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Re: [Int-area] New Version Notification for draft-li-int-aggregation-00.txt

"touch@strayalpha.com" <touch@strayalpha.com> Mon, 28 February 2022 20:50 UTC

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From: "touch@strayalpha.com" <touch@strayalpha.com>
In-Reply-To: <Yh0KiypxcfT7bWvU@faui48e.informatik.uni-erlangen.de>
Date: Mon, 28 Feb 2022 12:49:53 -0800
Cc: Dino Farinacci <farinacci@gmail.com>, int-area@ietf.org
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To: Toerless Eckert <tte@cs.fau.de>
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Subject: Re: [Int-area] New Version Notification for draft-li-int-aggregation-00.txt
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FWIW:

> On Feb 28, 2022, at 9:46 AM, Toerless Eckert <tte@cs.fau.de> wrote:
> 
> I just said you can unfortunately not claim to be an Internet ISP and
> not carry the whole bloody BGP routing table by just using LISP (unfortunately).
> 
> Aka: Joe touch pointed out that something like LISP (on-demand routing information
> if thats an appropriate classification in our context here) is part of overall
> routing architecture (which i wholeheartedly agree), but its alas not a sufficient
> option to become an Internet ISP, and so i argued its not part of the "Internet Architecture"
> as it is reelevant to this doc.

Agreed. This is a common misconception; LISP and ‘recursive routers’ (which is what I’ve called them for two decades) hide routing from the core by pushing the work to the edge of an enterprise (in an unscalable manner). But they have no impact on how enterprises interconnect.

So, to me at least, they ARE part of the Internet architecture, but don’t replace the need for backbone routing. They just isolate it from pockets under a single enterprise’s control.

Joe

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