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Re: BGP-4+

Yakov Rekhter <yakov@cisco.com> Wed, 18 December 1996 22:53 UTC

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Message-Id: <199612182227.OAA19295@puli.cisco.com>
To: "John W. Stewart III" <jstewart@metro.isi.edu>
Cc: skh@merit.edu, 6bone@isi.edu, dkatz@cisco.com, bgp@ans.net
Subject: Re: BGP-4+
In-Reply-To: Your message of "Wed, 18 Dec 96 17:21:15 EST." <199612182221.AA20250@metro.isi.edu>
Date: Wed, 18 Dec 96 14:27:54 PST
From: Yakov Rekhter <yakov@cisco.com>
Sender: owner-idr@merit.edu
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John,
 
> under what circumstances does a router send SNPAs? and
> what does a router do on receipt of SNPAs?

One possible application for SNPA is operation of BGP over NBMA (e.g.,
ATM). Passing SNPA allows to avoid any additional mechanisms to resolve
IP to SNPA mapping in the NBMA environment.

> also, from reading the draft, i'm assuming that you plan
> to support only ASs and not RDs? did you consider typing
> routing domains in addition to network addresses?

I am a bit confused - in my mind "RD" and "AS" describe
pretty much similar thing. 

Yakov.

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