The whole ARPAnet experiment was based on the idea of a network of
geographically distributed nodes, heavily interconnected. What the
thing we call the Internet today condenses those nodes, so the node
count falls to the point that failures are more catastrophic.
Further, the administration of the nodes is starting to coalesce, so a
single mistake takes out multiple nodes. MBAs are killing the Internet
that we used to know. We are going backwards in time, when networks
were star networks with a common hub, instead of autonomous network of
networks.
Another allied issue is the A&R of network equipment suppliers. Fewer
suppliers, plus more chance of cross-contamination by bad code, bad
documentation, and bad training.
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