When One Datacenter Is No Longer Enough: Cisco on Scale-Across AI Networking

Cisco SVP Rakesh Chopra discusses the "Scale-Across" approach to networking AI training workloads spread across multiple data centers. He describes how Silicon One architecture and Intelligent Collective Networking aim to manage synchronized GPU traffic over long-distance fiber links. The interview covers power efficiency and hardware-accelerated MACsec and IPsec security.