Hypervisor 101: Server Virtualization Basics

Server virtualization has transformed the data center industry. Here are the basic things you need to understand about the technology that enables it.

Bill Kleyman

October 4, 2018

1 Min Read
Empty racks at a CERN data center, 2017
Empty racks at a CERN data center, 2017Dean Mouhtaropoulos/Getty Images

Even in their most basic form, virtualization technologies have transformed the data center at the core: servers, storage, networks. Here we’ll look specifically at the hypervisor, a tried-and-true technology that made server multi-tenancy (the ability for a single server to run multiple computing workloads as though they were running on multiple servers) for years.

First, here are some basic things to understand about the modern hypervisor:

At a very high level, hypervisor technologies represent intelligent pieces of software that allow us to abstract hardware resources and create multi-tenant server capabilities. These virtual servers (or services) are software-based virtual machines, or VMs, accessing underlying physical resources of the server, sharing those resources with each other.

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About the Author(s)

Bill Kleyman

Bill Kleyman has more than 15 years of experience in enterprise technology. He also enjoys writing, blogging, and educating colleagues about tech. His published and referenced work can be found on Data Center Knowledge, AFCOM, ITPro Today, InformationWeek, NetworkComputing, TechTarget, DarkReading, Forbes, CBS Interactive, Slashdot, and more.

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