dipan-roy-choudhury.hashnode.devTCP Working: 3-Way Handshake & Reliable CommunicationHow TCP Works: The Internet’s Reliable Delivery System (Explained Simply) Imagine sending important information on the internet without any rules. Messages could arrive late.Some parts could be missing.Order could be mixed up.You would never know if ...Jan 30·4 min read
dipan-roy-choudhury.hashnode.devHow a Browser Works: A Beginner-Friendly Guide to Browser InternalsWhat Really Happens After You Type a URL and Press Enter? (How Browsers Work Simply) When we open a browser and type a website URL, everything feels instant. A page loads, images appear, buttons become clickable. But have you ever asked yourself: 👉 ...Jan 30·3 min read
dipan-roy-choudhury.hashnode.devHow DNS Resolution WorksHow DNS Really Works Using dig — From Root Servers to Google.com (Simple Guide) We already know that DNS is the phonebook of the internet. It converts domain names into IP addresses. But have you ever wondered: 👉 How does DNS actually find the answe...Jan 30·4 min read
dipan-roy-choudhury.hashnode.devTCP vs UDP: When to Use What, and How TCP Relates to HTTPTCP vs UDP vs HTTP — How Data Actually Travels on the Internet (Simple Explanation) When we use the internet, we just click buttons and open websites. But behind the scenes, data is moving between computers all the time. To make this possible, the in...Jan 30·4 min read
dipan-roy-choudhury.hashnode.devUnderstanding Network DevicesHow the Internet Reaches Your Home: Modem, Router, Switch, Firewall & Load Balancer Explained Simply Have you ever wondered what actually happens when you connect to the internet? You plug in WiFi, open a website, and everything just works. But behin...Jan 30·4 min read