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The technology was also considered unsafe for strategic and military use because there were no alternative paths for the communication in case of an enemy attack.
Initial concepts of wide area networking originated in several computer science laboratories in the United States, United Kingdom, and France.
Bringing in Larry Roberts from MIT, he initiated a project to build such a network.
The first ARPANET link was established between the University of California, Los Angeles (UCLA) and the Stanford Research Institute at hours on October 29, 1969.
He began by writing memos describing a distributed network to the IPTO staff, whom he called "Members and Affiliates of the Intergalactic Computer Network". The issue of connecting separate physical networks to form one logical network was the first of many problems.
As part of the information processing office's role, three network terminals had been installed: one for System Development Corporation in Santa Monica, one for Project Genie at University of California, Berkeley, and one for the Compatible Time-Sharing System project at Massachusetts Institute of Technology (MIT). and I wanted to talk to someone I knew at Berkeley or M. Early networks used message switched systems that required rigid routing structures prone to single point of failure. Independently, Donald Davies (National Physical Laboratory, UK), proposed and was the first to put into practice a local area network based on what he called packet switching, the term that would ultimately be adopted.
These technologies made it possible to exchange data (such as files) between remote computers.