IP addresses uniquely identify devices on a network from "summary" of Data Communications and Networking by Behrouz A. Forouzan
When devices are connected to a network, they are assigned a unique identifier known as an IP address. This IP address serves as a way to distinguish one device from another on the network. It is similar to how a home address uniquely identifies a particular residence in a neighborhood. Without IP addresses, devices on a network would not be able to communicate effectively with each other. Think of IP addresses as the digital equivalent of a phone number. Just as each person has their own phone number that allows them to be reached by others, devices on a network have IP addresses that enable them to send and receive data. This addressing system is crucial for ensuring that data packets are routed to the correct destination on the netw...
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