[ih] Baran and arbitrary reliability from arbitrarily unreliable components
sbrim at cisco.com
Thu Mar 19 04:43:34 PDT 2009
Excerpts from Dave CROCKER on Wed, Mar 18, 2009 06:32:52PM -0700:
> I've found it useful to distinguish 3 major paradigm increments in the
> history of the Internet's data-handling basics (separate from the history
> of its apps):
> Packet network -
> Heterogeneous machines form a single network;
> Common canonical formats and basic handling;
> Arpanet, Irvine ring, Alohanet, Cyclades, et al.
> Interconnected networks
> Heterogeneous networks;
> Meta-formats and independent administrations;
> Arpa Internet
> Interconnected services
> Multiple backbones & regional operations - NSFnet Internet
> Paul and the suite of early contributors gave us that first insight. My
> understanding from my brother is that the mid-60s had a number of
> focused, experimental efforts to explore this space, before the Arpanet
> contract was finally let.
> (I tend to view that NSFNet step as having core technical impact that is
> generally under-appreciated, since it sowed the seeds for the richly
> competitive infrastructure, without which we might have a single-operator
Does this imply an opinion about, e.g., CSnet?
I think NSFNet was not in itself the big step, rather it was the
unexpected creation of the regional networks as separate from the
backbone and in many ways more significant.
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