The Blog

It’s been almost a decade since SD-WAN burst onto the scene, and the service is undeniably a critical component of today’s enterprise WAN. 

The core benefits associated with SD-WAN technology are consistent across all provider offerings—reduced cost and network complexity, ease of upgrades and policy changes, increased flexibility and network performance, and increased visibility into application performance.

But a dizzying array of SD-WAN service options still remain in the market.

Providers continue to add new service and security features to distinguish themselves in a crowded marketplace. And this multitude of different service options are reflected in the range of reported prices in the market.

Luckily, there is a light at the end of the tunnel: TeleGeography’s 2025 SD-WAN Vendor Guide.

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Brianna Boudreau

In May, U.S. cable giants Charter Communications and Cox Communications entered into a definitive agreement to combine their businesses in a “transformative transaction” that will create an industry leader in the U.S. cable sector. 

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Tom Leins

It’s been a couple of years since we reviewed the state of the 2G and 3G mobile markets to see how network closures were coming along.

There has been plenty of activity since then, and 2025 is shaping up to be a busy year for shutdowns.

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Pete Bell

In this episode of the TeleGeography Explains the Internet podcast, FCC Commissioner Nathan Simington joins the show for a deep dive into the evolving world of spectrum allocation, broadband infrastructure, submarine cable policy, and cybersecurity. With a unique background in finance, law, and policy, Simington offers an interesting perspective on the complexities of the current telecom environment and where federal policy is headed.

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Greg Bryan

“Everyone’s getting rid of it.”

That’s how one carrier I spoke with described aging technologies like SONET/SDH and TDM.

Another used the term “accelerated outphasing,” while a third opted for a simple “RIP.”

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Rob Schult

Can you stop a cable break before it happens? We know how and why cable faults occur, but could damage be mitigated beforehand?

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Jayne Miller

What's shaping the trajectory of the global bandwidth market? To answer that question, we identified four significant trends worth watching within our recently updated Transport Networks Research Service.

To understand the future of long-haul capacity demand and pricing, bookmark these industry headlines. 

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Jon Hjembo

Which cities are the most connected, and which ones are the fastest growing for internet infrastructure? Every quarter, we assess the top 10 cities with our Market Connectivity Score—an interactive tool in our Data Center Research Service that tracks 45 different data points for every city: data center power, number of ASNs peering locally, cloud onramps, and more.

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Jon Hjembo