Virtualization

Virtualization refers to the creation of a virtual resources such as a server, desktop, operating system, file, storage or network.

A simple definition of virtualization is the formation of virtual computer inside the real computer.

Advantages

  • Reduces IT expenses
  • Increases Efficiency
  • Increases Agility

Ways of creating virtualization

  • Full virtualization,
  • Para-virtualization 
  • OS-level virtualization.

Types of Virtualization

1.Server Virtualization
2.Application Virtualization
3.Network Virtualization
4.Desktop Virtualization
5.Storage Virtualization

Server Virtualization

Server virtualization allows multiple servers to be installed on one or more existing servers. This saves floor space and money since you don’t have to purchase new servers or expand the square footage of your server room which may increase your overall expenses.

Application Virtualization

This is a process where applications get virtualized and are delivered from a sever to the end user’s device, such as laptops, smartphones, and tablets. So instead of logging into their computers at work, users will be able to gain access to the application virtually from anywhere, provided that an Internet connection should be available.

Network Virtualization

Network virtualization is a method of combining available resources in a network by splitting up the available bandwidth into channels, each of which is independent from the others, and each of which can be assigned (or reassigned) to a particular server or device in real time. Each channel is independently secured.

Desktop Virtualization

Desktop virtualization removes the need for a CPU at each computer station. Each user will still have a monitor and mouse, but will have their desktop CPU virtually stored on a local server.

Storage Virtualization

Storage virtualization is the process of grouping the physical storage from multiple network storage devices so that it looks like a single storage device. This concept is basically used in Storage Area Network (SAN) environment.

Hypervisor

A Hypervisor or Virtual Machine Monitor(VMM) is computer software, firmware or hardware that creates and runs virtual machines. A computer on which a hypervisor runs one or more virtual machines is called a host machine, and each virtual machine is called guest machine. 

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