Overviewing Azure Stack Hub compute
We will begin this section by providing an overview of the Azure Stack Hub compute solution. Azure Stack Hub provides IaaS functionality such as virtual machines, disks, and networking. Virtual machines are the first step for IaaS within Azure Stack Hub and are the touchstone for Azure consistency. Almost every application that runs on Azure Stack Hub relies on some form of IaaS infrastructure, be that middleware, SQL Server, or Exchange Server. All PaaS offerings build off of IaaS, including Service Fabric, notification hubs, and web apps. All of these are supported by foundational services provided by Azure Stack Hub. Azure Stack Hub uses these foundational services to help it run hybrid workloads, which is what Azure Stack Hub is designed for. The following diagram shows an Azure Stack Hub solution:
Azure Stack Hub can be extended by the extensible service framework when...