How we evolved Google’s global and data center networks for the AI era

Over the last 25 years of building Google’s global network, we’ve navigated major architectural eras — from the Internet, to streaming, and the cloud. Today, we are squarely in the midst of a fourth: the AI era. The applications in the AI era are fundamentally different from the consumer and enterprise applications of the previous eras and impose a set of novel and demanding requirements — on compute resources, of course, but also on the network.