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?
--
Donations Drive.Dave Täht CSO, LibreQos
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