WE HAVE SIX TYPES OF VIRTUALIZATION :
1- Desktop virtualization
2-Application virtualization
3-Server virtualization
4-Storage virtualization
5-Presentation virtualization
6-Network virtualization
Desktop
virtualization is the concept of separating the logical desktop from the
physical machine.
One
form of desktop virtualization, virtual desktop infrastructure (VDI), can be
thought as a more advanced form of hardware virtualization. Rather than
interacting with a host computer directly via a keyboard, mouse, and monitor,
the user interacts with the host computer using another desktop computer or a
mobile device by means of a network connection, such as a LAN, Wireless LAN or
even the Internet. In addition, the host computer in this scenario becomes a
server computer capable of hosting multiple virtual machines at the same time
for multiple users.[3]
Server
Virtualization – consolidating multiple physical servers into virtual servers
that run on a single physical
application
Virtualization – an application runs on another host from where it is installed
in a variety of ways. It could be done by application streaming, desktop
virtualization or VDI, or a VM package (like VMware
ACE creates with a player).
Microsoft Softgrid is an example of Application virtualization.
Presentation
Virtualization – This is what Citrix Met frame (and the ICA protocol) as well as
Microsoft Terminal Services (and RDP) are able to create. With presentation
virtualization, an application actually runs on another host and all that you
see on the client is the screen from where it is run.
Network
Virtualization – with network virtualization, the network is “carved up” and
can be used for multiple purposes such as running a protocol analyzer inside an
Ethernet switch. Components of a virtual network could include NICs, switches,
VLANs, network storage devices, virtual network containers, and network media
.
Storage
Virtualization – with storage virtualization, the disk/data storage for your
data is consolidated to and managed by a virtual storage system. The servers
connected to the storage system aren’t aware of where the data really is.
Storage virtualization is sometimes described as “abstracting the logical
storage from the physical storage
To
understand more and see more details see the following link
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