Within a thin client environment, all application execution and data processing occur on the server. Applications are displayed on the user’s device via terminal-emulator software which sends keystrokes and mouse movements to the thin client server.
Citrix Presentation Server

Windows applications at the lowest cost. It offers both application virtualization and application streaming delivery methods to enable the best access experience for any user, with any device, working over any network.
By centralizing applications and data in secure datacenters, IT departments can reduce costs of management and support, increase data security and facilitate business continuity.
New Features in Citrix Presentation Server 4.5
The latest offering from Citrix is the newly released Citrix Presentation Server 4.5. New features include:
- Dramatically improve the performance and usability of graphics while providing the speed and anywhere-access flexibility that users need.
- Provide easy, secure application access from locked-down devices
- Track changes made to the Presentation Server farm, by whom and at what time to simplify and accelerate troubleshooting
- Seamlessly join servers into the Presentation Server farms

