Citrix's XenApp, which adds various enhancements, transfers keyboard, mouse and screen data between the clients and servers using the Citrix ICA protocol. The IT infrastructure in Thin Clients environments is simplified, with a terminal server that fulfills tasks like data processing and storage, acting as a host. Microsoft's Terminal Services use the Remote Desktop Protocol (RDP). Terminal Services Use RDP and ICA Protocols See thin client and centralized processing. With this latest RDP client, Microsofts RemoteApp functionality can be used by both IGELs Microsoft Windows Embedded and Linux thin client customers. Terminal Services uses Microsoft's Remote Desktop Protocol (RDP) to govern keyboard, mouse and screen transfer. If the RDP client is run on a computer running Windows NT 4.0 (Server, Workstation, or Terminal. This is necessary because the Terminal Server Client effectively provides a Windows NT Workstation to the client. The first license is a Windows NT Workstation license. The user's machine can be a fully loaded PC, bare-bones PC or dedicated terminal, all of which function as input/output (I/O) terminals and share the same OS and applications running in the server. Terminal Server Clients require two licenses to connect to a Terminal Server. Like the days of mainframes, Terminal Services supports multiple users connected to a central computer. Introduced in Windows NT 4.0 in 1996, as of the 2009 launch of Windows Server 2008 R2, Terminal Services became part of Remote Desktop Services (RDS), and specifically, the 'shared sessions' method in RDS (see Remote Desktop Services). Terminal ServicesA multiuser, thin client environment for Windows servers from Microsoft.

Windows terminal server thinclients