Michael: I disagree with you. RIR YES would need a policy for doing what you are suggesting. In fact, the policy proposed is a particular case of what you are suggestign. When there are only 5 /8s IANA ask all the RIRs what would be your future (short term) needs. And obviously the answer would be "At least one /8". Raúl At 06:59 a.m. 01/06/2008, michael.dillon@bt.com wrote:
I am curious about other situation. Suppose that IANA allocates the last 2 /8s to the RIR A and one day later IANA receives a request from the RIR B that is running out of IPv4 addresses while the RIR A has (at least) 2 /8s.
I don't think that IANA would ever do this because it would be an incredibly stupid thing to do. Since I have never heard IANA being accused of gross incompetence before, I have to believe that when they receive that request from RIR A, they will ask all the other RIRs about how many addresses they need before allocating anything. In fact, I expect IANA to do this well before the last 2 /8 blocks. Then, after consulting all RIRs, I expect IANA to publish their intentions and ask for comments before allocating any blocks.
This is just good business practice and I don't think that the RIRs need to write policies which tell IANA to do this.
--Michael Dillon
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