[ih] Fwd: Question - reference source for formal decommissioning of ARPANET in 1990?

[Andrew G. Malis]

Alex,

Thanks for refreshing my memory!

Cheers,
Andy


On Sat, Dec 5, 2020 at 12:09 PM Alex McKenzie via Internet-history <
internet-history at elists.isoc.org> wrote:

>  In an article titled "Internet" in "Discoveries in Modern Science" (for
> which I gave the full reference in an earlier email) I wrote (pg 569) "DCA
> declared that all ARPANET Hosts must convert to TCP no later than January
> 1, 1983.  There were some problems, but by June 1983 the conversion was
> complete."
> Cheers,Alex
>
>     On Saturday, December 5, 2020, 11:50:42 AM EST, Andrew G. Malis via
> Internet-history <internet-history at elists.isoc.org> wrote:
>
>  Dan,
>
> I managed the NCP->TCP transition on the ARPANET that started on 1/1/83. I
> wrote the IMP code that enforced the transition by adding a filter to drop
> NCP packets, which was managed on a host-by-host basis. We had an official
> list from DARPA of hosts that were approved to continue using NCP. I spent
> New Year's Day in the NOC, turning off NCP for unapproved hosts, and I
> fielded calls from unhappy site managers as their NCP traffic stopped
> flowing (as they had been warned many times). I told them the process of
> how to contact DARPA to at least temporarily get on the approved list, and
> I turned the filters off and back on as directed by DARPA. Sadly, I don't
> recall when we finished the process of turning on the NCP filter for all
> hosts.
>
> Cheers,
> Andy
>
>
> On Fri, Dec 4, 2020 at 7:31 PM Dan Lynch via Internet-history <
> internet-history at elists.isoc.org> wrote:
>
> > I only use real data😂🙀
> >
> > Dan
> >
> > Cell 650-776-7313
> >
> > > On Dec 4, 2020, at 4:26 PM, Dave Crocker <dhc at dcrocker.net> wrote:
> > >
> > > On 12/4/2020 4:22 PM, Dan Lynch via Internet-history wrote:
> > >> It amazes me to hear there were sites still running NCP in the late
> 80s
> > in Texas.
> > >
> > > A reference like that, about Texas, affords such a target-rich
> > opportunity, I'm overwhelmed.
> > >
> > > d/
> > >
> > > --
> > > Dave Crocker
> > > Brandenburg InternetWorking
> > > bbiw.net
> >
> > --
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> >
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