From the course: Networking Foundations: IP Addressing
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Multicast addressing
From the course: Networking Foundations: IP Addressing
Multicast addressing
- [Instructor] Multicasting is a great, great invention. Remember, when one device on the network is sending information to another device on the network and it is addressed, the data, specifically for the IP address of that recipient, and only that recipient, this is called unicast transmissions. But this would be a nightmare, let's say we had some video stream that we wanted to disseminate to a whole bunch of users on the network. If we had to create multiple copies of that video stream and then send each copy directly to a specific machine, this could really burden the network. So with multicast addressing, the multicast address range is used on these different systems and then one copy of, let's say, that video stream can be disseminated out and that one copy can be delivered as it makes its way through the network just to those systems that want to receive it. Multicasting is often analogous, or often compared to, the…
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