How a Router Makes a Packet Forwarding Decision: A Step-by-Step Guide with Advanced Insights 2025
Routers are the traffic directors of the internet, guiding data packets to their destinations with precision. But how exactly do they decide where to send each packet? This guide’ll break down the router packet forwarding process, explore advanced concepts like Longest Prefix Match and Administrative Distance, and reveal how modern innovations like SDN (Software-Defined Networking) reshape routing. By the… Read more