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national science foundation network (NSFnet)

The National Science Foundation Network (NSFnet) was established by the National Science Foundation (NSF) in the early 1980s and served as a high-speed backbone for the North American Internet

. The NSFnetwent into operation in 1986

with transmission speeds of 56 kbit/s; later, the transmission speed was increased to 1.5 Mbit/s

. The main connection paths that had existed up to that point were the Internet, which was used to connect research facilities equipped

withsupercomputers

and toenable a larger group of researchers to access the powerful computers

.The main Internet connections that had existed until then were replaced by the NSFnet. At the beginning of the 1990s, the transmission speed of the NSF backbone was successively increased to 45 Mbit/s and later to 622 Mbit/s.

Since the mid-1990s, the NSFnet has no longer been in operation.

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Englisch: national science foundation network - NSFnet
Updated at: 06.07.2011
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Translations: DE