NSFNet, the first Internet backbone Skills: none IT concepts: backbone network, history of networking This work is licensed under a Creative Commons Attribution-Noncommercial-

NSFNet, the first Internet backbone

Skills: none

IT concepts: backbone network, history of networking

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Where does this topic fit?

• Internet concepts– Applications– Technology (communication)– Implications

• Internet skills– Application development– Content creation (audio)

NSFNet backbone, July 1986-8, 56 kbps

Initial T1 (1.5 Mbps) backbone, July 1988

T1 backbone, 1991

Networks connected to the backbone

ProjectCost

($Million)

Morse telegraph .03

ARPANet 25

CSNET 5

NSFNet backbone 57.9

NSF US higher education connections 30

NSF international connections 6

123.93

Your tax dollars at work – a good investment

Decommissioned in April, 1995, linking

28,470 domestic and 22,296 foreign networks.

NSFNet was global and successful

Internet languages – millions of users

Data source and more detail

Designed by highly qualified researchers

NSFNet succeeded because it was ….

Financiallyleveraged

A dumb network

Seeding Networks: the Federal Role

NSFNet project Final Report 1987-1995

New York Times coverage of the 20 th anniversary of NSFNet

NSFNet resource material from NSF

Further reading

NSFNet, the first Internet backbone

Skills: none

IT concepts: backbone network, history of networking

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.