An Interplanetary Internet is not a joke: It's been a serious field of study for a while. There is a SIG on the topic, and lots of work has been done to think a

An Interplanetary Internet is not a joke: It's been a serious field of study for a while. There is a SIG on the topic, and lots of work has been done to think about how Internet protocols would work across interplanetary distances and frequent disconnections: http://www.ipnsig.org/aboutstudy.htm http://www.ipnsig.org/aboutstudy.htm