The Connectivity Business — DOCSIS 4.0, Janus, and the Network War

The single biggest engineering investment at Comcast right now is upgrading the cable network to keep pace with fiber and fixed wireless competitors. DOCSIS 4.0, the Xfinity 10G platform, the Janus virtualization initiative, and the Broadcom AI-powered chipset partnership all sit underneath one strategic question: can Comcast's existing cable infrastructure deliver fiber-like symmetric multi-gigabit speeds before fiber overbuilds catch them? This module gives candidates the technical context to discuss network strategy intelligently.