Azure Infrastructure Guide: Regions, Zones & SLAs Explained
When we talk about "the cloud," it’s easy to imagine an abstract network floating in the ether. But for Solution Architects and DevOps engineers, the cloud is intensely physical. It is comprised of steel, fiber optics, concrete, and massive amounts of electricity. Microsoft Azure’s global infrastructure is designed to abstract this complexity while giving you the tools to build applications that (almost) never fail. To build resilient apps, you must understand the three pillars of Azure's physical architecture: Regions , Availability Zones , and Service Level Agreements (SLAs) . This guide will demystify these concepts and show you how they work together to keep your applications running. 1. Azure Regions: The Building Blocks At the highest level, Azure divides the world into Geographies (like "United States" or "Europe") defined by geopolitical boundaries. Within these geographies lie Regions . A Region is a set of datacenters deployed within a late...
