A user would login remotely to the mainframe using a terminal, sharing the system with dozens of other users, each being allocated part of the processor’s time and memory.Įventually personal computers evolved and each user had their own individual machine at home and one on a desk at work. In the other, rows of terminals or user access. One was the clean room with large, ceiling high mainframe computers. Historyĭuring the early years of computing, there would be two rooms. Currently the two biggest players are Citrix and VMWare. There are four main companies which provide these VDIs: Citrix, VMware, Microsoft’s RDS and PCoIP. Nonpersistent desktops revert to their original state each time the user logs out. Nonpersistent VDI provides a pool of uniform desktops that users can access when needed. Persistent VDI provides each user with his or her own desktop image, which can be customized and saved for future use, much like a traditional physical desktop. There are two main approaches to VDI: persistent and nonpersistent. Today, VMware, Citrix and Microsoft all offer their own VDI platforms. In 2006, Virtualization Desktop Infrastructures (VDIs) began to emerge as an alternative to the server-based computing model used by Citrix and Microsoft Terminal Services. The endpoint may be a traditional PC, thin client or a mobile device.
The desktop image is delivered over a network to an endpoint device, which allows the user to interact with the OS and its applications as if they were running locally. Virtual desktop infrastructure (VDI) is a desktop virtualization approach in which a desktop operating system, typically Microsoft Windows, runs and is managed in a data center. VMware Horizon & PCoIP What are Virtualization Desktop Infrastructures (VDI)? The Ultimate Guide to RDS, Citrix Virtual Apps/Virtual Desktops, Virtualization Desktop Infrastructures Wiki
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