Virtualization in Cloud Computing: Types, Architecture, Advantages

What is Virtualization?

Virtualization can be defined as a process that enables the creation of a virtual version of a desktop, operating system, network resources, or server. Virtualization plays a key and dominant role in cloud computing.

This ensures that the physical delivery of the resource or an application is separated from the actual resource itself. It helps reduce the space or cost involved with the resource. This technique enables the end-user to run multiple desktop operating systems and applications simultaneously on the same hardware and software.

The process also ensures virtual emulation of products or services in the same machine, and it does not slow down or impact the system’s efficiency.

Virtualization as a Concept of Cloud Computing

In cloud computing, Virtualization facilitates the creation of virtual machines and ensures the smooth functioning of multiple operating systems. It also helps create a virtual ecosystem for server operating systems and multiple storage devices, and it runs multiple operating systems.

Cloud Computing is identified as an application or service that involves a virtual ecosystem. Such an ecosystem could be of public or private nature. With Virtualization, the need to have a physical infrastructure is reduced. The terms Cloud Computing and Virtualization are now being used interchangeably, and they are being unified quickly.

Virtualization and Cloud Computing work hand in hand to ensure that you will get advanced and sophisticated levels of computing. It ensures that applications can be shared across multiple network threads of different enterprise and active users.

Cloud Computing delivers scalability, efficiency, and economic value. It offers streamlined workload management systems.

In simpler words, Cloud Computing in collaboration with Virtualization ensures that the modern-day enterprise gets a more cost-efficient way to run multiple operating systems using one dedicated resource.

Characteristics of Virtualization

Virtualization offers several features or characteristics as listed below: –

• Distribution of resources: Virtualization and Cloud Computing technology ensure end-users develop a unique computing environment. It is achieved through the creation of one host machine. Through this host machine, the end-user can restrict the number of active users. By doing so, it facilitates easy of control. They can also be used to bring down power consumption.
• Accessibility of server resources: Virtualization delivers several unique features that ensure no need for physical servers. Such features ensure a boost to uptime, and there is less fault tolerance and availability of resources.
• Resource Isolation: Virtualization provides isolated virtual machines. Each virtual machine can have many guest users, and guest users could be either operating systems, devices, or applications.
  The virtual machine provides such guest users with an isolated virtual environment. This ensures that the sensitive information remains protected, and, at the same time, guest users remain inter-connected with one another.
• Security and authenticity: The virtualization systems ensure continuous uptime of systems, and it does automatic load balancing and ensures there is less disruption of services.
• Aggregation: Aggregation in Virtualization is achieved through cluster management software. This software ensures that the homogenous sets of computers or networks are connected and act as one unified resource.

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