Inter-planetary Internet expands to Mars and beyond

iTWire :

InterPlaNet (IPN) will serve as a backbone for a future inter-planetary system of Internets, said Cerf during a visit to Bangalore, reports Indo Asian News Service.

Google vice president and Internet evangelist, Cerf co-wrote the TCP/IP protocol which underpins the Terran internet in the 1970s and began work on the InterPlaNet in 1998.

A collaboration between NASA and the Advanced Research Project Agency, the InterPlaNet project is underway at the Jet Propulsion Laboratory in Houston, Texas. The InterPlaNet protocol is designed to cope with delays caused by the vast distances of space, with data taking up to 20 minutes to travel between the Earth and Mars depending on how far apart the two planets are.

“…As part of the NASA Mars mission programme, the project aims to have by 2008 a well-functioning Earth-Mars network.”

In 2004 the rovers, Spirit and Opportunity, broke Martian data speed records by sustaining a 256 kbps uplink to the Mars Odyssey and Mars Global Surveyor satellites orbiting above. Mars Odyssey had the faster link to Earth – 124 kbps at the time – but it has dropped as Mars moves further away from the Earth.

In the 1970s, data from NASA’s two Mars Viking landers trickled back from the orbiting satellites at 8 kbps, via a 16 kbps uplink from the Martian surface. [Source]