Each node contained a small processor, a sensor and a low-powered radio with just enough power to talk to adjacent nodes and the network was just smart enough to reconfigure itself to reroute data whenever one node got damaged.

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The old delivery systems could be relegated to utilities, mindlessly ferrying data packets from one node to the next.

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For example, Equinix provides an access node for the Australian Security Exchange from the Equinix Chicago data center so firms in Chicago can connect directly to the Sydney Futures Exchange.

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