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What is Virtualisation?

Virtualise for Efficiency, Higher Availability, and Lower Costs

Virtualisation is the single most effective way to reduce IT expenses while boosting efficiency and agility—not just for large enterprises, but for small and midsize businesses too. VMware virtualisation lets you:

  • Run multiple operating systems and applications on a single computer
  • Consolidate hardware to get vastly higher productivity from fewer servers
  • Save 50% or more on overall IT costs
  • Speed and simplify IT management, maintenance, and the deployment of new applications

Deliver IT Resources as Needed

Virtualisation addresses IT’s most pressing challenge: the infrastructure sprawl that compels IT departments to channel 70% of their budget into maintenance, leaving scant resources for business-building innovation.
The difficulty stems from the architecture of today’s X86 computers: they’re designed to run just one operating system and application at a time. As a result, even small datacenters have to deploy many servers, each operating at just 5% to 15% of capacity—highly inefficient by any standard.
Virtualisation software solves the problem by enabling several operating systems and applications to run on one physical server or “host.” Each self-contained “virtual machine” is isolated from the others, and uses as much of the host’s computing resources as it requires.


  • The most mature, proven, and comprehensive platform. VMware vSphere is fifth- generation virtualisation—many years ahead of any alternative. It delivers higher reliability, more advanced capabilities, and greater performance than competing solutions. VMware’s virtualisation pre-eminence is recognized universally by analysts and overwhelmingly by the marketplace, with more than 500,000
  • High application availability. Purchased separately, high-availability infrastructure remains complex and expensive. But VMware integrates robust availability and fault tolerance right into our platform to protect all your virtualised applications. Should a node or server ever fail, all its VMs are automatically restarted on another machine, with no downtime or data loss.
  • Wizard-based guides for ease of installation. VMware’s wizard-based guides take the complexity out of setup and configuration. You can be up and running in one-third the deployment time of other solutions.
  • Simple, streamlined management. VMware lets you administer both your virtual and physical environments from a “single pane of glass” console right on your web browser. Time-saving features such as auto-deploy, dynamic patching, and live VM migration reduce routine tasks from hours to minutes. Management becomes much faster and easier, boosting productivity without adding to your headcount.
  • Higher reliability and performance. Our platform blends CPU and memory innovations with a compact, purpose-built hypervisor that eliminates the frequent patching, maintenance, and I/O bottlenecks of other platforms. The net result is best-in-class reliability and consistently higher performance: for heavy workloads, 2-to-1 and 3-to-1 performance advantages over our nearest competitors.
  • Superior security. VMware’s hypervisor is far thinner than any rival, consuming just 144 MB compared with others’ 3-to-10 GB disk profile. Our small hypervisor footprint presents a tiny, well-guarded attack surface to external threats, for airtight security and much lower intrusion risk.
  • Greater savings. VMware trumps other virtualisation solutions by providing 50 to 70 percent higher VM density per host—elevating per-server utilization rates from 15% to as high as 80%. You can run many more applications on much less hardware than with other platforms, for significantly greater savings in capital and operating costs.
  • Affordability. VMware is highest in capabilities, but not cost. Starting at $165 per server, our small business packages consolidate more of your applications on fewer servers, with greater performance—delivering the industry’s lowest total cost of ownership (TCO).

How virtualisation Works

The heart of virtualisation is the “virtual machine” (VM), a tightly isolated software container with an operating system and application inside. Because each VM is completely separate and independent, many of them can run simultaneously on a single computer. A thin layer of software called a hypervisor decouples the VMs from the host, and dynamically allocates computing resources to each VM as needed.

This architecture redefines your computing equation, to deliver:

  • Many applications on each server. As each VM encapsulates an entire machine, many applications and operating systems can be run on one host at the same time.
  • Maximum server utilisation, minimum server count. Every physical machine is used to its full capacity, allowing you to significantly reduce costs by deploying fewer servers overall.
  • Faster, easier application and resources provisioning. As self-contained software files, VMs can be manipulated with copy-and-paste ease. This brings unprecedented simplicity, speed, and flexibility to IT provisioning and management. VMs can even be transferred from one physical server to another while running, via a process known as live migration. You can also virtualize business-critical apps to improve performance, reliability, scalability, and reduce costs.

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