in a different subscription.
Availability Zone Support available by Oct 19
Availability Zones is a high-availability offering that protects your applications and data from datacenter failures. Availability Zones are unique physical locations within the Azure region. Each zone is made up of one or more data centers equipped with independent power, cooling, and networking.
To ensure resiliency, there's a minimum of three separate zones in all enabled regions.
The physical separation of Availability Zones within a region protects applications and data from datacenter failures.
Zone-redundant services replicate your applications and data across Availability Zones to protect from single-points-of-failure.
With the Availability Zones, Azure offers industry best 99.99% VM uptime SLA.
Availability zones are subscription-based, which means AZ1 in a specific region of a subscription might be different to AZ1 of the same region in a different subscription.
Availability Zone Support available by Oct 19
Availability
set Support
|
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America
|
Europe
|
Asia Pacific
|
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Central US
|
East US
|
East US 2
|
West US 2
|
France Central
|
North Europe
|
UK South
|
West Europe
|
Japan East
|
Southeast Asia
|
Australia East
|
|
Compute
|
|||||||||||
Linux Virtual
Machines
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Windows Virtual
Machines
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Virtual Machine
Scale Sets
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Azure App Service
Environments ILB
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Azure Kubernetes
Service
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Storage
|
|||||||||||
Managed Disks
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Zone-redundant
Storage
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Networking
|
|||||||||||
Standard IP Address
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Standard Load
Balancer
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
VPN Gateway
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
ExpressRoute
Gateway
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Application
Gateway(V2)
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Azure Firewall
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Databases
|
|||||||||||
Azure Data Explorer
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
SQL Database
|
Y
|
Y
|
Y
|
Y(Preview)
|
Y
|
Y(Preview)
|
Y
|
Y
|
Y
|
Y
|
Y
|
Azure Cache for
Redis
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Azure Cosmos DB
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
||||
Analytics
|
|||||||||||
Event Hubs
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Integration
|
|||||||||||
Service Bus
(Premium Tier Only)
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Event Grid
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
Identity
|
|||||||||||
Azure AD Domain
Services
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
|
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