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The VNC protocol

The VNC system is based on the concept of a remote framebuffer or RFB.   We therefore often refer to the protocol underlying VNC as the RFB protocol.

Additional encodings

Various people have developed their own encodings for VNC. These new encodings shouldn't break compatibility with other VNC servers and viewers, since a server can always ignore a request for an encoding, and a viewer never gets sent an encoding it doesn't request. However it's important that people don't use the same encoding number for different purposes. Here is a list of the encoding numbers which we know people are using. If you come up with a new encoding let us know and we'll add it to the list.

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