Xen is a lightweight, high performance, Open Source hypervisor. It is developed by a worldwide community of individuals, researchers and employees of companies that follow the Xen Project Governance process based on openness, transparency, and meritocracy.

Xen is a type-1 hypervisor with a very low footprint: the ARM port amounts to less than 90K lines of code. Xen enables secure, disaggregated architectures with service domains and driver domains.

With the introduction of virtualization extensions on ARM processors, the Xen Project added support for newer ARM CPUs to the Hypervisor (the first release with ARM support was Xen 4.3). You can find more
information related to this work on the wiki.

Today, Xen is at the core of many products targeting ARM platforms. Xen has been used on servers, IoT devices, automotive environments, medical devices, and more.

Xen availability on Arm systems

The latest release of Xen is 4.11 as of 10 July 2018. In general XenProject.org supports stable branches for 18 months full support, plus 18 months of security fixes. Xen versions are available through package managers on SUSE and Fedora (as “xen”) as well as on Debian and Ubuntu (as “xen-system”).

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