Re: IPv4 and ASN Policy draft on-line

• From: "Wilfried Woeber, UniVie/ACOnet" < >
• Date: Tue, 25 Sep 2001 15:18:35 +0200
• Cc:

>>   there are valid cases where a (globally unique) AS# is required which
>>   does not show up in the DFZ.  (and, of course, there are places where a
>>   private AS# would do just as well).
> Hmmm.  I'm curious: could you name a few?  The things that I could
> imagine are "private peerings somewhere", which "should" work using
> private AS#s just fine.

  BGP within _one_ administrative domain can (most probably in most cases)
  use private AS#s, and indeed we are using them in that situation.
  
  However when the peerings have to span policy/operations-coordination/
  ISP boundaries, then private number space becomes unmanageable.
  
  Wilfried.

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