Thursday, November 8, 2012

Increasing Data Integrity Using Hosted Virtual Desktops

By Melanie Vaughn


Computer networking as a computing concept has changed the way computing takes place today. This has resulted in techniques like virtualization which is made possible through networking. This approach enables remotely located resources to be availed as if they were physically present. The hosted virtual desktops are an example of how this technique can be implemented.

Generally this client server model to computing has various practical merits. Most of them are gained by the use of certain server operating system applications. This includes the virtual desktop interface (VDI). Besides this there are other data and resource related management applications as well as security enhancement applications. These are critical in supporting networked computing.

By utilizing this component of this operating system an administrator is able to run different and personalized user sessions from the server. The application makes instances of such session which can then be executed from the main computer in shareable mode. In this way a user has a personal computing session executing on the main computer as though it was running on their personal computers.

Generally an important application here enables powerful applications to run on thin client. The server will run in the background and execute such resource hungry applications on behalf of such thin client. The thin client here is a hardware platform that has limited capabilities in terms of processor power as well as main memory. This can typically be a console or a smart phone or such like mobile computing device.

This type of arrangement is referred to as virtualization and is the basis of such applications like the cloud computing. In this way a thin client is able to remotely run applications that have a high processor and memory demand than what has been provided by the thin client. In this way smart phones and other mobile computing devices carry out powerful computing applications. The software hardware and platform are available within such an arrangement at a fee and on demand.

Currently it is possible to remotely carry out computing activities that require powerful hardware. With virtualization the remotely located computer will perform the processing transparently in the background. The results will be transferred back to the thin client on completion. This is necessary because the thin client cannot sustain such an application due to limited resources.

The VDI enabled sessions can be accomplished based on a number of approaches. Typically a centralized approach is where everything runs on the server that is remote to the client. Additionally the remote synchronization approach can also be implemented. In this latter case duplicate copies of the instances are also execute by the client concurrently. Generally such configurations carry on in a transparent manner whereby the user assumes that the applications are executing on the local machine.

The typical application of hosted virtual desktops can involve different administrators logged on to the same server to perform different administrative tasks. The server operating system through the VDI can implement this type of arrangement. Generally each administrator will have their own independent session all of which are running on a single server




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