However, making it available as experimental-private-unicast gives vendors a reason to introduce support, and operators some flexibility to request it. In a closed ecosystem it isn't terribly hard to deploy - managed gateways and BNGs are relatively easy to upgrade. aj (A Vendor. Who would introduce support for it.) ------Original Message------ From: Brian E Carpenter To: aj(a)sneep.net Cc: NZNOG(a)list.waikato.ac.nz Subject: Re: [nznog] Bogan Lists? Sent: 21 Oct 2011 17:23 On 2011-10-22 12:59, Alastair Johnson wrote:

Personally I'd like to see 240/4 reclassified as experimental private addressing (ie. not Internet unicast), because that allows use in closed environments with a single administrative domain... Whether it ever happens or not depends on how enthusiastic people get about it, I suppose...

That was of course discussed but the conclusion was that it's hard-coded into many IP stacks as invalid, so it would be pretty much unusable in practice. Brian