![]() ![]() Although this computing resource can technically be a physical desktop, virtual machines are a more common choice.įor on-premises deployments, a hypervisor hosts the virtual machines that will deploy as VDI. First and foremost, IT must present a computing resource to the user. VDI requires several distinct technologies working in unison to successfully present a virtual desktop to a user. When a user enters additional data in a cell, only updated bitmaps are transmitted. The data itself does not populate the user display, but instead shows bitmaps representing the data. For example, if a user is working on a spreadsheet within a VDI session, the user transmits mouse movements and keystrokes to the virtual server or workstation, and bitmaps are transmitted back to the user device. The session protocols listed above minimize and compress the data that is transmitted to and from the user device to provide the best possible user experience. In addition, EDT and Blast Extreme are optimized for User Datagram Protocol ( UDP). PCoIP is licensed from Teradici, whereas Blast Extreme is VMware's in-house protocol. The display protocol, or session protocol, controls the user display and multimedia capabilities, and the specific features and functionality of each protocol vary. Microsoft Remote Desktop can only use RDP. ![]() VMware user sessions can be based on Blast Extreme, PCoIP or RDP. High-definition user experience ( HDX) from Citrix is largely an umbrella marketing term that encompasses ICA, EDT and some additional capabilities.
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