routing policy
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... AS), and lists criteria for such. ASes are the
unit of routing policy in the modern world of exterior routing, and
are specifically applicable to protocols like EGP ...
... or more network operators which has a SINGLE and CLEARLY DEFINED
routing policy.
...
... AS that we list
below; nevertheless, doing so is probably the only way to implement
the desired routing policy.
...
... possible within a given AS, provided all of them conform to the
same routing policy.
* Unique routing policy ...
...
An AS is only needed when you have a routing policy which is
different from that of your border gateway peers. Here routing
policy ...
... routing policy which is
different from that of your border gateway peers. Here routing
policy refers to how the rest of the Internet makes routing
...
... lights the clear distinction in the use of the AS number as a
representation of routing policy as opposed to some form of
administrative use.
...
... service provider (i.e. more than
one AS with its own routing policy). It does not mean a network
multi-homed running an IGP ...
... Topology
Routing policy decisions such as geography, AUP (Acceptable Use
Policy) compliance and network topology can influence decisions
...
... consideration of whether or not an AS is needed in terms of
adding additional information for routing policy decisions by
the rest of the Internet. Careful consideration should be taken
...
... AS number application forms have historically made no reference
to routing policy. All too often ASes have been created purely
...
... direct consequence of the fact that at each point in the Internet
there can be exactly one routing policy for traffic destined to each
prefix ...