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Computing (FOLDOC) dictionary
multicast backbone
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(MBONE) A virtual network on top of the Internet which
supports routing of IP multicast packets, intended for
multimedia transmission. MBONE gives public access desktopvideo communications. The quality is poor with only 3-5
frames per second instead of the 30 frames per second of
commercial television. Its advantage is that it avoids all
telecommunications costs normally associated with
teleconferencing. An interesting innovation is the use of
MBONE for audio communications and an electronic "whiteboard"
where the computer screen becomes a shared workspace where two
physically remote parties can draw on and edit shared
documents in real-time.