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An organization is deploying a business-critical web application on Azure Virtual Machines. The engineering team requires high availability that protects the workload against datacenter-level disruptions—such as localized power loss, cooling failures, or building network outages—while keeping all virtual machines within the same Azure region to maintain very low inter-service latency.
Which Azure feature should the team implement to meet these requirements?
Azure Availability Zones are physically separate datacenters located within a single geographic Azure region. Each individual zone consists of one or more datacenters equipped with independent power, cooling, and networking infrastructure to ensure complete physical isolation from other zones in that same region.
Deploying across Availability Zones delivers the exact level of redundancy needed for datacenter-wide resilience without incurring the complexity, higher inter-region latency, and full duplicate environment overhead associated with multi-region architectures.
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