Your history on the creation of the Internet is based on myth promoted by folks who don't want to admit that the Internet was a successful, well-planned government endeavor.
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Point taken.
Indeed, this myth is deconstructed in detail at Wikipedia.
>From the Wikipedia article on ARPA and ARPANET:
The ARPANET and nuclear attacks -----------------------------
A common semi-myth about the ARPANET states that it was designed to be resistant to nuclear attack. The Internet Society writes about the merger of technical ideas that produced the ARPANET in A Brief History of the Internet, and states in a note:
It was from the RAND study that the false rumor started claiming that the ARPANET was somehow related to building a network resistant to nuclear war. This was never true of the ARPANET, only the unrelated (sic) RAND study on secure voice considered nuclear war. However, the later work on Internetting did emphasize robustness and survivability, including the capability to withstand losses of large portions of the underlying networks.
The myth that the ARPANET was built to withstand nuclear attacks however remains such a strong and apparently appealing idea - and of course "a good story" - that many people refuse to believe it is not true. However it is not, unless one means that these ideas influenced the ARPANET development by way of the RAND research papers. The ARPANET was designed to survive network losses, but the main reason was actually that the switching nodes and network links were not highly reliable, even without any nuclear attacks.
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<http://en.wikipedia.org/wiki/Arpanet>
.d.