classful routes redux

Joseph S D Yao jsdy at center.osis.gov
Mon Nov 7 21:05:43 UTC 2005


On Mon, Nov 07, 2005 at 09:33:30PM +0100, Henk Uijterwaal wrote:
> At 11:57 07/11/2005, Michael.Dillon at btradianz.com wrote:
> >> What about those that are assigned and used but not [currently] visible
> >> on the public Internet [i.e., are on other internets]?
> >
> >Indeed!
> >
> >On Henk's slide number 5 he states:
> >
> >"Each AS wants to be able to send traffic to any other AS"
> >
> >This is NOT true. Many ASes explicitly do *NOT*
> >want to send traffic to any other AS. They only want
> >to send traffic to customers, vendors or business
> >partners of some sort.
> 
> You are right, but this was not the point I was trying to make on
> this slide.
> 
> The point I was trying to make is: A site is assigned an AS if it has a
> network that is connected to the global Internet and wants to send 
> traffic somewhere.  (If not, why bother to get an AS?)  ...
...

Because it is connected to a DIFFERENT internet and wants to send
traffic somewhere.

My point was that the slide makes it sound like it covers ALL ASNs [as
does your text, above], and there is AT LEAST one other possibility.

-- 
Joe Yao
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