"Internet protocol-based networks, they're almost behind everything we do.

VOA: special.2011.01.24

The internet was built on version 4 of the Internet Protocol (IPv4) which has an upper limit of about four billion addresses.

BBC: Net approaches address exhaustion

With bulked-up networks, they have poached millions of phone companies' subscribers with cheap voice-over-Internet Protocol plans and sell faster Internet lines than the telcos' digital subscriber line services.

FORBES: Magazine Article

At the nexus of the consumer electronics-technology convergence sits Cisco, which makes many of the routers, switches, and other Internet protocol networking products that carry Internet content to the home.

CNN: Set-top boxes, home networking grow up