[ih] The story of BGP?

[Scott Brim]

On Fri, Feb 8, 2013 at 2:41 PM, John Curran <jcurran at istaff.org> wrote:
>> One of the most entertaining moments in my history of IETF involvement
>> was when Hans-Werner Braun and I explained NSFNet and ARPAnet routing
>> interworking.  Everything was still hierarchical so we did it all with
>> RIP and a lot of following default routes.  Dave Clark slapped his
>> forehead.  Jon Postel just shook his head.  Yes we needed something
>> like BGP but that took a few years.
>
> Yes, it was RFC 1092/1093 that nicely documented the problem with strictly hierarchical
> EGP routing when the topology actually wasn't hierarchical... EGP+IGRP combined with the
> exceptions for the interesting lateral connections often resulted in breakage for anyone
> at multiple NSFNET NSS connections (e.g. CSNET with NSS 8/JVNC, NSS 6/SDSC) unless some
> real care was taken in configs.

1989 is the earliest we have for documenting that?  We knew it at least in 1986.