# Microsoft Azure

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## How does Azure work?

* Azure uses Virtualization technique and has Hypervisor in all their servers distributed in the datacenters throughout the globe.
* A network switch provides connectivity to all those servers.&#x20;
* And one server in each rack runs a special piece of software called a **Fabric Controller**.
* Each Fabric Controller is connected to another piece of the software known as the **Orchestrator**.
* Orchestrator is responsible for managing everything that happens in Azure, including responding to user requests.
* Users make requests using the Orchestrators Web API in the user interface of the Azure Portal.&#x20;

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Virtualization separates the tight coupling between a computer's hardware and operating system, using an abstraction layer called a **hypervisor**.

Hypervisor emulates all the functions of a real computer and its CPU in a Virtual Machine.
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