[TUHS] OT: Grace Hopper, Unix epoch, ARPAnet converted to TCP/IP
dave at horsfall.org
Mon Jan 1 09:22:02 AEST 2018
On Sun, 31 Dec 2017, Noel Chiappa wrote:
> > the ARPAnet got converted from NCP to TCP/IP in 1983; ... have a more
> > precise date?
> No, it was Jan 1.
Mon Jan 1 10:14:58 EST 2018
What timezone did you say you were in again? This is the problem when
expressing historical events...
> It wasn't so much a 'conversion', as that was the date on which, except
> for a few sites which got special _temporary_ dispensation to finish
> their preparations, support for NCP was turned off for most ARPANET
> hosts. Prior to that date, most hosts on the ARPANET had been running
> both, and after that, only TCP worked. (Non-ARPANET hosts on the
> then-nascent Internet had always only been using TCP before that date,
> of course.)
Thanks; I'll amend my notes accordingly.
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."
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