Hubs, Switches, and Routers Explained Like You're Debugging a Real Network

Have you ever connected your laptop to Wi-Fi, opened a browser, typed a URL, and wondered: "How does my message actually reach the right computer?" As developers, we often work with APIs, servers, ports, IP addresses, localhost, Docker networks, cloud servers, and routers. But networking can feel confusing because many explanations jump straight into heavy terms. So let's slow down and make it simple. In this post, we'll understand three important network devices: Hub Switch Router We'll also se