Advantages of Multicasting
As stated earlier, IP multicasting enables you to send a message to more that one recipient simultaneously. Unlike broadcasting in which all computers receive messages irrespective of whether they require them, in multicasting, computers can choose to receive a message. Multicasting does not affect all computers on the network. Therefore, multicasting prevents unwanted message transmission and avoids clogging of the network. Another important advantage of multicasting is that multicast messages can be forwarded through routers that are multicast-enabled. However, a broadcast message can be sent to all the computers on the local network and not across an internetwork.
Multicasting also helps conserve the bandwidth ...
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