The Internet Protocol is the network layer communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and es
First Internet demonstration, linking the ARPANET, PRNET, and SATNET on November 22, 1977
Diagram of the first internetworked connection. On a rainy Tuesday, November 22, 1977, data flowed from the van to SRI in Menlo Park and the University of Southern California via England, Boston, and Sweden across three types of networks: packet radio, the satellite network, and the ARPANET.