IT Explanations

Clear explanations of IT concepts, protocols, architecture and enterprise technologies.

Concepts, protocols and architecture
Infrastructure, cloud and security
Clear explanations and real-world context
For sysadmins, IT admins and MSPs

All Explanations

Understand the technology behind your infrastructure.

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A router connecting the internet to home and office devices, with Wi-Fi, security, traffic routing.

What Is a Router? Definition, How It Works, and Key Use Cases

A router is a network device that forwards data packets between networks based on IP addresses. This guide explains how routers work, the protocols they rely on, and where they're used.

Jul 12, 202616 min readbeginnerEmanuel De Almeida