1. Virtual Network Computing VNC
Sangmi Lee
Florida State University
Department of Computer Science and
CSIT (School of Computational Science and Information Technology)
400 Dirac Science Library
Tallahassee
Florida
11/16/2018

2. What is VNC? Virtual Network Computing.
Remote display system to view a computer from anywhere on the Internet and from a wide variety of machine architectures. 
Mainly aimed at remote administration – with opoosite scenario from education – namely display taken from client to “master” not vice versa as in education
11/16/2018

3. What are key Features? Small and simple Platform-independent
No state is stored at the viewer
Sharable
11/16/2018

4. VNC features Collaborative Visualization Event handling Java viewer
Secure VNC using SSH
CORBA interface
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5. VNC screenshots A Window desktop being used from other desktop.
A Windows desktop being
used from within Netscape on
other desktop.
11/16/2018

6. VNC screenshots A PC desktop being viewed from a Linux viewer
from Navigator on a Linux
Machine.
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7. VNC screenshots A Unix desktop being accessed from a Macintosh
from a native Macintosh viewer
A Windows desktop
being accessed from
a Macintosh using
Java.
A Unix desktop
being accessed
from a Macintosh
using Java
11/16/2018

8. VNC in Distributed classroom
Student
VNC Client
Instructor
Network
Student
VNC Server
VNC Client
- Unix
- Windows NT
- Macintosh
- Hand-held device
Hand-held device
VNC Client
11/16/2018

9. VNC in Distributed classroom
Lecture tool in the distributed classroom
Collaboration tool for group of students
Instructor
- Monitor
- Hand-held device
Student
- Monitor (Unix, Windows, Macintosh)
- Java capable browser
11/16/2018

10. Applying VNC Using Open source code Visualization server module
Improved (multi-cast) performance for VNC
On the Palm, a new relelease much improves VNC
11/16/2018

11. PalmVNC Version 1.4
Ultra-thin client uses less than 40Kb of Palm memory.
VNC servers available for a wide variety of platforms.
Desktop displayed in colour on Palm IIIc devices.
Desktop displayed in 4- or 16-shade greyscale on other devices.
Supports server-side scaling to reduce bandwidth.
Can be stored in Flash memory using TRG's FlashPRO.
Freeware, with full source available under GNU GPL.
11/16/2018