One of the big topics of discussion on my recent visit to Citrix's Advanced Products Group office in Sydney was their "portICA" technology. PortICA is the name of the technology that "ports" the ICA protocol stack from Presentation Server / Terminal Server to a workstation OS. In other words, portICA lets you use the ICA protocol to connect to a Windows XP or Vista host acting as the server (for a VDI or blade PC scenario). Citrix is using PortICA instead of the built-in RDP-based remote desktop option in their upcoming XenDesktop product. (Note: All of the portICA technology described in this article is part of Citrix XenDesktop 2, currently in beta, scheduled for a May release.)
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