Virtualization Research Paper
Resource Optimization & Security Issues In Virtualization Abstract
With the growing intent of time availability of resources is declining but the demand for the same is increasing. To cope up the growing demand for resources, Cloud is an emerging technology which is built on the key concept of virtualization. Virtualization simply means running of multiple virtual machines on the same physical machine. It is a term that refers to the abstraction of computer resources. The purpose of virtual computing environment is to improve resource utilization by providing a unified integrated operating platform for users and applications based on aggregation of heterogeneous and autonomous resources. More recently, virtualization at all levels (system,
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Over the past few decades, virtualization technology has witnessed widespread utilization in server space devices & cloud data centres. Virtualization [5-8] is a technique which allows to create abstract layer of system resources and hides the complexity of hardware and software working environment. Virtualization is a software that manipulates hardware. It is a foundation element of cloud computing . It is commonly implemented with hypervisor [9]. It has been instrumental in improving resource utilization in addition to reducing hardware costs. It basically splits up a physical machine into several virtual machines. Fig 1 - …show more content…
It is an emulation of a particular operating system. The end user experience with virtual machine is same as they would have on dedicated hardware. With the help of Virtualization, running of multiple operating systems and multiple applications is possible on the same server & also at the same time. Virtualization technology [10][11] diverts the human's perspective for utilizing IT resources from physical to logical. Fig 2 - Benefits of Virtualization
The figure above is self-explanatory depicting the importance of adopting the technique of virtualization. Without virtualization a single machine is going to use all the resources whereas with virtualization sharing of resources takes place among various machines at a time.
The security concern in virtual environments is that by compromising a host or a guest it could be easy to exploit all virtual systems[15][16][17].
On the basis of licence type, storage support, RAM per host, RAM per VM, live migration, major tools available for Virtualization in the market include:
• VM ware (commercial, Full
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