AS number assignment criteria

 * 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......

-Marten