On Jul 29, 2009, at 10:45 AM, Stephen Kent wrote:
Danny,
I'm not sure I understand how an IXP's connectivity affects their
ability to authorize the relevant ISPs to advertise the prefix. The
IXP would do this by issuing a ROA for each ISP in question, which
means it posts the ROAs to the repository system. That authorizes
each ISP to send a BGP update containing the prefix in question, and
with the ISP's AS# as the origin. There is not need for the IXP to
generate or transmit any BGP updates.
Gotcha, I think the model Randy outlined (i.e., the IXP provider
would issues ROA with all the participants AS numbers so that they
can announce the prefix) is what would need to happen, that makes
sense to me.
Thanks!
-danny
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