> Lisp systems were popular for research, but were not used extensively for networking research. I expect it was in part a compatibility issue with BSD's socket

> Lisp systems were popular for research, but were not used extensively for networking research. I expect it was in part a compatibility issue with BSD's socket stuff They were not used for networking research, AFAIK, but Lisp Machines were definitely very well networked, speaking many protocols which soon came to include IP and TCP (though they started out with MIT's CHAOSnet). I was using Lisp Machines (both Symbolics and TI) networked with Sun 3s in the mid-to-late 1980s, and they definitely interoperated. But I think that was a few years later than the networking research you're referring to, that created the Internet protocols.