Publication - Advice and guidance
Scotland's Digital Future: Scottish Public Sector Data Centre Virtualisation Guidance
Guidance and principles on virtualisation. Explains how virtualisation fits with wider strategic principles of moving to cloud computing. Explains what virtualisation is, how it works, types of virtualisation and the benefits. Includes case studies in
Types of virtualisation
The guidance in this document looks specifically at server virtualisation but for information other technologies in ICT from network virtualisation to storage virtualisation can be done. For information these can be summarised as below:
| Virtualisation type | Description |
|---|---|
| Server Virtualisation. | You can use a single or multiple physical servers to host a large number of virtual machine servers running a hypervisor operating system. VMware vSphere and Microsoft Hyper-V are the leading hypervisors at present. |
| Desktop Virtualisation. | This is split in to client side (running on a desktop) and Virtual desktop infrastructure ( VDI) where clients operating systems are ran on a server Virtualisation host. Citrix Xen Desktop and VMware Horizon View are examples. |
| User state Virtualisation. | This is where settings for applications and operating systems are centralised allowing users to logon to any device while retaining their settings. Roaming profiles and persona management products are examples of this type of Virtualisation. |
| Presentation Virtualisation. | More commonly known as Terminal services allows desktops and applications to run on a server and be displayed to a number of sessions on remote clients. Microsoft Remote Desktop Services and Citrix Xen App are examples. |
| Application Virtualisation. | Virtualises applications to allow them to be ran in or streamed to containers on the host operating system. App-V from Microsoft and Thin App from VMware are examples. |
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