Virtual Network ComputingVirtual Network Computing

Sangmi Lee

Oct,25,2000

Florida State University

Oct,25,2000Sangmi Lee Florida State

University

What is VNC?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. 

Oct,25,2000Sangmi Lee Florida State

University

What are key Features?What are key Features?

Small and simplePlatform-independentNo state is stored at the viewerSharable

Oct,25,2000Sangmi Lee Florida State

University

VNC featuresVNC features

Collaborative VisualizationEvent handlingJava viewerSecure VNC using SSHCORBA interface

Oct,25,2000Sangmi Lee Florida State

University

VNC screenshotsVNC screenshotsA Windows machine being viewed from a native X viewer.

A Windows desktop being used from within Netscape on a Unix machine

Oct,25,2000Sangmi Lee Florida State

University

VNC screenshotsVNC screenshots

An X desktop being viewed from a native PC viewer

An X desktop being viewedfrom Microsoft Internet Explorer on a PC.

Oct,25,2000Sangmi Lee Florida State

University

VNC screenshotsVNC screenshots

A Unix desktop being accessed from a native Macintosh viewer

A Unix desktop being accessedfrom a Macintoshusing Java

A Windows desktopbeing accessed from a Macintosh using Java.  

Oct,25,2000Sangmi Lee Florida State

University

VNC in Distributed classroomVNC in Distributed classroom

VNC Server

Hand-held device

Student

Student

VNC Client

VNC Client

Instructor

VNC Client

Network

- Unix - Windows NT - Macintosh - Hand-held device

Oct,25,2000Sangmi Lee Florida State

University

VNC in Distributed classroomVNC 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 - Hand-held device

Oct,25,2000Sangmi Lee Florida State

University

Applying VNC Applying VNC

Using Open source codeVisualization server moduleImproved (multi-cast) performance for VNC