From: dave@horsfall.org (Dave Horsfall)
Subject: [TUHS] OT: Grace Hopper, Unix epoch, ARPAnet converted to TCP/IP
Date: Mon, 1 Jan 2018 10:22:02 +1100 (EST) [thread overview]
Message-ID: <alpine.BSF.2.21.1801011014400.99776@aneurin.horsfall.org> (raw)
In-Reply-To: <20171231231022.CDC7218C09C@mercury.lcs.mit.edu>
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.
aneurin% date
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."
next prev parent reply other threads:[~2017-12-31 23:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-31 23:10 Noel Chiappa
2017-12-31 23:22 ` Dave Horsfall [this message]
2017-12-31 23:47 ` Kurt H Maier
2018-01-01 0:15 ` Dave Horsfall
2018-01-01 0:59 ` Kurt H Maier
-- strict thread matches above, loose matches on Subject: below --
2018-01-01 12:59 Noel Chiappa
2018-01-02 0:57 ` Ron Natalie
2018-01-02 16:19 ` Clem Cole
2017-12-31 22:51 Dave Horsfall
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