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AT&T white box switch rollout nears its halfway point

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AT&T white box

AT&T

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  • AT&T intends to have 50% of its core backbone traffic running on white box switches by 2022.
  • White box deployments are part of AT&T’s SDN, virtualization, and openness commitments.
  • The CTO who was leaving praised Igal Elbaz and his team for separating the core backbone’s hardware and software.
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AT&T EVP and CTO of network services Andre Fuetsch told Mobile World Live (MWL) that the operator intends to have 50% of its core backbone traffic running on white box switches and open hardware by 2022, boosting its software-defined networking (SDN) and virtualization goals.

Fuetsch said white box deployments are part of AT&T’s SDN, virtualization, disaggregation, and openness commitments.

AT&T started installing white boxes in 2017. Standardized hardware and network OS software control them.

OEMs can build devices with open software more quickly than with proprietary systems because they can use common hardware reference designs.

“Operators around the world are using those precise designs, and we can run any software we want,” Fuetsch said.

The CTO who was leaving praised Igal Elbaz and his team for separating the core backbone’s hardware and software.

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Fuetsch’s replacement, Elbaz, will start next month.

Fuetsch said MWL white box deployments and other work to virtualize AT&T’s network activities were “part of a long journey to position us for one of the major industry shifts, the virtualization of the RAN.”

He said AT&T’s action would be “near future”.

Elbaz called Fuetsch a “industry classic” and said AT&T will focus on combining its fibre and wireless networks to create low-latency services.

AT&T is dedicated to the Open Compute Project, Open Networking Foundation, and Linux Foundation, and Elbaz will replace Fuetsch on the O-RAN Alliance board.

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