This diagram of a packet-switching network appears in the 1974 paper by Vint Cerf

What’s troubling Vint Cerf? Five-hundred year old WordPerfect files and a fifty-year trip to the cosmos, that’s what.

Vint Cerf has a problem: the star Alpha Centauri is too far away. He wants to get a good look at it, but at 4.37 light years from the sun, it might take a while. He’s not too worried, though, because he’s designing an interplanetary internet with Google. On Thursday in Washington, D.C., Mr. Cerf described the outer-space-net and some other personal projects to an assembly at Georgetown University, part of the National Medals Foundation’s “An Evening With” series. Mr. Cerf has been awarded more medals than he probably knows what to do with. I guess that happens when you get credit for inventing the internet – in 1974, Cerf and Robert Kahn co-authored a paper for the IEEE titled “A protocol for packet network intercommunication.” Forty-some years later, four billion humans are piggybacking their idea into five billion daily YouTube views, a three-hundred-billion dollar digital advertising market, and a …

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