[ih] Failures of the early Internet

[Scott Brim]

Yes it was a forerunner collaboration with NY Telephone.

On Sat, Jan 20, 2024, 17:43 vinton cerf <vgcerf at gmail.com> wrote:

> was NYNET distinct from NYSERNET?
>
> v
>
>
> On Sat, Jan 20, 2024 at 1:50 PM Scott Brim via Internet-history <
> internet-history at elists.isoc.org> wrote:
>
>> On Fri, Jan 19, 2024 at 9:20 PM Jack Haverty via Internet-history <
>> internet-history at elists.isoc.org> wrote:
>>
>> > Another incident I recall was also a routing issue.  I don't remember
>> > exactly where it happened, but two sites, universities IIRC, were
>> > collaborating on some research project and had a need to send data back
>> > and forth.  Their pathway to each other through the Internet was
>> > somewhat long and often congested.   So they decided to fix the problem
>> > by installing a circuit directly between their two campus' routers.
>> >
>> > Money was of course an issue, but they found the funds to pay for a 9.6
>> > kb/s line.  They were surprised to observe that the added line only made
>> > things worse.  File transfers took even longer than before.  Of course
>> > their change to the topology of the Internet had unexpectedly made their
>> > 9.6 line the best route for all sorts of Internet traffic unrelated to
>> > their project.
>> >
>>
>> That might have been us, and if so it's another tie-in for Dave Mills. In
>> early January 1987 we lit up the first link in what was to be NYNET (New
>> York), between Cornell Theory Center and Columbia IT. We figured Cornell
>> would be a gateway for all of NYNET to the budding NSFNet. However, at
>> that
>> time both Cornell and Columbia CS were connected to ARPAnet, and Columbia
>> CS was announcing a static route to HP (net 16) to its campus, for some
>> project in a department. At Cornell we believed everything we received, so
>> we forwarded Columbia's route to the rest of our campus, thus to our CS
>> Arpanet connection, and onward. There was no route filtering anywhere. We
>> discovered the HP routing loop pretty quickly and shut down dynamic
>> routing. Acouple weeks later we were meeting with Dave, probably at UDel,
>> and he said "we have to have bidirectional route filtering", and thus the
>> gated project was born.
>>
>> Scott
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>