What is Virtualisation?
Virtualisation is the splitting of physical hardware into multiple ‘virtual’ components. The most common usage of this within business, is using a single well spec’d server to host multiple Operating Systems (OS) serving different functions.
Why should I consider virtualisation – Business?
- Full system snapshots, enable complete server state restoration with minimal downtime
- Full system backups and failover
- Easy migration of virtual servers between hardware if upgrades are performed
- Reduced electrical cost
- Reduced hardware needs in server rooms
- Reduced Cooling requirements
- Run different Operating Systems on one set of hardware (Linux on Windows, Windows on OSX etc)
- Enable use of software only available on certain Operating Systems (OS)
- Reduces need for multiple computers
Types of Virtualisation:
- Network – Split complex networks into manageable and understandable parts
- Storage – Combine multiple storage devices into a single pool to simplify data storage
- Server – Host multiple servers on individual hardware to make the most of resources
- Desktop – Desktop environments run from a single server with the use of thin clients
- Application – Running applications not designed for your operating system with ease
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