Hello, everyone! Today I will share with you virtualization and hypervisor.
1. What is virtualization?
Virtualization refers to virtualizing a computer into multiple logical computers through virtualization technology. Multiple logical computers are running on one computer at the same time, each logical computer can run a different operating system, and applications can run in independent spaces without affecting each other, thereby significantly improving the work efficiency of the computer.
Virtualization uses software to redefine the division of IT resources, which can realize the dynamic allocation, flexible scheduling, and cross-domain sharing of IT resources, improve the utilization of IT resources, make IT resources truly become social infrastructure, and serve flexibility in various industries Changing application requirements.
2. What is Hypervisor?
Hypervisor is an intermediate software layer that runs between the underlying physical server and operating system, allowing multiple operating systems and applications to share hardware. It can also be called VMM (virtual machine monitor), that is, a virtual machine monitor.
Hypervisor is a "meta" operating system in a virtual environment. They have access to all physical devices on the server, including disks and memory. The hypervisor not only coordinates access to these hardware resources, but also imposes protection between individual virtual machines. When the server starts and executes the hypervisor, it loads the operating system of all virtual machine clients and allocates the appropriate amount of memory, CPU, network, and disk to each virtual machine.
This is what I want to share with you today, thank you!
