How Data Finds its Way?

A high-level overview of how packets determine and then traverse the path from their source to destination.

In this lesson, we will look into how clients and servers know where they want to send their data and what protocols exist to ensure each end-system on a network has a unique identity that allows it to be reached by other end-systems.

Internet protocol & IP addresses

Internet Protocol, more commonly known as IP, is a network layer protocol that is responsible for assigning addresses to devices in order to give them unique identities that make them reachable and discoverable. Each device on the Internet has a unique IP address that other devices use to connect with it. You can find your own IP address by using the following command line​ instruction:

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