Virtualization Deep Dive: Hypervisors, VMs, and Resource Isolation

Virtualization Deep Dive: Hypervisors, VMs, and Resource Isolation Virtualization lets you run multiple operating systems on a single physical machine. A hypervisor sits between the hardware and the guests and manages access to CPU, memory, and I/O. This separation provides security, fault tolerance, and flexible capacity. There are two main types of hypervisors: Type 1 runs directly on server hardware, while Type 2 runs inside a host OS. Type 1 is common in data centers and clouds, offering strong performance. Type 2 is common for laptops or testing, with easier setup but slightly higher overhead. ...

September 21, 2025 · 2 min · 358 words