Azure allows you to group virtual machines (VMs) in availability sets to distribute their placement across the underlying infrastructure. In this post, you will learn the basic concept of availability sets and how they relate to the fault domain (FD) and update domain (UD) concepts. Moreover, this article will describe how to create an availability set in the Portal and in PowerShell, and how to distribute traffic among VMs using Azure Load Balancer, Application Gateway, and Traffic Manager.
When it comes to providing availability, you’ll need to be aware of certain cases before moving your production environment, even in the cloud.
Types of failures in Azure
In an Azure cloud environment, we can talk about two types of failures you may have to face: