Networks

May 4, 2023

Do Submarine Cables Account For Over 99% of Intercontinental Data Traffic?

“Submarine cables account for over 99% of intercontinental data traffic” is regularly quoted in the press with no source given.

It’s time for some fact-checking.

May 2, 2023

Lessons Learned From Season 4: Podcast Recap, Part 1

We just wrapped up the fourth season of our podcast, TeleGeography Explains the Internet.

After three seasons focused primarily on the WAN, Senior Manager/Podcast Host Greg Bryan spent the last few months more broadly exploring the global business of connectivity with a wide range of guests.

A lot of ground was covered. In fact, if you were to binge the whole season at once, it would take around 20 hours to listen through all 25 episodes.

While that would be very impressive, we've made a highlight reel with bite-sized clips to help you catch up. Stay tuned as we work our way through the season, five episodes at a time.

Apr 27, 2023

New Map Explores Sustainability Across the Subsea Industry

This month’s list of telecom reading recs starts off with a new map that you may have seen circulating on social media.

Apr 20, 2023

Is the Lifespan of a Submarine Cable Really 25 Years?

“The lifespan of a submarine cable is 25 years.” We’ve all heard that, right?

Is this statement really a fact—or is it fiction? Let’s find out.

Apr 18, 2023

What Happens to Cables When The Earth Moves Under Our Feet?

How are submarine cables impacted by tectonic shifts beneath the seafloor?

This week's guests on TeleGeography Explains the Internet are well-positioned to tell us. They join us from the UK’s National Oceanography Centre: Isobel Yeo, Researcher in Geology and Volcanology, and Michael Clare, Principal Researcher of Ocean BioGeoscience and Marine Environmental Adviser to the International Cable Protection Committee

Mike and Izzy are geologists specializing in the seafloor, so their research has become vital for the submarine cable community.

Apr 6, 2023

Do $10 Trillion of Financial Transactions Flow Over Submarine Cables Each Day?

It's regularly cited in the press that $10 trillion of financial transactions flow over submarine cables every day. But is it true?

Mar 30, 2023

A Roundup of New Resources

With a fresh map release, an updated e-book, a new presentation deck and more, March has been madness for TeleGeography.

Let's recap some stuff you might have missed.

Mar 24, 2023

Key Takeaways from SubOptic 2023

SubOptic 2023 concluded last week and the TeleGeography team is still buzzing with excitement.

But who can blame us? When a conference only comes around every three years, there’s a lot to unpack.

This calls for a webinar.

Mar 1, 2023

Disruptions in the Data Center Market

The global data center market is under an unprecedented squeeze as we move into 2023.

On one hand, we have a long-term challenge surrounding the sustainability of the industry’s growth trajectory in essential hub markets. On the other, we have an acute short-term problem with energy prices in the colocation sector.

These issues combine to create an uncomfortable phase in the market right now.

Feb 28, 2023

Subsea Cable Infrastructure and Climate Change

We're closing out February with our top five telecom reading recommendations from the month.

First up: a look at how submarine cables are vulnerable to sea-level rise, storms, and other climate impacts.