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Arthur T Knackerbracket has found the following story:
NASA's Human Exploration and Operations and Science Mission Directorates are collaborating to make interplanetary Internet a reality.
They're about to demonstrate Delay/Disruption Tolerant Networking, or DTN -- a technology that sends information much the same way as the conventional Internet does. Information is put into DTN bundles, which are sent through space and ground networks to its destination.
The Science Mission Directorate looks forward to incorporating DTN into future missions and has identified the Plankton, Aerosol, Cloud, ocean Ecosystem, or PACE, mission as the first key opportunity to demonstrate this revolutionary capability.
-- submitted from IRC
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Disruption Tolerant Networking to Demonstrate Internet in Space
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(Score: 3, Funny) by c0lo on Tuesday July 17 2018, @09:38AM (3 children)
Nope. It's some network layers down (UUCP standing in the application protocol layer)
It actually builds upon the RFC 1149 and RFC 6214, but they needed to tackle the inability of avian carriers to deal with space conditions.
https://www.youtube.com/watch?v=aoFiw2jMy-0 https://soylentnews.org/~MichaelDavidCrawford
(Score: 2) by KritonK on Tuesday July 17 2018, @11:51AM (2 children)
Although TFA talks about plankton, I think that plankton is the object of study, not one of the network layers.
On the other hand, these RFCs describe protocols for sending datagrams, and I would think that for a "solar system internet", UDP has a better chance of producing something that works, than TCP. Having to wait ~2,5 seconds to receive acknowledgment for each packet sent to or from the moon, will slow a TCP connection to a crawl, and it only gets worse in the case of the planets. Of course, with UDP you will have to retransmit lost packets, which will add additional delays and will make receiving a complete file an undecidable problem.
(Score: 0) by Anonymous Coward on Tuesday July 17 2018, @04:16PM (1 child)
You don't need to re-transmit lost packets if you use FEC (forward error correction). Old tech is good tech!
(Score: 2) by KritonK on Wednesday July 18 2018, @07:53AM
FEC will correct corrupted packets, as long as the number of corrupted bits stays within a specified limit. Packets that are corrupted more than that, will need to be retransmitted.