Citrix Systems MetaFrame MetaFrame Presentation Server Instrukcja Użytkownika Pobierz pdf (Strona 27)

FirePass® Deployment Guide 26

Appendix A: Overview of Citrix

Citrix Presentation Server (formerly Citrix MetaFrame) is a remote

access/application publishing product built on the Independent Computing

Architecture (ICA), Citrix Systems' thin client protocol which allows a user

to browse applications in ICA program neighborhood client.

The Microsoft Remote Desktop Protocol, part of Microsoft's Terminal

Services, is based on Citrix technology and was licensed from Citrix in

1997. Unlike traditional frame-buffered protocols like VNC, ICA transmits

high-level window display information, much like the X11 protocol, as

opposed to purely graphical information.

Networks that use this software are reminiscent of the mainframe-terminal

system, where a central powerful computer does most of the processing

work and smaller, much less powerful machines provide the user interface.

The Presentation Server product resides on a Microsoft Windows machine,

which can be either standalone or part of a larger cluster of Citrix servers.

Presentation Server also supports three UNIX variants: HP-UX, Solaris, and

AIX. It is important to note that in addition to per-user Citrix licensing, there

must exist a Terminal Server CAL and a Windows Server CAL from

Microsoft for each client connection. Both products must be adequately

licensed for the environment to function correctly. There is a web-based

Citrix server component, freely available under the name Web Interface.

The Web Interface may be used as a secure ICA proxy over HTTPS when

combined with Citrix Secure Gateway (courtesy wikipedia).

Web Interface/WI (nFuse): Web portal based interface to Presentation

Server in which you can browse applications in browser - ICA web client.

Program Neighborhood Agent requires the WI to retrieve published

applications. NFuse Classic has been integrated as a feature in MetaFrame

XP. It is now called the Web Interface for MetaFrame XP.

ICA Clients are the components of MetaFrame XP that users run on their

computers to access applications running on MetaFrame XP servers.

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Citrix Systems MetaFrame MetaFrame Presentation Server Instrukcja Użytkownika Strona 27