Unicasting : If the message is sent to a single node from the source then it is known as unicasting. This is commonly used in networks to establish a new connection.
Anycasting : If the message is sent to any of the nodes from the source then it is known as anycasting. It is mainly used to get the content from any of the servers in the Content Delivery System.
Multicasting : If the message is sent to a subset of nodes from the source then it is known as multicasting. Used to send the same data to multiple receivers.
Broadcasting : If the message is sent to all the nodes in a network from a source then it is known as broadcasting. DHCP and ARP in the local network use broadcasting.
