HELP! * GREY=local LOCAL HTML version of Foils prepared 17 Feb 1997

Foil 6 Multicast support on LANs

From MultiCast Technologies and Rationale Large Web Application Class, CPS600/640 Fall 1997 -- Fall Semester 97. by Marek Podgorny * See also color IMAGE
Most popular LAN technologies support multicast at their data link layer: Ethernet, FDDI, Token Ring. They however use different technologies to achieve the same functionality
  • An individual computer can listen to a unicast address, several multicast addresses, and the broadcast address on Ethernet and FDDI segments.
  • Token Rings have functional addresses that can be used to address groups of receivers.
Many multipoint applications are valuable precisely because they are not limited to a single LAN.
On internets using mixed data link technologies and other networking technologies, multicast must be implemented at the network layer.

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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