Comcast Cable has joined the Open Network Operating System (ONOS) and Central Office Re-architected as a Datacenter (CORD) projects, which are both led by ON.Lab.
“Software defined networking and network functions virtualization are powerful, fast-evolving tools for network transformation,” said Dr. Nagesh Nandiraju, Director, Network Architecture at Comcast. “We look forward to bringing our perspective and experience to the fantastic community of technologists already working on these open source projects.”

Other notable members of the ONOS and CORD communities include AT&T, China Unicom, Google, NTT Communications, SK Telecom, and Verizon. Vendors participating in the communities include Ciena, Cisco, Ericsson (ONOS only), Fujitsu, Huawei (ONOS only), Intel, NEC, Nokia, Radisys and Samsung.
http://onosproject.org/2016/11/30/comcast-joins-on-lab-open-source-projects/