Java Tech Enthusiast

Jan 17, 2026 · Fundamentals

How Ethernet Evolved from Shared Coax to Modern Gigabit Networks

This article traces Ethernet's transformation from its early shared‑medium, half‑duplex coaxial designs with CSMA/CD rules to today's high‑speed, full‑duplex switched networks, highlighting key technologies like the vampire tap, 10BASE5 "yellow thick" cable, AUI, and the reasons behind the shift to twisted‑pair and fiber.