What is ARPANET and why was it developed?

A network of computers developed by US army such that a nuke won't be able to take away command and control of all of their toys, and so ensure capabilities of reply after a first strike.


Sneighke added:
The ARPANET was a research network funded by the Advanced Research Projects Agency and was originally used to interconnect four sites, including two University of California campuses, the Stanford Research Institute and the University of Utah and was launched in 1969. It was NOT developed by the army although the military had it's own unclassified network MILnet tied into ARPANET. MILnet split off in 1983.

It was used for high speed data transmission and not to control nukes. It also is myth that ARPANET was built to survive a nuke attack, it wasn't. But it did allow redundancy since it was a packet switched network and was designed to survive network losses.

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