Chuck Guzis wrote:
As far as coupling two computers together--well,
that's VERY old.
Goes back to the 1950's at least and probably is older than that.
SAGE and SABRE (which was influenced significantly by SAGE), to my knowledge.
I don't when the network concepts for SAGE were thought up: in the early 50s
when the first air defense system tests were being done on Whirlwind, or later
in the 50s.
(On the looser end of the network definition, Stibitz's Bell relay calculators
had remote terminals.)