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Flashcards in Server Virtualisation Deck (6):
1

Describe full virtualisation.

Hypervisor simulates hardware to allow an unmodified guest OS to be run in isolation

2

Describe paravirtualisation.

Virtual guests aware that they have been virtualised. Guest source codes are modified with capabilities to communicate to the hypervisor (via Hypercall, i.e. API calls to hypervisor).

3

Describe OS-based virtualisation.

Lightweight "virtual machines (VMs)", called containers, which are realised using features provided by a modern Linux kernel. VMs share the same OS, system binaries and libraries.

4

What is a virtual machine (VM)?

A VM is defined as a representation of a physical machine by software that has its own set of virtual hardware upon which an operating system and applications can be loaded.

5

Virtualisation is realised through...

Hypervisor!

6

What is another name for hypervisor?

Virtual Machine Monitor.