[Starlink] starlink at sea

[Larry Press]

Starlink is now available on all Carnival Cruise ships and the CEO says it's "another revenue uplift opportunity and a real game-changer."
https://cruiseindustrynews.com/cruise-news/2024/06/carnivals-weinstein-starlink-is-a-game-changer/#google_vignette

As ISLLs, satellites, and ground stations proliferate, performance will improve on all cruise and other ships. When other providers come online it will get even better.


________________________________
From: Ulrich Speidel <u.speidel at auckland.ac.nz>
Sent: Tuesday, July 2, 2024 8:40 PM
To: starlink at lists.bufferbloat.net <starlink at lists.bufferbloat.net>
Cc: Larry Press <lpress at csudh.edu>
Subject: Re: [Starlink] starlink at sea


Given where the author of the blog was, most of the latency would have been from the space segment - the 20 ms are only realistic if the satellite that Dishy talks to can downlink to a ground station within a few 100 km. If the laser ISLs are involved, the path is usually much longer (and the transfer points into and out of the Internet proper aren't always the closest or most obvious ground stations either. We see traceroutes from Tarawa pass through Auckland, regardless of target, despite there being closer ground stations in Australia, for example.

It'd be also interesting to see where cruise ships have which experience. Antarctica does well because the ship and therefore user density is low, and there is little competition for the ISLs. Similarly, ships in moderate latitudes below the mid-50's now typically see a lot of satellites that they can use, and as long as they don't all crowd in large numbers into a single harbour, they should generally be fine. The crunch point will be when you get high concentrations of large ships in northern locations - Norway, Svalbard and Alaska / Inside Passage at this time of year come to mind. That's where low visible capacity meets high user density.

I also wonder how much of a role demographics play. My only trip on a cruise ship to date is a story in its own right, but at the time I couldn't help but notice that I was 30-40 years younger than the age average on board. So quite how many gamers / streamers there'd be among the digital migrants aboard would have been questionable. But then again, that was some time ago, and I'm sure there'd be a few digital natives now. Certainly, there will be in future. So how will that impact on demand and the ability to accommodate the growth in demand?

On 3/07/2024 8:40 am, Dave Taht via Starlink wrote:

https://circleid.com/posts/20240501-starlink-service-is-great-on-some-cruise-ships<https://urldefense.com/v3/__https://circleid.com/posts/20240501-starlink-service-is-great-on-some-cruise-ships__;!!P7nkOOY!pT1bZtU8-7BlzcDVh4wMcjwtN_c6n7SwojPwPy_yG1J8VqejxTD_eGpOYFgB2Aen-3dMD4mEauUn9TKJXtNJ8Fr3$>

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Dr. Ulrich Speidel

School of Computer Science

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The University of Auckland
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