The Anatomy of a Modern Wi-Fi Router

A modern Wi-Fi router has evolved over the years from a simple wireless portal device to a highly sophisticated machine that has at least 2 or 3 Wi-Fi radios, MultiGig Wired LAN and WAN Ports, DHCP Server/Web Servers, Stateful Firewalls, AI engines, Home Media Gateway Functionality, RF Spectrum Analysis, Location Services, Advanced Analytics, Integration with Cloud, VPN Integration etc… The intent of this presentation to show the various functional building blocks of a modern WiFi router starting from the PHY/Baseband blocks, the lower MAC and upper MAC blocks, what functions are run in the Flash memory and what function and services run in the dynamic memory, the other physical interfaces blocks, the CPU/Memory footprint and power consumption footprint of various common operations/functions in a modern Wi-Fi router.