Linux Tech Enthusiast

Oct 8, 2026 · Fundamentals

Network Hardware Evolution: From Cables to Data Center Architectures

This article traces the historical development of network hardware, explaining how each device—from cables and repeaters to switches, routers, firewalls, and wireless APs—solves specific connectivity, distance, speed, security, and congestion challenges, culminating in modern home, enterprise, campus, and data center network architectures.