AS number assignment criteria

  > Marten Terpstra <Marten.Terpstra at ripe.net> writes:
  > 
  >  * 3 - "To identify single-homed ASes."
  >  * They connect to a service provider or to another enterprise and
  >  * use external routing. The other end tells them they need an ASN.
  >  * Strictly speaking they do not need one, because they can only have
  >  * one external policy.
  > 
  >  * The question now is: Should we assign ASNs to those in category 3 
  >  * who request it because their ISP requires it?
  >  * This is a potentially large number.
  >  * 
  >  * Opinions?
  > 
  > Potentially the ISP can request an AS because it can enforce a
  > stricter policy on its client than on its own AS. It can for instance
  > say that the customer AS will not be announced to XX where the AS of
  > the provider itself could be announced to XX. Unlikely, but a
  > different policy possibly needing an AS......

Right.