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You are here: Home / CompTIA / Network+ / Section I: Networking Concepts / Chapter 3: IP Addressing / Unicast, Multicast, and Broadcast

Unicast, Multicast, and Broadcast

IP addresses can be divided into three categories, based on how they are used to identify the receiver of a packet:

  • Unicast addresses: These are the most common addresses in regular networks and on the Internet. They identify a single device and Unicast traffic is destined to a unique machine.
  • Multicast addresses: These addresses identify a group of devices in a network (i.e., they don’t identify a single device or all devices). Multicast traffic is commonly used by multimedia applications that must transmit the same packet to multiple destinations. Only devices that are part . . .

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