Computer Networks

From Ethernet's introduction at Xerox PARC to Wi-Fi in every home and IoT sensors everywhere, computer networks form the invisible infrastructure that connects billions of devices—from data centers to your smartwatch.

Explore Network Technologies

1973-Present

Ethernet

Wired LAN standard from 10 Mbps to 400 Gbps

1997-Present

Wi-Fi

Wireless LAN from 1 Mbps to 46 Gbps (WiFi 7)

1998-Present

Bluetooth

Short-range WPAN for personal devices

2002-Present

NFC

Near Field Communication for contactless payments and pairing

1920s-Present

Power Line Communication

Ethernet over power — HomePlug, G.hn, smart grid, in-home networking

2010-Present

LoRa & LPWAN

Long-range, low-power IoT networks

2019-Present

5G Networks

NR, mmWave, network slicing, edge computing

2020-Present

Satellite Internet

Starlink, OneWeb, Kuiper — LEO constellations

2000s-Present

Intra-Body Communication

Using the human body as a transmission medium for wearable devices

1970s-2000s

Token Ring

IBM's token-passing network that competed with Ethernet

1991-Present

Internet of Things

Connected sensors, actuators, smart devices