[address-policy-wg] 2019-05 New Policy Proposal (Revised IPv4 assignment policy for IXPs)

* Marco Schmidt

> A new RIPE Policy proposal, 2019-05, "Revised IPv4 assignment policy for IXPs" is now available for discussion.

I am positive to this policy proposal.

A suggestion, though: use the /16 set aside in «5.2 Unforeseen circumstances» for expanding the IXP pool.

The unforeseen circumstances reservation is 185.0.0.0/16 while the IXP pool is 185.1.0.0/16. They combine nicely into 185.0.0.0/15. This might be helpful for operators that might want to exempt known IXP ranges from uRPF filtering, for example.

Also, I am wondering about the thinking behind giving out /24s by default when the minimum assignment size is reduced /27. Why not right-size the assignment all the way down to the minimum assignment size, thus maximising the amount of future entrants the pool can support? There's nothing special about the /24 boundary for the IXP use case, to the best of my knowledge.

Tore