Stop Memorizing the PDU names — Understand It Like Amazon Delivery

Introduction While studying for CompTIA Network+, I couldn't totally grasp the PDU names in the OSI model. I could memorize them, but I never understood why the names are what they are. One day, while ordering some items on Amazon, it hit me — the ordering process maps perfectly to the OSI model. So I decided to write it down. What is OSI model The OSI model is a framework that divides network communication into 7 layers. Separating responsibilities by layer makes it easier to identify which lay