Virtualisation

Gain more out of your IT Infrastructure investment by virtualising core services, reducing your costs, and improving performance.

Virtualisation refers to the creation of a virtual system that simulates hardware functionality. Its purpose is to create software-based services that include storage, applications, servers and networks.

The key benefits of virtualisation are cost reduction and improved performance.

Virtualisation in practice

A single computer can be configured to simulate multiple virtual machines, each one including hardware, operating systems, storage devices, networks and more. Each virtual machine acts independently, possibly using different operating systems and applications and each virtual machine shares the computing resources of the host machine.
There are four main virtualisation classes:

  • Desktop virtualisation where a single server simulates multiple desktops
  • Network virtualisation where total network bandwidth is split into channels and each channel assigned to different systems
  • Software virtualisation separates software from operating systems and other applications. It also emulates the behaviour of cloud-based applications and service architectures.
  • Storage virtualisation which integrates multiple storage resources into a single storage unit accessible to multiple users

In a nutshell, virtualisation allows you to share resources, reduce redundancy, and reduce costs.

Virtualisation and cloud computing

There are parallels and subtle differences between cloud computing and virtualisation. While cloud computing combines multiple hardware devices, virtualisation emulates hardware to provide multiple virtual machines. In the latter, each user accesses dedicated virtual hardware, while in the former users access multiple hardware devices. Cloud computing is an off-premises solution available anywhere, while virtualisation is primarily a local on-premises solution.

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Benefits of virtualisation

The primary benefit of virtualisation is that it allows IT-intensive businesses to reduce the amount of resources they need while providing the infrastructure to satisfy future customer demand.

Cost reduction and efficiency

As virtualisation uses one machine to create multiple virtual machines, it can reduce the number of physical servers an enterprise needs. With each server running at a higher capacity, you save on capital and maintenance costs, you reduce your cooling requirements, and you reduce your carbon footprint. Ultimately, a single server could emulate ten virtual machines.

Reliability and disaster recovery

Virtualisation is highly flexible. A virtual machine can be readily switched to an alternative server to balance the overall load offering improved reliability. Should a machine fail, its virtual image can be reproduced instantly on another server, avoiding lengthy reinstallation in the event of systems crash and the attendant cost implications.

Multinational flexibility

Virtual desktops eliminate the need for multiple machines running different operating systems and multiple languages.

How virtualisation can benefit your organisation

By virtualising your core services, we can replace your inefficient servers with fewer machines saving you money, improving system performance, and increasing reliability. Your data centres will be more flexible and able to adjust rapidly to changing demands.

Virtualisation is the future of IT management. If you would like to learn more about how we can virtualise your IT environment, talk to us.

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