Data Centre Magazine March 2026, Issue 41 | Page 114

CREDIT: LUMEN

Lumen is executing one of the most aggressive fibre‐based network expansion strategies in the market, explicitly framed around supporting AI and edge workloads.

By August 2025 the company had deployed over 2.2 million new intercity fibre miles, on track to reach 16.6 million by the year’ s end, as part of a broader goal to add 34 million intercity fibre miles by 2028.
Over the same period, Lumen added more than 5.9 Pbps of capacity, using next‐generation fibre optic cables that can fit twice as many fibres into existing conduits.
This long‐haul expansion underpins a 400G‐enabled network that now spans more than 100,000 route miles, delivering sub‐5ms edge latency across as much as 97 % of US business demand.
Within the data centre landscape, Lumen has also upgraded its US data centre and cloud connectivity network to support Ethernet and IP services up to 400Gbps in over 70 facilities across 16 metro markets, targeting AI‐driven and latency‐sensitive enterprise workloads. The company couples this physical build with flexible services and conduit access products that allow customers and partners to ride its backbone rather than building their own.
For edge‐minded operators, Lumen illustrates how to align physical, optical and service‐layer investments around AI economics.
114 March 2026