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Depending upon how the desktop virtualization app works, they use RDP or can use another protocol of their own. Most business oriented desktop virtualization apps require specific types of equipment or services in order for the app to fully function. For example, VMware Horizon Client requires specific VMware equipment for the app to work. [2]
KVM (Kernel-based Virtual Machine) is a FreeBSD and Linux kernel module that allows a user space program access to the hardware virtualization features of various processors, with which QEMU can offer virtualization for x86, PowerPC, and S/390 guests. When the target architecture is the same as the host architecture, QEMU can make use of KVM ...
Instruction set extensions that have been added to the x86 instruction set in order to support hardware virtualization.These extensions provide instructions for entering and leaving a virtualized execution context and for loading virtual-machine control structures (VMCSs), which hold the state of the guest and host, along with fields which control processor behavior within the virtual machine.
For Windows, BlueStacks App Player has minimum requirements of Windows 7 or above, 4 GB of RAM, 10 GB of disk space, and an Intel or AMD processor. BlueStacks Air currently supports Mac systems using Apple Silicon chips . For macOS, minimum requirements include macOS 11 or higher Operating System, 8 GB RAM, and 12 GB disk space.
This approach is described as full virtualization of the hardware, and can be implemented using a type 1 or type 2 hypervisor: a type 1 hypervisor runs directly on the hardware, and a type 2 hypervisor runs on another operating system, such as Linux or Windows. Each virtual machine can run any operating system supported by the underlying hardware.
Support for Windows Vista was removed in version 5.2. Support for Windows 7 (64-bit) was removed in version 6.1. Support for Windows 8 (64-bit) was removed in version 7.0. [80] [81] Support for Windows 8.1 (64-bit) was removed in version 7.1. [82] Windows Server 2019 and higher. Support for Windows Server 2003 was removed in 5.0. [78] [79]
Nested virtualization becomes more necessary as widespread operating systems gain built-in hypervisor functionality, which in a virtualized environment can be used only if the surrounding hypervisor supports nested virtualization; for example, Windows 7 is capable of running Windows XP applications inside a built-in virtual machine.
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.