Nézzük meg, hogy mit mond az IBM a hypervisor témában. Ha valami, akkor az IBM tudja mi:
https://www.ibm.com/topics/hypervisors
Type 1 vs. Type 2 hypervisors
There are two broad categories of hypervisors: Type 1 and Type 2.
Type 1 hypervisor
A Type 1 hypervisor runs directly on the underlying computer’s physical hardware, interacting directly with its CPU, memory, and physical storage. For this reason, Type 1 hypervisors are also referred to as bare-metal hypervisors. A Type 1 hypervisor takes the place of the host operating system.
Type 1 hypervisors are highly efficient because they have direct access to physical hardware. This also increases their security, because there is nothing in between them and the CPU that an attacker could compromise. But a Type 1 hypervisor often requires a separate management machine to administer different VMs and control the host hardware.
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VMware hypervisors
VMware offers Type 1 and Type 2 hypervisors. Type 1 hypervisors include:
ESXi hypervisor. VMware ESXi (Elastic Sky X Integrated) is a Type 1 (or bare-metal) hypervisor targeting server virtualization in the data center. ESXi manages collections of VMware virtual machines.
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