[ih] Exterior Gateway Protocol

[Scott O. Bradner]

I found a printout of my late 1990s notes which said that EGP was "limited to a tree structured Internet"
although I recall that people were hacking it to expand its usefulness but the result was not pretty 

Scott


> On Sep 2, 2020, at 3:45 PM, Barbara Denny <b_a_denny at yahoo.com> wrote:
> 
> That is my recollection too. EGP had topology constraints. 
> 
> barbara 
> 
> On Wednesday, September 2, 2020, 08:07:37 AM PDT, Scott O. Bradner via Internet-history <internet-history at elists.isoc.org> wrote:
> 
> 
> my recollection was that EGP could not be twisted enough to be able to deal with the actual 
> topology that was evolving on the Internet 
> 
> Scott
> 
> ps - I tried to open an old powerpoint presentation (from the late 1990s) where I discussed EGP & BGP
> but it seem like the oldest version of PowerPoint I have had evolved enough that it will no longer open 
> that version  - I mention that because there is yet again a discussion on the IETF list about RFC formats
> and some people have argued, as people have argued for at least 20 years, that moving to MS Word
> would be a good thing
> 
> 
> 
> > On Sep 2, 2020, at 10:39 AM, Grant Taylor via Internet-history <internet-history at elists.isoc.org> wrote:
> > 
> > On 9/2/20 7:55 AM, Dan York via Internet-history wrote:
> >> Grant,
> > 
> > Hi,
> > 
> >> It also needs more explanation that EGP was replaced by BGP. (The current sentence there says “essentially replaced” and is a bit vague with no references.)
> > 
> > Hum.
> > 
> >> If any of you all here know of any RFCs that explicitly indicate EGP was replaced/obsoleted, or if you know of any journal articles, academic papers, historical documents, etc., that could be useful, I would be glad to update the article a bit. Or if you can point me to any info about the creation of EGP (there’s a line that needs a source). Or any other info you think would be useful in this Wikipedia article, that would be great.
> > 
> > I found a some information about EGP in and around the gated routing daemon.  I wonder if there might be some more information that could help you.
> > 
> >> (Note that for info to appear in the English version of Wikipedia, it needs to be backed up by a “reliable source” - https://en.wikipedia.org/wiki/Wikipedia:Reliable_sources - which includes journal articles, academic papers, news articles, RFCs, etc.)
> > 
> > I wonder if you can find any graphs on the number of Internet connections using BGP.  If similar ever existed for EGP, you can probably compare / contrast the two.
> > 
> > I also think that the lack of contemporary EGP implementations is evidence of BGP's replacement of EGP.  As is the fact that BGP supports things that EGP does not.  Things which are used all over the Internet, e.g. multipath.
> > 
> > 
> > 
> > -- 
> > Grant. . . .
> > unix || die
> > 
> > -- 
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> 
> 
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