nanog mailing list archives

Re: too many routes


From: Paul Traina <pst () juniper net>
Date: Wed, 10 Sep 1997 07:41:38 -0700


  From: Vadim Antonov <avg () pluris com>
  Subject: RE: too many routes
  Joseph T. Klein  <jtk () titania net> wrote:
  
  >The routes issue historically comes down to the fact that Sprint did not
  >want to convert from Cisco 4000 to Ciscos that had larger memory capacity.
  
  Sprint never used cisco 4000s in the backbone.  Just FYI.
  
  Historically, memory limitation was because CSC/4 board in AGS/+
  routers had memory soldered in.  The box was absolute top of the line
  when it started to fall over.

Not to mention the obvious problem, the routing table was growing
exponentially.  I don't care how much memory you put in a box, if
we hadn't solved that problem, the game would have been over.
  
  >Memory is cheap these days ... the big boys just don't wish to have a
  >free market.
  
  This statement shows that the level of comprehension of the issues
  remains absymally low.
  
  It is NOT memory; it is CPU which is a limiting factor.  Even the
  mainframes would keel over on routing computations if the drastic
  measures weren't taken to aggregate and dampen.

Absolutely.


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