Role of virtualization in cloud computing

It was first created in the age of mainframes. It entails creating a virtual (Virtualization) or software-created version of a computer resource rather than the real version of the same resource using specialized software.

The usage and flexibility of hardware may be increased by running different operating systems and programmes concurrently on the same computer and its same hardware with the aid of virtualization.

Introduction to Cloud Computing Virtualization

Creating a virtual version of an existing system, such as a desktop, server, network resource, or operating system, is known as virtualization. In a holistic sense, it is a method that enables a number of people or organisations to share the usage of an application or resource thread.

The idea of virtualization

Virtualization is the term used to describe virtual computers that mimic real hardware or operating systems in appearance. An ecosystem that logically detaches itself from the underlying hardware is compensated for by a virtual machine. The virtual machine is referred to as the Guest Computer, while the machine that serves as its base is known as the Host Machine.

The following is a list of words related to virtualization:


The operating system is what operates on real hardware, while the virtual equivalent is a running process inside of this OS. The term “hypervisor” or “Domain 0” is often used.

Vulnerable Machine (VM)

It operates as a virtual machine under a hypervisor.


These are thin virtual machines that belong to the same OS instance as their hypervisor. Therefore, containers are nothing more than a collection of active processes, each using a unique namespace for process IDs.

Vulnerability Software

It is a piece of software that makes virtualization easier to deploy on any machine. It could be included in a software programme bundle, an operating system, or a unique version of that OS.

Online Network

A virtual network, which may be extended to other servers or across many servers, is a conceptually distinct network that exists inside servers.

In other words, virtualization is one of the primary cost-effective, hardware-reduction, and energy-saving strategies employed by cloud providers. A single physical instance of a resource or an application may be shared by many consumers or organisations at once thanks to virtualization.

In addition, virtualization technologies provide a virtual environment for networking, memory, storage, and application execution in addition to application execution.

Various forms of virtualization

  1. Virtualization of applications.
  2. Virtualization of networks.
  3. Virtualization of desktops.
  4. Virtualization of storage.
  5. Virtualization of servers.
  6. Virtualization of applications

Application virtualization:

Application virtualization enables a user to access an application from a server from a distance. The server retains all user data and other programme properties, yet it may still be operated on a local workstation over the internet. A user who has to utilise two distinct versions of the same programme would be an example of this.

Virtualization of networks

It is possible to manage numerous virtual networks, each with its own management and data scheme. It may be handled by several parties who might want to keep their dealings private.

The ability to quickly design and deploy virtual networks, including logical switches, routers, firewalls, load balancers, Virtual Private Networks (VPN), and workload security, is made possible by network virtualization.

Virtualization of desktops:

The users’ operating system may be remotely stored on a server in the data centre thanks to desktop virtualization. It enables the user to virtually access their desktop using a separate computer from any place.

Users will require a virtual desktop if they desire a special operating system other than Windows Server. User mobility, portability, and simple administration of software installation, updates, and patches are some of desktop virtualization’s main advantages.

Storage Virtualization:

A virtual storage system controls a group of servers used in storage virtualization. The servers operate more like worker bees in a hive since they aren’t aware of precisely where their data is kept. Despite modifications, malfunctions, and variations in the underlying hardware, storage virtualization software ensures seamless operations, constant performance, and a continual array of sophisticated functionalities.

Server virtualization:

In this kind of virtualization, server resources are concealed. When the identity of the central server is known by each sub-server. Transferring primary server resources to a sub-server resource improves performance and lowers operating costs.

Data virtualization:

This type of virtualization involves gathering data from various sources and managing it in one location without knowing more about the technical details of how data is gathered, stored, and formatted.

The data is then arranged logically so that its virtual view can be accessed by its interested parties and stakeholders, as well as users, through a variety of cloud services remotely. Such large, powerful firms as Oracle, IBM, At scale, Cdata, etc. provide their services.


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