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x86 virtualization is the use of hardware-assisted virtualization capabilities on an x86/x86-64 CPU.. In the late 1990s x86 virtualization was achieved by complex software techniques, necessary to compensate for the processor's lack of hardware-assisted virtualization capabilities while attaining reasonable performance.
Windows, Linux Same as VMware ESX Server Proprietary, free for personal non-commercial use [11] [12] Wind River Hypervisor Wind River x86, x86-64, PowerPC, ARM Same as host No host OS Linux, VxWorks, unmodified guests (including MS Windows and RTOSes such ach OSE, QNX and others), bare metal virtual board Proprietary: Xen: Xensource, Now Citrix ...
VMSVGA GPU driver for Linux hosts; Surround speakers setup support; Support for hardware-assisted nested virtualization on AMD CPUs; 6.1 Dec 10, 2019: Support for importing virtual machines from Oracle Cloud; Added nested virtualization support for Intel CPUs (it was already available for AMD CPUs) starting with Intel Core i5 Broadwell
Full virtualization was not fully available on the x86 platform prior to 2005. Many platform hypervisors for the x86 platform came very close and claimed full virtualization (such as Adeos, Mac-on-Linux, Parallels Desktop for Mac, Parallels Workstation, VMware Workstation, VMware Server (formerly GSX Server), VirtualBox, Win4BSD, and Win4Lin Pro).
VMware ESXi (formerly ESX) is an enterprise-class, type-1 hypervisor developed by VMware, a subsidiary of Broadcom, for deploying and serving virtual computers.As a type-1 hypervisor, ESXi is not a software application that is installed on an operating system (OS); instead, it includes and integrates vital OS components, such as a kernel.
Rapid Virtualization Indexing (RVI), known as Nested Page Tables (NPT) during its development, is an AMD second generation hardware-assisted virtualization technology for the processor memory management unit (MMU). [1] [2] RVI was introduced in the third generation of Opteron processors, code name Barcelona. [3]
The nature of a nested guest virtual machine does not need to be homogeneous with its host virtual machine; for example, application virtualization can be deployed within a virtual machine created by using hardware virtualization. [22] Nested virtualization becomes more necessary as widespread operating systems gain built-in hypervisor ...
VirtualBox – hypervisor by Oracle (formerly by Sun) for Windows, Linux, macOS, and Solaris; VMware ESXi and GSX – hypervisors for Intel hardware; VMware Workstation and Player – hypervisors for Windows and Linux; Hyper-V – hypervisor for Windows by Microsoft; PowerVM – hypervisor by IBM for AIX, Linux and IBM i