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Kernel-based Virtual Machine (KVM) is a free and open-source virtualization module in the Linux kernel that allows the kernel to function as a hypervisor. It was merged into the mainline Linux kernel in version 2.6.20, which was released on February 5, 2007. [ 1 ]
SmartOS is a free and open-source SVR4 hypervisor based on the UNIX operating system that combines OpenSolaris technology with bhyve and KVM virtualization. [2] Its core kernel contributes to the illumos project. [3] It features several technologies: Crossbow, DTrace, bhyve, KVM, ZFS, and Zones.
The worker nodes, or hypervisor enabled-hosts, provide the actual computing resources needed for processing all jobs submitted by the master node. OpenNebula hypervisor enabled-hosts use a virtualization hypervisor such as Vmware, Xen, or KVM. The KVM hypervisor is natively supported and used by default.
Red Hat Virtualization (RHV) formerly known as Red Hat Enterprise Virtualization, is an x86 virtualization product developed by Red Hat, [2] and is based on the KVM hypervisor. [3] Red Hat Virtualization uses the SPICE protocol and VDSM (Virtual Desktop Server Manager) with a RHEL -based centralized management server.
oVirt is a free, open-source virtualization management platform. It was founded by Red Hat as a community project on which Red Hat Virtualization is based. It allows centralized management of virtual machines, compute, storage and networking resources, from an easy-to-use web-based front-end with platform independent access.
Two types of virtualization are supported: container-based with LXC (starting from version 4.0 replacing OpenVZ used in version up to 3.4, included [10]), and full virtualization with KVM. [11] It includes a web-based management interface. [12] [13] There is also a mobile application available for controlling PVE environments. [14]
^ OS-level virtualization is described as "native" speed, however some groups have found overhead as high as 3% for some operations, but generally figures come under 1%, so long as secondary effects do not appear. ^ See [20] for a paper comparing performance of paravirtualization approaches (e.g. Xen) with OS-level virtualization
libvirt is an open-source API, daemon and management tool for managing platform virtualization. [3] It can be used to manage KVM , Xen , VMware ESXi , QEMU and other virtualization technologies. These APIs are widely used in the orchestration layer of hypervisors in the development of a cloud-based solution.