AT&T to Virtualize 75 Percent of its Network by 2020

AT&T is also making extensive use of open-source in order to enable its network transformation.

“OpenStack and other open-source software platforms are central to our transformation,” Donavan said.

Donovan noted that AT&T also works with OPNFV, OpenDaylight, ON-Lab, Open Contrail, the Open Container Initiative (OCI) and the Cloud Native Computing Foundation (CNCF).