A Purpose-built Global Network: Google’s Move to SDN
Amin M. Vahdat, David Draper Clark, Jennifer Rexford · Queue · 2015
Everything about Google is at scale, of course -- a market cap of legendary proportions, an unrivaled talent pool, enough intellectual property to keep armies of attorneys in Guccis for life, and, oh yeah, a private WAN (wide area network) bigger than you can possibly imagine that also happens to be growing substantially faster than the Internet as a whole.