Unicast , Broadcast and multicast communication.

1- Unicast Communication.

2-Broadcast Communication

3-Multicast Communication

1- Unicast Communication - One to One communication

When any one sender sending the information to only one receiver in a network  that is called unicast communication.

e.g.- Web surfing , file downloading.

2-Broadcast Communication- One to all Communication

When one sender sending the information to all devices which are in a same broadcast domain or same network.

e.g.- Arp

3-Multicast Communication- One to many

When one sender sending information to a group of devices in a network that is called multicast communication.

Example : Multicast Windows Deployment Services (WDS) OS deployment traffic, IP TV.

For further details you can find the video below.

Thanks
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