begin  quoting [EMAIL PROTECTED] as of Wed, Jun 21, 2006 at 08:58:00PM -0700:
[snip]
> The 'Net was designed to survive a nuclear attack. 

Was it?

from "where wizards stay up late: the origins of the internet"
by katie hafner and matthew lyon

   "Bob Tayler, the director of a corporate research facility
   in Silicon Valley, had come to the party [BBN reunion of
   ARPANET pioneers] for old times sake, but he was also on a
   personal mission to correct an inaccuracy of long standing.
   Rumors had persisted for years that the ARPANET had been
   built to protect national security in the face of a nuclear
   attack.  It was a myth that had gone unchallenged long
   enough to become widely accepted as fact."

   "Tayler had been the young director of the office within
   the Defense Department's Advanced Research Projects Agency
   overseeing computer research, and he was the one who had
   started the ARPANET.  The projecthad embodied the most
   peaceful intentions--to link computers at scientific
   laboratories across the country so that researchers might
   share computer resources. Taylor knew the ARPANET and its
   progency, the Internet, had nothing to do with supporting
   or surviving war--never did. Yet he felt fairly alone in
   carrying that knowledge."

   "Lately the mainstream press had picked up the grim myth
   of a nuclear survival scenario and had presented it as an
   established truth.  When /Time/ magazine committed the
   error, Taylor wrote a letter to the editor, but the
   magazine didn't print it. The effort to set the record
   straight was like chasing the wind; Tayler was beginning
   to feel like a crank."

     -- from the prologue


But that's the ARPANET. Packet-switching networks....

   "In the early 1960s, before Larry Roberts had even set to
   work creating a new computer network, two other researchers,
   Paul Baran and Donald Davies--completely unknown to each
   other and working continents apart toward different goals--
   arrived at virtually the same revolutionary idea for a new
   kind of communications network.  The realization of their
   concepts came to be known as packet-switching."
 
So a counter-point:

   "Soon after Baran had arrived at RAND, he developed an
   interest in the survivability of communications systems
   under nuclear attack...."

And a counter-counter-point:
   
   "...The motivation that led Davies to conceive of a packet-
   switching network had nothing to do with military concerns
   that had driven Baran.  Davies simply wanted to exploit the
   technical strengths he saw in digital computers and switches,
   to bring about a highly responsive, highly interactive
   computing over long distances.  Such a network would have
   greater speed and efficiency than existing systems. Davies
   was concerned that circuit-switched networks were poorly
   matched to the requirements of interacting computers. The
   irregular, bursty characteristics of computer-generated data
   traffic did not fit well with the uniform channel capacity
   of the telephone system.  Matching the network design to the
   new types of data traffic became his main motivation."

And finally, to up everyone's salt intake, a wikipedia reference:

http://en.wikipedia.org/wiki/ARPANET#Origins_of_the_ARPANET
   
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