Networks

Mar 12, 2025

Data Centers 101: Technical Terms You Should Know

From cross connects to PUE, the data center industry is packed with technical jargon.

Today, we’re breaking down 13 key colocation terms. Whether you're new to the field or just need a refresher, this simple glossary can help.

Mar 4, 2025

It’s Time To Learn About Latency

Latency is a term that’s frequently cited when discussing long-haul networks. But what is it really?

Feb 27, 2025

How Many Submarine Cables Are There, Anyway?

Subsea cables power the internet under oceans all over the world. But how many cables are there?

Feb 19, 2025

Evaluating Interconnection Market Health

What makes a city a hub? And what makes a hub healthy?

Before we answer these questions, we must acknowledge that the interconnection market is not a homogeneous thing. It's an ecosystem comprised of numerous critically interdependent parts, much like a body or a machine.

Feb 17, 2025

The State of the Network: Your 2025 Update on the Telecom Industry

Hello, gentle readers, and welcome to the 2025 State of the Network Report—our eighth edition.

The TeleGeography team spent the last year compiling market surveys, building algorithms, and analyzing emerging trends, and now we're ready to share the highlights. 

Feb 6, 2025

The Podcast Goes Dark! (Dark Fiber, That is)

We haven't been getting enough fiber here at TeleGeography Explains the Internet, but we're about to change that.

Nutritional jokes aside, this week, we welcome Todd Chapman, a veteran in fiber development, to the hot seat. Todd walks us through the ins and outs of Layer 0 of the physical infrastructure underlying data transmission. Some classic explaining of the internet.

Feb 5, 2025

An Interconnectivity Expert's Take on Emerging Hubs, AI, and Network Resilience in 2025

Digital Infrastructure Industry Expert Maya Glick has two decades in the digital infrastructure and telecommunications game.

Feb 3, 2025

Is It Sabotage? Unraveling the Mystery of Undersea Cable Breaks

Lately, I've been thinking about the movie director Alfred Hitchcock. One of his first big hits was a 1936 film called Sabotage.

Jan 22, 2025

The Impact of AI on Submarine Cable Networks

Submarine networks enable uninterrupted connectivity among geographically dispersed physical data centers, effectively forming a global data center without walls.

Substantial investments driving the swift growth of AI infrastructure in both existing and new data centers are set to significantly influence data center interconnect (DCI) networks, which are essential for the success of AI applications and use cases.

Research Director Alan Mauldin recently joined Ciena’s Brian Lavallée for a live webinar exploring these technical and strategic drivers transforming the AI landscape.

Jan 6, 2025

The Fastest-Growing Cities for Data Center Connectivity (As of Q1 2025)

In November, we unveiled our new Market Connectivity Score (MCS) and dropped our first public rankings of the top ten most connected and fastest-growing cities in the world.

Because we update the MCS quarterly, it's time to see how those rankings have changed.