RFC1606 – A Historical Perspective on the Usage of IP Version 9 (datatracker.ietf.org)

FYI: this is one of the RFCs that sometimes get published on the first of April as an April fool's joke.

Here is a good list of them: https://en.wikipedia.org/wiki/April_Fools%27_Day_Request_for...

Nice scifi short, not enough of these today.