Otmar Lendl wrote:

Corrolary: The ENUM v2 scheme that Patrick and Olof came up with will neither solve User-ENUM vs. I-ENUM branching, nor will it be suitable for an I-ENUM deployment in a country with an open numbering plan.

Please convince me that I'm wrong about this one.

Hi Otmar, I have expressed the same worries about it, and Patrick and Olaf considder this a layer nine issue rather than something they're trying to solve. Not only for open numbering plans, but also for block allocations, ENUM v2 offers no solution for the authority over the delegation problem. I considder this the real issue, and even though ENUM v2 will solve direct querying for specific records, the increase in delegation points will not have any value for non fixed length numbers, and might even confuse people even more. But they do have a valid point when they say that any (new) type of operator might claim their own tree to control their ENUM space, and we need a solution for that. I think that differentiating should take place as close to the root as possible to make sure that implementation is the same around the world, and applications know where to query. Antoin Verschuren Technical Advisor Policy & Business Development SIDN Utrechtseweg 310 PO Box 5022 6802 EA Arnhem The Netherlands T +31 26 3525510 F +31 26 3525505 M +31 6 23368970 E antoin.verschuren@sidn.nl W http://www.sidn.nl/