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  2. Xen - Wikipedia

    en.wikipedia.org/wiki/Xen

    Xen Project runs in a more privileged CPU state than any other software on the machine, except for firmware.. Responsibilities of the hypervisor include memory management and CPU scheduling of all virtual machines ("domains"), and for launching the most privileged domain ("dom0") - the only virtual machine which by default has direct access to hardware.

  3. XCP-ng - Wikipedia

    en.wikipedia.org/wiki/XCP-ng

    XCP-ng is a Linux distribution of the Xen Project, [1] with pre-configured Xen Hypervisor and the Xen API project (XAPI) working out-of-the-box.The project was born in 2018, following the fork of Citrix XenServer (which became "Citrix Hypervisor" and now "XenServer" again).

  4. Citrix Systems - Wikipedia

    en.wikipedia.org/wiki/Citrix_Systems

    Citrix Systems, Inc. is an American multinational cloud computing and virtualization technology company that provides server, application and desktop virtualization, networking, software as a service (SaaS), and cloud computing technologies.

  5. Virtualization - Wikipedia

    en.wikipedia.org/wiki/Virtualization

    In computing, virtualization (v12n) is a series of technologies that allows dividing of physical computing resources into a series of virtual machines, operating systems, processes or containers.

  6. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    A Universally Unique Identifier (UUID) is a 128-bit label used to uniquely identify objects in computer systems. The term Globally Unique Identifier (GUID) is also used, mostly in Microsoft systems.

  7. High availability - Wikipedia

    en.wikipedia.org/wiki/High_availability

    High availability (HA) is a characteristic of a system that aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. [1] ...