Virtualization is a logical view between computer hardware and software. It includes network, storage, and server virtualization, which offer cost efficiencies and quality assurance. Virtualization was introduced in the 1960s and has since been associated with various computer technologies. It allows for combining underutilized computing stations, running software limited to older operating systems, and creating a virtual machine monitor. Virtualization is becoming the industry’s preferred solution for fulfilling service requirements at a fraction of the cost.
Virtualization is defined as a logical view between computer hardware systems and the software used to manage them. Three terms used to describe the impact of virtualization on computer systems are network virtualization, storage virtualization, and server virtualization. It’s a concept that was originally introduced in the 1960s when the IBM Watson Research Center started the M44/44x project. The aim of the project was to closely evaluate the notion of “time sharing” as it was more commonly known. The M44/44x project examined the practical application of virtualization through the use of virtual machines using virtual memory and multiprogramming.
Since that time, the methodology has been associated with various computer technologies including partitioning, time sharing, machine emulation, simulation, and quality of service. Network virtualization combines available resources by dividing data transfer rate, or bandwidth, into smaller independent channels so they can be assigned to a designated server in real time. In this scenario, virtualization works to camouflage the true complexity of the system by breaking it down into smaller, more controllable pieces.
Alternatively, storage virtualization is the grouping of different physical storage components into what appears to be a single virtual unit which is then managed from a central location. This form of virtualization is commonly used to coordinate storage area networks. Server virtualization allows the network to hide server resources, such as the physical location and identity of servers, processors, and operating systems, from users. The goal is to avoid the user having to interpret, process and administer complicated server transactions, while allowing resource collaboration with the capability to be further developed.
Virtualization offers many benefits that support cost efficiencies and quality assurance deliverables. For example, it can be used to combine the functionality of multiple underutilized computing stations on just a few servers. Virtualization also allows network administrators to run software normally limited to older operating systems or used to protect computing platforms from potentially unstable applications. Also, you can create a virtual machine monitor and use it as a base operating system. These are just some of the benefits IT professionals can benefit from when they apply virtualization management techniques.
While most companies begin their exploration of virtualization with application development and testing, this tool is quickly becoming the industry’s preferred solution. In a competitive marketplace, IT managers are tasked with creatively fulfilling their organization’s service requirements. Virtualization offers businesses a single solution for a variety of business conditions at a fraction of the cost.
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