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The idea is to send a message to several recipients at once. On the backbone of the network, a message might be sent only once; later, when the paths to the recipients separate, several copies are made. This can help save bandwidth of the internet backbone (or other, smaller, networks), in certain circumstances. Multicasting is especially useful if the same information is to be sent to all recipients at the same time. A typical case might be a live radio or television broadcast over the Internet.

The idea is to send a message to several recipients at once. On the backbone of the network, a message might be sent only once; later, when the paths to the recipients separate, several copies are made. This can help save bandwidth of the Internet backbone (or other, smaller, networks), in certain circumstances. Multicasting is especially useful if the same information is to be sent to all recipients at the same time. A typical case might be a live radio or television broadcast over the Internet.

The idea is to send a message to several recipients at once. On the backbone of the network, a message might be sent only once; later, when the paths to the recipients separate, several copies are made. This can help save bandwidth of the Internet backbone (or other, smaller, networks), in certain circumstances. Multicasting is especially useful if the same information is to be sent to all recipients at the same time. A typical case might be a live radio or television broadcast over the Internet.

The idea is to send a message to several recipients at once. On the backbone of the network, a message might be sent only once; later, when the paths to the recipients separate, several copies are made. This can help save bandwidth of the Internet backbone (or other, smaller, networks), in certain circumstances. Multicasting is especially useful if the same information is to be sent to all recipients at the same time. A typical case might be a live radio or television broadcast over the Internet.

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