Google's Espresso networking tech takes SD-WAN to internet scale

Google is working to accelerate the performance of its applications over the internet by building out a software-defined network at broad scale. On Tuesday, the company announced Espresso, a system that provides increased network performance to users of the company’s applications.It works by applying software-defined networking to the edge of the tech titan’s network, where Google connects to the peer networks of other internet service providers. Rather than rely on individual router