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---
title: Hypervisor
---

**Definition** : "A hypervisor or virtual machine monitor (VMM) is computer
software, firmware or hardware that creates and runs virtual machines".

It must include a signature verification (possibly delegated).

Domain                | Improvement
--------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------
Hypervisor-Abstract-1 | Complete Hypervisor part ([jailhouse](https://github.com/siemens/jailhouse) / [KVM](https://www.linux-kvm.org/page/Main_Page) / [Xen](https://www.xenproject.org/developers/teams/embedded-and-automotive.html)).

## Native or Bare-metal hypervisors

These hypervisors run directly on the host's hardware to control the hardware
and to manage guest operating systems. Those are the ones we're interested in.