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Susan Rambo
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Re: The Internet: Greatest Invention of the Last Century
Susan Rambo   5/9/2014 5:00:50 PM
There's no reason why we can't do both intraplanetary and interplanetary Internet -- iust our own will stops us. But really, I like there being some places on earth where you have no access. I also like the idea of being able to see a live feed of Mars from Martian orbit.

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The Internet: Greatest Invention of the Last Century
BobsView   5/9/2014 4:24:29 PM
I am indeed a huge supporter of advancing science.  I believe the Internet to be the greatest invention of the past century, but it is too important to leave future advancement to a handful of companies that have no real commercial interest in making it faster or more widely available to people living in remote areas.

Ben Franklin, in all his wisdon, recognised the importance of universal Mail Delivery service and set it up in the new world over two centuries ago.  It is so robust and reliable we still have it today.  We should follow that inspiration for the Internet.

I think a "Moon Landing" type effort to find solution to a universal 1 GB/sec broadband internet available anywhere in the world will be the biggest boost to the world economy.

I am just saying we should get the best minds on this now, especially since there appears to be funds to do it, and leave the Interplanetery Internet for another day.


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Re: Lets Get Terrestrial Internet Finished First
Bert22306   5/9/2014 4:08:10 PM
Not just that, Junko. Cavemen didn't find a cure for the common cold before changing their living arrangements.

I would think that satellites in geosynchronous orbit could be used to relay the laser comms down to earth, as RF, to solve the "clouds happen" problem. I think it would be cool to start establishing a set of extra-terrestrial Internet subnets. This shows why wasting IPv6 address space, as many people seem to do sans souci, may not be such a visionary policy.

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Re: Lets Get Terrestrial Internet Finished First
junko.yoshida   5/9/2014 3:45:45 PM
@BobsView, indeed, amazing. But with all due respect, the United States sent men on the moon, before the nation solved many social issues on the ground. Science needs to move on.

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Lets Get Terrestrial Internet Finished First
BobsView   5/9/2014 11:34:22 AM
Amazing.  They're talking Interplanetary Internet when there are people in the US that can't get broadband yet.

It would be better to use the technology to get broadband to everyone on earth that wants it first, then, when that's completed, think about expanding it to space.


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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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