April 2017
Beginner
404 pages
9h 30m
English
During the pre-virtualization era, a physical machine was considered a singleton entity that could host one operation system and could contain more than one application. Enterprises that run highly critical businesses or multitenant environments need isolation between applications. This limits from using one server for many applications. Hardware virtualization or VM virtualization helped to scale out single physical servers as they host multiple VMs within a single server where each VM can run in complete isolation. Each VM's CPU and memory needs can be configured as per the application's demand.
A discrete software unit called hypervisor or Virtual Machine Manager (VMM) runs on top of virtualized ...
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