Submarine Cables

Jul 24, 2025

You've Read About Submarine Cable Breaks. Now Read About the Repairs.

There is no shortage of headlines about high-profile cable breaks, particularly around the Baltic Sea and Taiwan. But it's worth remembering that where there have been faults, there have also been repairs.

Jul 18, 2025

The Regulatory and Geopolitical Environment of Cable Faults and Maintenance

Undersea cables are crucial to the global economy and national security.

It's no surprise, then, that governments and regional industry groups are considering how to enhance submarine cable security and resilience.

Jun 30, 2025

It’s Going to Take $3 Billion to Ensure Submarine Cable Repair Ships Can Keep the World Connected

A new report details what is needed to sustain current service levels and reduce repair delays for the undersea cables that carry global internet traffic.

Jun 5, 2025

An FCC Commissioner Explains Spectrum Allocation + Broadband Expansion

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.

May 27, 2025

The Key Trends Shaping Long-Haul Capacity Demand

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. 

May 15, 2025

Building Tomorrow’s Internet: A 2025 Update on Cable Investment

A steady stream of investment has driven tremendous growth in subsea cable infrastructure to keep pace with ever-increasing bandwidth demand.

According to new data from TeleGeography’s Transport Networks Research Service, the aggregate cost of new construction over the past nine years has averaged over $2 billion annually.

Let's review the state of submarine cable investment in 2025.

Apr 3, 2025

One Patent to Rule Them All? Demystifying China’s “Terrifying” Cable-Cutting Tech

My family has probably watched Lord of the Rings a dozen times or more1. We can (and sometimes will) quote entire passages from the films.

Apr 2, 2025

Bandwidth Demand is Strong in Latin America, But It's Slowing

It's true. The localization of content, applications, and compute in local hubs like São Paulo, paired with submarine cable delays, network buildout logistics, and the simple fact that bandwidth demand can't keep doubling, has slowed bandwidth demand in Latin America.

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?