Virtualization is a technique in which virtual copies of networks, servers, storage, and other real computers. It makes it possible to run several virtual machines concurrently on a single physical computer by simulating the operations of physical hardware. Enterprises leverage virtualization to maximise hardware resources and improve ROI. It also contributes significantly to the effectiveness of infrastructure management in cloud computing services.

Cutting a service off from its physical delivery beneath is a step in the virtualization process. Created with specialized software, it is a throwback to the days of mainframe development, where computers were virtualized. Through this technique, utilization and flexibility are increased as several operating systems and applications can run simultaneously on the same hardware.

To put it simply, virtualization is the process of creating virtualized copies of operating systems, servers, desktop computers, storage devices, and network resources instead of real ones. It enables the sharing of a single physical resource or application across several clients and businesses by giving a physical storage place a logical name and supplying a pointer to the resource when required.

What Makes Virtualization Necessary? Virtualization is essential to contemporary IT systems. More versatility in utilising hardware resources is offered by it. Virtualization lowers these constraints associated with physical servers, which include continuous maintenance, storage space requirements, and electricity use. You can manage, maintain, and use your hardware infrastructure as if it were an online application by abstracting physical hardware functions into software.

Let us look at a business that requires servers for three different purposes:

  • Safely Keeping Business Emails: With the Windows operating system, this application needs extra storage space.
  • Using an application with a customer facing it: This application requires a Linux operating system and a powerful processor to handle massive levels of website traffic.
  • Overseeing Internal Business Applications: iOS and more internal memory (RAM) are needed for the internal business app.

The company would typically set up three different, developed physical servers, one for each application. This method is expensive and ineffective, though. Resources inside the firm might be consolidated through virtualization. It shares resources among these functions dynamically to maximize processing capacity.

Virtualization improves resource utilization while simultaneously cutting costs. Moreover, cloud computing is greatly impacted by virtualization. Virtualization plays a major role in cloud services’ ability to distribute resources among several users and applications in an efficient manner. Virtualization makes scalable, versatile, and affordable cloud solutions possible by abstracting hardware.

What are the benefits of Virtualization?

  • Automated IT Management: Software solutions make management easier now that actual systems have been virtualized. Using deployment and configuration tools, administrators create virtual machine templates. By consistently replicating the infrastructure, human configuration problems can be prevented.
  • Effective Resource Utilisation: Virtualization maximizes the use of hardware resources in your data center. On a single computer, you establish a virtual server pool in place of running distinct servers on different physical systems. As needed, servers can be removed from and added back to the pool. This method lowers the quantity of physical servers, which frees up space and lowers the cost of cooling, electricity, and generators.
  • Faster Recovery from catastrophes: Virtualized environments provide faster recovery from business operations disruptions caused by disasters or cyberattacks. Virtualized systems can be restored in minutes instead of hours or days for physical servers. This quick reaction increases resilience and guarantees continuous business operations.

What are the different types of Virtualizations, uses and it advantages?

  1. Server Virtualization:

This technology enables the operation of several virtual servers, also referred to as virtual machines or VMs, on a single physical server. With its own operating system and set of apps, every virtual machine functions independently.


  • Resource Utilization: Server virtualization optimizes hardware utilization by sharing physical resources (CPU, memory, and storage).
  • Isolation: Because virtual machines are isolated from one another, problems with one VM cannot impact other VMs.
  • Flexibility: Quickly build, copy, or move virtual machines as needed.

Use Cases: Server virtualization is essential to hosting companies, data centers, and cloud computing.

  • Storage Virtualization

Abstracts physical storage devices (such discs, SANs, or NAS) and places them in a logical layer. It establishes a pool of storage resources that are assignable in real time.


  • Aggregation is the process of combining storage from various devices into a single pool.
  • Simplified Management: Storage resource management that is centralised.
  • Scalability: The ease of adding or deleting storage space.

Use cases: cloud storage services, enterprise storage systems.

  • Network Virtualization:

Describes the process of separating network services from the physical infrastructure that supports them. Independent virtual networks are produced by it.


  • Isolation: Divide network traffic to improve performance and security.
  • Efficiency: Make the most use of available network resources.
  • Flexibility: You can add, remove, or change virtual networks on the fly.

Use Cases: cloud data centres, software-defined networking (SDN).

  • Application Virtualization:

Applications are isolated from the underlying operating system through application virtualization. Apps operate independently of the host operating system in their own virtual environments.


  • Compatibility: Use old software on newer operating systems without encountering issues.
  • Security: Separate programmes that can be weak.
  • Efficiency: Simplify the upgrades and deployment of applications.

Use cases include remote application distribution and virtualized desktops.

  • Dekstop Virtualization:

VDI gives users access to virtual desktop environments. Every user gains access to a virtual desktop that is stored on a cloud or central server.


  • Mobility: Use any device to access your desktop.
  • Security: Control and data centralization.
  • Share resources among virtual desktops to maximise resource efficiency.

Use cases include call centres, education, and remote employment.

  • Data Virtualization:

By abstracting data access, data virtualization enables users to query and work with data from several sources as though it were all in one place.


  • Integration: Merge information from many sources (files, databases, and APIs).
  • Real-time Access: G et data without having to copy or move it physically.
  • Agility: Be able to quickly adjust to evolving data needs.

Use cases include data federation, analytics, and business intelligence. To conclude, the benefits of virtualization in cloud computing is replacing real operating systems, servers, storage devices, and network resources with virtualized counterparts. It provides flexibility, reduces constraints associated with physical servers, and abstracts hardware functions into software. As modern IT systems rely on virtualization, it plays a crucial role in maximizing hardware utilization and efficiency.

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