A public data network is a network established and operated by a telecommunications administration, or a recognized private operating agency, for the specific purpose of providing data transmission se
Representatives of PTTs and private companies who championed the development of X.25-based networks and services in Europe, North America and Japan.
The Internet originated in the efforts of scientists and engineers to build and interconnect computer networks. The Internet Protocol Suite, the set of rules used to communicate between networks and d
Public data network
…Many of these networks later adopted TCP/IP and provided the infrastructure for the early Internet. History of the Internet International Network Working Group…
Postage stamp of Azerbaijan (2004): 35 Years of the Internet, 1969–2004
First Internet demonstration, linking the ARPANET, PRNET, and SATNET on November 22, 1977
Stamped envelope of Russian Post issued in 1993 with stamp and graphics dedicated to first Russian underwater digital optic cable laid in 1993 by Rostelecom from Kingisepp to Copenhagen (see also: Internet in Russia)