It's really wild to me that there was a debate between whether we should have a datagram-based system (independent packets moving around a network that are routed to their destination as best as possible) or a virtual circuit system (where the network "clears out" and reserves a specific physical pathway for a connection between two computers). I mean obviously these decisions needed to be made, and early ARPANET IMPs used virtual circuits extensively, so. Yeah.
Oh here's a link to what I believe is the full Pouzin paper: http://delivery.acm.org/10.1145/1500000/1499870/p483-pouzin.pdf?ip=188.8.131.52&id=1499870&acc=ACTIVE%20SERVICE&key=70F2FDC0A279768C%2E3D342327617A783A%2E4D4702B0C3E38B35%2E4D4702B0C3E38B35&__acm__=1560278305_9bc361ec9192c0a56aea1cce2913cb5f (though I'm at a university right now so maybe only I can see it from behind this network)
@darius I remain unconvinced that one was decided in the right direction. :-)
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