On Jul 29, 2009, at 10:14 AM, Terry Manderson wrote:
Certainly one to add to the use-cases material.
Off the top of my head, from my interpretation the IX operator
(presumably
who does not have an ASN) would issue a ROA for each and every IX
participant's AS to announce the IX prefix from the customer AS.
If the IX does have an AS, the might like to announce from their own
AS and
then perhaps attempt to control route distribution. Meaning they would
create a ROA for their own prefix.
Well, most of the time there's direct interconnection there
and the IX operator isn't in the Network layer path or even
necessarily a participate in routing with IXP connectors..
If the IX does not participate in RPKI, the prefix can be announced by
anyone with any origin, and distributed as far and wide as filters
will
allow.
(even in the face of any RIR 'rules' about advertising of IX prefixes)
Until RPKI is deployed ubiquitously and filters are all
based upon it.
-danny
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