The world has been progressing way faster than ever since beginning of the 21st century. Technologies which were once considered the future are going obsolete within a decade of their development. Under such circumstances, confusing Virtualization and Cloud Computing is indeed a foolish thing to do. Virtualization and Cloud Computing are the two terminologies which are often used interchangeably because of their resounding similarities, but this isn’t permitted in the current scenario where accuracy is the prime focus. This difference is significant enough to make the most of the computer resources in an effective manner.
The first and the foremost difference is that while virtualization can be used to provide cloud computing, cloud computing does not guarantee the same. It can be understood by a simple example where we can relate things with our basic knowledge and understanding of geometry. While it is always considered always true that a square is a rectangle under all circumstances, the converse may not always be true. Virtualization is a software technology that can control and manipulate the hardware while cloud computing is a service whose foundation is powered by virtualization.
Virtualization is thus an abstraction layer in which the operating system is abstracted from the hardware. To simplify further, virtualization can be assumed to be software that separates physical infrastructures and enables multiple operating systems and multiple applications to be executed on the same server at the same time. On the other hand, Cloud Computing is a mobile, flexible and convenient method to store and access data and applications on virtual servers. It provides APIs that handles all automation for communicating with the hypervisor. Products can be accessed via API calls or control panels.
Virtualization and cloud computing blend together can work wonders to make the most of the resources provided and thus creating a greater probability of success. Cloud Computing services are built on top of a virtualization layer which help the service providers to manage the service and offer standardized platform to the users and allow rapidly scale computing resources.
Virtualization stimulates the use of cloud computing technology in businesses by providing better control, flexibility and high productivity. It also provides security which is the prime concern these days considering the identity theft and cyber crime rates. The security is top-notch, meaning that even If a hacker hampers one service then it does not necessarily mean he will have access to other services or the entire system. One more advantage of virtualization is its portability. As it is already known that virtualization technique is flexible. Due to this feature we can create our own virtual machine according to the service required. The configuration of this virtual machine resides in a few files which can be easily managed.
One of the big market names, Bluecat Networks has even unifed traditional data center and cloud compute as an initiative towards virtualization.
Virtualization ensures the optimal use of hardware or physical resources of an organization which indeed leads to reduced costs. The ongoing manual and time consuming process can be replaced by automating operations thus saving the operational expenses.
Virtualization also provides the feature that allows user to run multiple applications or operating systems for the same physical system.
Virtualization ensures the effective and optimal use of available resources. It optimizes cloud infrastructure to ensure efficient resource utilization so as to give the best results. It empowers organizations to operate multiple virtual servers on a single host without employing extra administrators thus increasing the efficiency and also the speed of the performance.
Virtualization provides an abstraction layer. The OS no longer has to be bound to the server or PC that it runs on. In this way it enables cloud computing overcome the complexities of operating system.
Virtualization thus optimizes the overall cloud computing experience. It enables mapping of one resource into several logical divisions. In the near future the combined technology will make it possible for high volume, industry standard systems to be deployed for everything like decision support, collaborative environments or high performance modeling. Applications and data will be more secured and reliable thus helping organizations at their best. In this way if virtualization and cloud computing are coupled together considering their pros and cons, can lead to efficient performance and thus success.
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