Packets and layers

لم يُترجم بعد؛ يُعرض باللغة الإنجليزية

Networks split the job of sending a message into layers, and each layer wraps the message in its own envelope. Follow one 38-byte web request as TCP, IP and Ethernet each add a header on the way down, it crosses the cable as bits, and the receiver unwraps it layer by layer.