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Source: boingboing.net/2011/05/19/do-astronauts-have-i.html


is there internet in space


Interplanetary Internet - Wikipedia, the free encyclopedia

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** Interplanetary Internet **

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The speed of light, illustrated here by a beam of light travelling from the
Earth to the Moon, would limit the speed at which Interplanetary Internet
messages would be able to travel. In this example, it takes light 1.26
seconds to travel from the Earth to the Moon. Due to the vast distances
involved, much longer delays may be incurred than in the Earth-bound
Internet.

Computer network types by spatial scope
· Near field (NFC)
· Body (BAN)
· Personal (PAN)
· Near-me (NAN)
· Local (LAN)

· Home (HAN)
· Storage (SAN)

· Campus (CAN)
· Backbone
· Metropolitan (MAN)
· Wide (WAN)
· Internet
· *Interplanetary Internet*
· Intergalactic Computer Network

· v
· t
· e

The *Interplanetary Internet* (based on IPN, also called /InterPlaNet/) is
a conceived computer network in space, consisting of a set of network nodes
which can communicate with each other.^[1]^[2] Communication would be
greatly delayed by the great interplanetary distances, so the IPN needs a
new set of protocols and technology that are tolerant to large delays and
errors.^[2] While the Internet as it is known today tends to be a busy
/network of networks/ with high traffic, negligible delay and errors, and a
wired backbone, the Interplanetary Internet is a store and forward /network
of internets/ that is often disconnected, has a wireless backbone fraught
with error-prone links and delays ranging from tens of minutes to even
hours, even when there is a connection.^[3]

*Contents*

· 1 Development
· 2 Implementation
· 3 In fiction
· 4 Earth orbit
· 5 See also
· 6 References
· 7 External links

*Development[edit]*

Space communication technology has steadily


Source: en.wikipedia.org/wiki/Interplanetary_Internet

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