The RS&I Dealer Download: "Lumen Is Rebuilding the Internet for AI"

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Earlier this year, Lumen completed the $5.75 billion sale of its consumer fiber-to-the-home business across 11 states to AT&T. Looking at that transaction alone, it would be easy to assume Lumen was pulling back from fiber.

The bigger picture tells a very different story.

Lumen says it had deployed roughly 17 million intercity fiber miles by the end of 2025. The company is targeting 47 million by the end of 2028 and approximately 58 million by 2031. At the same time, Lumen is investing in Network-as-a-Service, cloud networking, automation, and software designed to make that physical infrastructure more flexible.

A major reason behind that strategy is artificial intelligence. AI infrastructure doesn't stop at GPUs and data centers. Massive amounts of information have to move between clouds, data centers, AI workloads, offices, and edge environments. That creates a different networking challenge, and Lumen is betting that the network itself needs to become more programmable to handle it.

What You’ll Learn in This Episode

Lumen Didn't Get Out of Fiber

Selling its consumer fiber-to-the-home assets to AT&T represented a significant change in Lumen's business, but it did not mean abandoning fiber infrastructure.

Lumen retained its national, regional, state, and metro backbone infrastructure. Its strategy is increasingly centered on enterprise connectivity and the infrastructure required to move enormous amounts of data between businesses, data centers, cloud environments, and AI workloads.

AI Needs More Than Compute

Much of the AI infrastructure conversation focuses on GPUs, computing capacity, electricity, and data centers.

But those systems also need to communicate with one another. Training, inference, cloud applications, enterprise systems, and distributed computing environments can generate enormous amounts of network traffic.

That makes connectivity another critical piece of AI infrastructure.

Enterprise Bandwidth Requirements Are Growing

Research from IDC cited by Lumen found that 37% of surveyed enterprises experienced bandwidth requirements increasing by more than 50% year over year.

Another 29% reported difficulty aligning their networks with AI workloads.

Those figures illustrate the challenge. Businesses aren't simply asking for faster internet connections. They're dealing with increasingly complex environments where traffic needs can change rapidly depending on applications, workloads, and where computing resources are located.

Lumen Is Dramatically Expanding Its Intercity Fiber Network

Lumen says it had approximately 17 million intercity fiber miles deployed at the end of 2025.

Its target is 47 million by the end of 2028 and approximately 58 million by 2031.

That expansion reflects a simple reality about digital infrastructure: software can make networks more intelligent, but enormous amounts of physical fiber are still required to move data between major computing environments.

Enterprise Traffic Is Becoming More Complex

A traditional business network might connect an office to the internet, several branches back to headquarters, and the organization to a data center.

Today's enterprise environment can involve AWS, Microsoft Azure, Google Cloud, private data centers, SaaS platforms, remote offices, edge computing, and AI infrastructure simultaneously.

Data increasingly needs to move between those environments rather than simply traveling from an office to one centralized destination and back.

Network-as-a-Service Changes How Connectivity Is Purchased

Traditional enterprise connectivity can require ordering circuits, provisioning services, configuring equipment, and waiting for changes to be implemented.

Network-as-a-Service introduces a more flexible model.

Instead of treating network capacity as something relatively static, businesses can increasingly provision and manage connectivity through digital interfaces. Lumen reported surpassing 3,000 Network-as-a-Service customers during the second quarter of 2026, showing growing interest in this model.

Alkira Adds a Software Layer to Lumen's Network Strategy

Lumen's acquisition of cloud-networking company Alkira helps explain another piece of its strategy.

Alkira provides software for connecting cloud environments, data centers, sites, partners, and other infrastructure. Combined with Lumen's physical network, that creates the possibility of managing complex connectivity through a software control layer.

The fiber still carries the data. Software increasingly determines how that connectivity is configured and used.

Intelligent Internet Brings Cloud Economics to Connectivity

Lumen's Intelligent Internet offering pushes this idea further by allowing enterprise customers to scale bandwidth as their requirements change.

The New York Yankees provide an interesting example. Yankee Stadium requires significantly more network capacity around games and events than it does when the facility is closed.

Instead of permanently maintaining capacity for peak demand, a programmable network can potentially increase capacity when it's needed and reduce it afterward.

That's similar to what cloud computing did for compute resources: use more when you need more and scale back when you don't.

APIs Could Become Part of the Network

One of the biggest changes may be how businesses interact with connectivity itself.

APIs can allow applications and software platforms to request network resources without someone manually initiating every change. As networking becomes more programmable, connectivity can potentially respond to business and application requirements dynamically.

That moves the network closer to the operating model businesses already expect from cloud infrastructure.

Physical Infrastructure Isn't Going Away

Programmable networking doesn't eliminate the need for fiber.

It arguably makes physical infrastructure even more important.

AI workloads can generate tremendous amounts of data, and software cannot move that information without the underlying network capacity. The emerging model combines massive physical infrastructure with software capable of controlling it more dynamically.

Strategic Takeaway

AI infrastructure is often discussed as a race for GPUs, electricity, and data centers. Lumen's strategy highlights another layer of that race: the networks connecting everything together.

That helps explain why selling a consumer fiber business and dramatically expanding an intercity fiber network aren't necessarily contradictory strategies. They serve different parts of the connectivity market.

Lumen is positioning itself around enterprise infrastructure while simultaneously trying to make that infrastructure behave more like cloud computing. Network-as-a-Service, Alkira, Intelligent Internet, APIs, and an expanding fiber backbone are different pieces of that same strategy.

For telecom professionals and Authorized Dealers, there's a broader lesson here. The value of connectivity is becoming more sophisticated than a simple conversation about download speeds. Businesses increasingly need help connecting locations, cloud environments, applications, data centers, remote operations, and potentially AI workloads.

The physical network isn't disappearing. It's becoming programmable.

And the next major change in enterprise internet may not be another number on a speed test.

It may be the moment the network starts behaving like software.