Networks

May 20, 2021

Trans-Pacific Cable Chaos, Shifting Asian Hubs

It’s been a year since the U.S. government denied a cable license to the Pacific Light Cable Network (PLCN), setting off a chain reaction that's disrupted the trans-Pacific submarine cable market.

May 17, 2021

Submarine Cables: It's Not Bitcoin

We often say that we'll be taking a "deep dive" into an issue at the beginning of our podcasts. Today we almost mean that literally, as Greg welcomes TeleGeography Research Director Alan Mauldin to talk about submarine cables.

Apr 23, 2021

How Will Broadband Prices Fare Against a Satellite Boom?

Despite the expanding role satellite providers have in delivering connectivity, the vast majority of intercontinental capacity is carried by submarine cables. 

This will likely always be the case, but new constellation projects are poised to reshape how broadband is delivered to end users.

Oct 22, 2020

We Asked Kids What They Know About Submarine Cables

Be honest: do you actually know how many kilometers of submarine cables live under the ocean? Do you know the obscure locations that got a new cable in 2020? Or what actually damages cables? (Don't say sharks.)

Mar 19, 2020

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

You may have been scrolling through our blogs about recent cable breaks. Or perhaps there's been an uptick in cable fault chatter online. Either way, disruptions to service have made their way into a few spring headlines.

But it's worth remembering that where there have been faults, there have also been repairs.

Feb 11, 2020

About That PLCN Delay: Four Trans-Pacific Cable Market Facts to Consider

There's been a lot of press about delayed approval for the Pacific Light Cable Network (PLCN) cable, which is due to connect Hong Kong, Taiwan, and the Philippines to the United States.

You can understand why this cable has gotten extra attention. Backers include Google, Facebook, and Pacific Light Data Communication (PLDC), which is owned by Chinese ISP Dr. Peng Telecom & Media Group.  

While the whole system is awaiting approval from U.S. authorities, Google and Facebook have requested that the FCC allow activation of the Taiwan and Philippines portions of the cable.

Dec 10, 2019

TeleGeography's Business Broadband Acronym Cheatsheet

The telecom space is loaded with acronyms. (Take this from the people who recently published a post about the difference between IP VPN, DIA, and EVPN.)

Today our Business Broadband Research Service team is giving telecom newbies and pros alike the broadband acronym cheatsheet of their dreams.

Dec 5, 2019

What is IP Transit?

Only a few of the world’s largest internet backbone providers get transit-free status, exchanging all of their traffic with other backbone providers via peering.

Alas, downstream internet service providers (ISPs), content providers, and other internet operators must purchase at least some upstream “transit” in order to connect their internal networks to the internet at large.

Nov 25, 2019

IP VPN, DIA, and EVPN, Explained

What's the difference between VPN, DIA, and EVPN, you ask?

Where to start? Here are some key definitions that we use in our research.

Nov 22, 2019

Understanding Peering

Today we answer the burning question "what is peering and how does it work?"