the.com/traffic routing
deciding which packet, car, or request gets the fast lane and which gets punished.
means the process of directing data or vehicles along the best available path based on rules, load, or conditions.
from born in circuit-switched telephone networks, then reborn with tcp/ip, where routers had to guess the internet's shortest path in real time.
internet versionbgp routes traffic between every network on earth
failure modeone bad route can black-hole entire countries
load balancingoften just routing pretending to be fair
latency obsessionmilliseconds saved can be worth millions