Lumen Secures Corning Fiber-Optic Cable to Connect AI-Enabled Data Centers

Aug. 1, 2024
Lumen has reserved 10% of Corning’s global fiber capacity for the next two years, which it will use in its intercity network to provide interconnection among AI-enabled data centers.

Lumen Technologies and Corning Incorporated announced an agreement for a substantial supply of optical-fiber cable. The high-fiber-count cable “will more than double Lumen’s U.S. intercity fiber miles, offering significant capacity to major cloud data centers racing to stay ahead of AI workloads and high-bandwidth applications fueled by massive amounts of data,” Corning said when announcing the agreement.

Corning said Lumen has reserved 10% of Corning’s global fiber capacity for the next two years. It will mark the first outside-plant deployment of Corning’s new gen-AI fiber and cable system, the company added.

“The agreement, Lumen’s largest cable purchase, will equip Lumen to meet network infrastructure needs of major data center operators for years to come, including Microsoft, which announced last week that it’s investing with Lumen to support the rising demand on its data centers,” Corning’s statement added.

“The rapid advancement of generative artificial intelligence requires at least 10 times more fiber connections within data centers, as well as a robust fiber network to transmit information between these data hubs,” according to Corning.

Lumen’s president and chief executive officer Kate Johnson said the company “is the network that delivers AI. The rise of AI is driving technology companies to quickly secure fiber and bandwidth before their competition. With Corning’s innovative solutions, we’re building the backbone of the AI economy. This partnership gives Lumen status as a preferred partner and secures a significant supply of next-generation fiber today and in the future.”

Lumen’s intercity network includes diverse routes to more than 50 cities across the United States. The company described this intracity fiber network as “the largest ultra-low-loss” such network of its kind in North America, adding that it distinguishes its network from others in the industry “by continuously upgrading its infrastructure using a multi-conduit system, allowing for the quick deployment of the latest fiber technology.”

Corning’s chairman and chief executive officer Wendell P. Weeks added, “As generative AI increases bandwidth requirements between data centers, we’re pleased to reach an agreement with Lumen Technologies to provide our latest optical fiber and cable innovations to facilitate Lumen’s build of a new network to interconnect AI-enabled data centers. This marks the first outside-plant deployment of Corning’s new gen-AI fiber and cable system, which will enable Lumen to fit anywhere from two- to four-times the amount of fiber into their existing conduit.”

Lumen is creating a digital platform on top of its physical network, which allows cloud-like consumption of network services. Lumen’s Private Connectivity Fabric is a custom network that includes dedicated access to existing fiber in the Lumen network, the installation of new fiber on existing and new routes, and access to Lumen’s digital services.

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