Virtual Network Computing (VNC)

Discussion in 'Engineering Concepts' started by vishal sharma, Jul 26, 2004.

  1. vishal sharma

    vishal sharma New Member

    Jul 23, 2004
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    What is VNC? - A practical introduction

    VNC stands for Virtual Network Computing. It is, in essence, a remote display system which allows you to view a computing 'desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures.

    Many of us, for example, use a VNC viewer running on a PC on our desks to display our Unix environments which are running on a large server in the machine room downstairs.

    What makes it different from other systems?

    For this simple mode of operation, you could achieve a similar effect by installing an X server on your PC. The important factors which distinguish VNC from other remote display systems such as X are as follows:

    No state is stored at the viewer. This means you can leave your desk, go to another machine, whether next door or several hundred kilometers away, reconnect to your desktop from there and finish the sentence you were typing. Even the cursor will be in the same place. With a PC X server, if your PC crashes or is restarted, all the remote applications will die. With VNC they go on running.

    It is small and simple. The Win32 viewer, for example, is about 150K in size and can be run directly from a floppy. There is no installation needed. It is truly platform-independent. A desktop running on a Linux machine may be displayed on a PC. Or a Solaris machine. Or any number of other architectures. The simplicity of the protocol makes it easy to port to new platforms. We have a Java viewer, which will run in any Java-capable browser. We have a Windows NT server, allowing you to view the desktop of a remote NT machine on any of these platforms using exactly the same viewer. (The NT server is not multi-user ). And other people have ported VNC to a wide variety of other platforms. Click the 'Contributed' button on the left for details.

    It is sharable. One desktop can be displayed and used by several viewers at once, allowing CSCW-style applications.
  2. x2040

    x2040 New Member

    Oct 14, 2004
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    as i think that you have a good understanding of the engineering concepts

    i have a question
    do you have any idea about the concept of the "Virtual CD drive" software how it works and how it may be implemented

    "Virtual CD Drive" : software that simulate a CD Drive on your computer and enables .
    like this one :
  3. alok

    alok New Member

    Jul 24, 2004
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    S/W Engg
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    I have a Product name VNC server ;D ,but it provide support of remote desktop in Windows ;d

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