WEBYODA'S COMPLETE HISTORY OF THE INTERNET 1991
The History of the Internet
Internet Timeline 1991
CSNET Is Taken Out Of Service
Backbone:56Kbps-T1 PRIVATE, 45Mbps(T3) NSFNET
In 1991, the CSNET (which consisted of 56Kbps lines) had fulfilled its role. It was discontinued and sold off to private companies.