This was formed in 1981, funded by the US National Science Foundation. CSNET hosts did not use TCP/IP, instead they used modems and phone lines together with dial-up protocols that permitted email only.
Hii iliundwa mwaka 1981, unaofadhiliwa na Marekani Sayansi ya Taifa Foundation. CSNET majeshi hakutumia TCP / IP, badala walitumia modems na mistari ya simu pamoja na itifaki piga-up kwamba ruhusa email tu.