In this deep dive session from AWS re:Invent 2022, senior principal engineers JR Rivers and Stephen Callaghan provide an insider's look at the AWS networking infrastructure. They discuss the evolution of AWS networking from its early days to the present, highlighting key innovations in hardware, software, and operational practices. The speakers cover topics such as custom switch designs, advanced routing protocols, network encryption, and automated monitoring systems. They emphasize AWS's focus on security, reliability, and performance, aiming to make the network 'invisible' to customers while supporting massive scale and continuous innovation. The talk offers rare insights into the physical infrastructure underlying AWS services and the engineering principles guiding its development.