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Interplanetary internet
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21/11/2008
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NASA has successfully tested the first deep space communications network modelled on the internet. Working as part of a NASA wide team, engineers from NASA's Jet Propulsion Laboratory in Pasadena, California, used software called Disruption Tolerant Networking (DTN) to successfully transmit images to and from a spacecraft located about 20 million miles from earth.
DTN is tolerant of disruptions to data such as planets, satellites and solar storms. Data is saved because each node in its network holds on to data until it can make a clear connection with another node.
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Author
Chris Shaw
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