In the Internet, what makes UDP a preferred option to carry multicast traffic? Why isn’t TCP suitable for multicasting? Explain.
Multicasting means sending and receiving data to/from multiple clients or group of computers. Now as in TCP we need to make a connection with the client (3-way handshaking) before transmitting data, it has to make a connection with each and every client before transmitting data. Moreover, if one of the connection fails then we have to stop the transmission for the entire multicast group. To increase efficiency and to transmit data faster we use UDP over TCP in multicasting as UDP is a connectionless protocol.
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