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Series
Introduction The internet is basically a huge network of computers constantly sending tiny chunks of data to each other. But without rules, this data would arrive out of order, get lost, or collide wi
Introduction Imagine two people trying to talk on a phone call without saying “hello” first, without taking turns, and without confirming what they heard. Messages would overlap, get lost, or be misun
Introduction Before your backend server handles an API request or your frontend loads a web page, data has to travel through a chain of physical network devices. These devices move bits across cities,
Introduction When you send a request to a server using cURL, the server doesn’t just send back data blindly. It returns a structured response that tells you what happened, what kind of data you got, a
Introduction DNS is a magical system powering the web invisibly. When you enter youtube.com in your browser, your browser does not know where to get the data to load up the YouTube website and render
Introduction Imagine you’re sitting down for dinner and you open youtube.com on your phone, laptop, or TV to watch something while enjoying your meal. Now, unless you’ve been living under a rock, you
