1981. CSNET established (NSF sponsored) 1983. TCP/IP becomes the official protocol 1983. MILNET was born 1986. NSFNET established (NSF) 1990. ARPANET replaced by NSfnet 1995. nsfnet became a research network 995.SPs started CSIE NTUT TANANCSIE, NTUT, TAIWAN 6 1981. CSNET established. (NSF sponsored) 1983. TCP/IP becomes the official protocol 1983. MILNET was born. 1986. NSFNET established. (NSF) 1990.ARPANET replaced by NSFNET. 1995. NSFNET became a research network. 1995.ISPs started