A new Internet communication protocol for Mars

http://www.economist.com/sciencetechnology/tq/ has all the Technology Quarterly stories on one page. TQ (and indeed the Economist's weekly science coverage at http://www.economist.com/sciencetechnology/ ) is so consistently good that I urge HNers to just post one link rather than multiple individual stories.

No harm, no foul, but the multiple threads are a bit redundant.

Vint Cerf was talking about this back in 1998: http://www.webreference.com/outlook/column26/index.html

More here: http://www.ipnsig.org/press.htm

Delay-tolerant networking is a pretty old idea. (As in, well over a decade)