Space internet routing

IRIS (Internet Routing in Space) is a project implemented by the US Department of Defense to locate IP (Internet Protocol) routers to geosynchronous satellites.
IRIS (Internet Routing in Space) is a project implemented by the US Department of Defense to locate IP (Internet Protocol) routers to geosynchronous satellites. The project is used for military communications, but may eventually be used in the private sector. If widely implemented, this technology can significantly increase network flexibility and traffic processing capabilities (compared to existing satellite network systems).


With current satellite Internet technology, packet transmission between end users requires data to be sent from the source user to the satellite, which is then received and forwarded by the repeater. The signal is then passed to the central router on the ground, back to the satellite that the second transponder processes the signal, and then transmitted to the end user. This means that each packet must be transmitted and received at least 3 times, and two complete round-trip satellite transmissions must be completed. In the IRIS system, the satellite receives the data packet directly from the data source and then transmits it directly to the destination, eliminating all intermediate nodes and requiring only one round-trip satellite transmission. This will reduce waiting time, simplify the system, increase reliability and reduce overall maintenance costs.
The Space Internet Routing (IRIS) project will be completed and launched in 2009. Cisco Systems is designing on-board router software. Intelsat is building the largest supplier of fixed satellite services. The overall coordination will be performed by the US Department of Defense Information Systems Agency.
NASA reports that in November 2008, the agency has successfully completed a similar project, testing of the StarCraft Internet deep space communication network.https://www.yeacommtech.com/index.html

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