Networks

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 is most likely to damage subsea cables? (Don't say sharks.)

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?

Looking to set up your network? Here are some key definitions and explanations that will help you determine which service is right for your business.

Nov 22, 2019

Understanding Peering

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

Oct 29, 2019

A Brief History of ARPANET: The Early Internet

When was the internet born? On October 29, 1969, Professor Len Kleinrock and his team of graduate students at UCLA sent the first message over a network of computers that would eventually become the internet.

Oct 8, 2019

Is Your Planned Submarine Cable Doomed?

Anyone who follows the submarine cable sector knows that a lot of cables have been built in recent years—and investments in new cables keep coming.

I gave a presentation at Submarine Networks World 2019 in Singapore titled "Is Your Planned Submarine Cable Doomed?" My goal was not to identify particular planned cables that I think are doomed to fail, but rather to highlight some of the key flaws we often see when assessing cable operator business plans on behalf of investors.