At 6:56 AM +1100 11/10/11, Geoff Huston wrote:
...
I did not claim it existed - I merely disagreed with the claim of its
impossibility of existence.

OK.

In the same way that the only way you can eliminate the "unknown" validation
outcome is to achieve universal adoption of the generation of credentials,
the general visibility of intent relies on universal adoption on the generation of routing policy. It is not impossible per se, it just relies on universal adoption!

agreed.

In the case of the efforts relating to RPSL, reality has not achieved such targets
of universal adoption, as you point out.

OK.

In the case of the efforts relating to the BGP security mechanisms you are working on, it is an open issue as to how many folk would adopt it, but our experiences
of other technologies, including 4 byte ASN support indicate that universal
adoption is an extremely challenging objective.

no argument.

Thanks for the thoughtful, detailed reply.

Steve
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