multicast addressing

Ethernet addressing scheme used to send packets to devices of a certain type or for broadcasting to all nodes. The least significant bit of the most significant byte of a multi-cast address is one.

Nearby terms:

MultiCal Systemmulticast addressingmulticast backboneMulti-channel Memorandum Distribution Facility

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multicast backbone

(MBONE) A virtual network on top of the Internet which supports routing of IP multicast packets, intended for multimedia transmission. MBONE gives public access desktop video 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.

Last updated: 1994-10-27

Nearby terms:

multicast backboneMulti-channel Memorandum Distribution Facility

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