ITM 301 Lecture Notes - Hypervisor, Dynamic Host Configuration Protocol, Telnet

8 views10 pages

Document Summary

Itm 301 week 6: virtualization and cloud computing. Virtualization: a virtual, or logical, version of something rather than the actual, or physical version. Host: physical computer hosting a virtual machine. Hypervisor: creates and manages a vm: manages resource allocation and sharing between a host and any of its gust vms. Two types of hypervisors: type 1: installs on a computer before any os and is called a bare-metal hypervisor, type 2: installs in a host os as an application and is called a hosted hypervisor. Vm"s software and hardware characteristics are assigned when it is created in the hypervisor. Can customize the vm with: guest os, amount of memory, hard disk size, processor type and other options. Every vm has its own vnic (virtual nic: can connect the vm tov other machines, operates at the data link layer. Each vm can have several vnics: maximum number depends on the limits imposed by the hypervisor.