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July/August 2017, Vol. 1, No. 5

The future of virtualization lies with Remote Desktop Session Host

In the world of desktop virtualization, there are two prevailing technologies: RDSH and VDI. They're based on similar principles, but RDSH has a much longer history and, perhaps, a longer future. Until the mid-2000s, Remote Desktop Session Host (RDSH) was the only show in town, but the advent of virtualization and the possibility of isolating one user from another gave way to VDI. VDI is often the prevailing virtual desktop deployment mechanism today, but it has not replaced RDSH. On the surface, VDI and RDSH are very similar. Users log into a device that connects them via a display remoting protocol to an application or a desktop running in a data center or the cloud. The differences become clear when you look at the server-side infrastructure. VDI provides a single virtual machine to each user, isolating that user and providing them with a unique desktop. RDSH most often shares a single instance of Windows Server with many users. There is less overhead with RDSH because the operating system bits and pieces don't need to be ...

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