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BGP-4+

Dave Katz <dkatz@cisco.com> Thu, 19 December 1996 01:05 UTC

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Date: Wed, 18 Dec 1996 16:42:32 -0800
From: Dave Katz <dkatz@cisco.com>
Message-Id: <199612190042.QAA25743@puli.cisco.com>
To: photon@nol.net
Cc: yakov@cisco.com, jstewart@metro.isi.edu, 6bone@isi.edu, bgp@ans.net
In-Reply-To: Brandon Black's message of Wed, 18 Dec 1996 17:31:25 -0600 (CST) <Pine.GSO.3.95.961218172838.24709A-100000@dazed.nol.net>
Subject: BGP-4+
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The expansion of the AS/RD space is an orthogonal issue, and one that is
far more difficult to achieve in a backward compatible fashion.  I would
argue that this is beyond the scope of the hack on the table...

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   Date: Wed, 18 Dec 1996 17:31:25 -0600 (CST)
   From: Brandon Black <photon@nol.net>
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   On Wed, 18 Dec 1996, Yakov Rekhter wrote:

   > John,
   >  
   > >  > > 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. 
   > > 
   > > AS is two bytes, while RD is variable.  right? or is
   > > it me that's confused?
   > 
   > Ok, I got it (I was confused). 
   > 
   > To answer your question, it doesn't look like we'll have shortage of 
   > ASs any time soon. So, it is not clear if there is a need for variable
   > length RDs.
   > 
   > Yakov.
   > 

   Famous last words :)

   Bill Gates I think once said something along the lines of "nobody will
   _ever_ need more than 640 kilobytes of main memory"

   And somebody (some whole group of bodies) once thought that a 32-bit IP
   address would hold off for along time....

   Just food for thought...

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