There's a subtle difference between broadcasting and multicasting: every host on a network sees a broadcast packet, but multicast data is only picked up by the machines that WANT it. Typical uses for this are live streaming of audio or visual data.
SCO systems automatically configure a multicast route:
Routing tables Destination Gateway Flags Refs Use Interface 127.0.0.1 127.0.0.1 UH 3 8448275 lo0 192.168.2 192.168.2.10 UC 1 0 net0 192.168.2.10 127.0.0.1 UGHS 4 57 lo0 224 192.168.2.10 UCS 0 0 net0
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More Articles by Tony Lawrence © 2011-07-06 Tony Lawrence
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