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Operators are already deploying the first reference designs published by the Open Networking Foundation (ONF). Three of the ONF’s five reference designs have now been made public.
Just over a year ago, eight operators - AT&T, Comcast, China Unicom, Deutsche Telekom, Google, NTT Group, Telefonica and Turk Telekom - took the step to design key components of their edge and access networks after becoming frustrated with what they perceived as foot-dragging by the systems vendors.
AT&T is deploying one of the reference designs - the SDN-enabled broadband access scheme (SEBA). Deutsche Telekom and Telefónica have also said they will deploy SEBA during 2019 and 2020.
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