How Servers Work: A Hands-On Introduction to TCP Sockets
SMRTR summary
Building a TCP server from scratch reveals how all networked programs share the same underlying socket workflow. This hands-on guide walks through the core concepts — sockets, ports, connections, handshakes, and buffering — then implements a working echo server and client in Python, showing exactly why calls like bind(), listen(), and accept() exist and what they actually do.
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