Internet
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... OSI Inter-Domain Routing Protocol, which the
Internet is expected to adopt when BGP becomes obsolete; see [IDRP]).
...
... an AS. It is expected that the reader is familiar with routing
protocols and will be someone who configures and operates Internet
networks. Unfortunately, there is a great deal of confusion in how
ASes should be used today; this memo attempts to clear up some of
...
... This document refers to the term "prefix" throughout. In the current
classless Internet (see [CIDR]), a block of class A, B, or C networks ...
... Routing policy here is defined as how routing decisions are made in
the Internet today. It is the exchange of routing information
between ASes ...
... different from that of your border gateway peers. Here routing
policy refers to how the rest of the Internet makes routing
decisions based on information from your AS ...
... adding additional information for routing policy decisions by
the rest of the Internet. Careful consideration should be taken
when basing AS creation on these type of criteria.
...
... created purely
because it was seen as "part of the process" of connecting to
the Internet. The document should be used as a reference from
future application forms to show clearly when an AS is needed.
...
... prefix can should belong to only one AS. This is a
direct consequence of the fact that at each point in the Internet
there can be exactly one routing policy for traffic ...
... allocated and a little under 600 ASes are actively routed in the
global Internet. It is clear that this growth needs to be continually
monitored. However, if the criteria applied above are adhered to,
then there is no immediate danger of AS ...
...
The Internet Assigned Numbers Authority (IANA) has reserved the
following block of AS numbers ...