Bob Hinden writes: > 2) For now, IANA should limit its allocation of IPv6 unicast > address space to the range of addresses that start with binary > value 001. The rest of the global unicast address space > (approximately 85% of the IPv6 address space) is reserved for future > definition and use, and is not to be assigned by IANA at this time. > > It was well understood that it was important to keep most of the IPv6 > address space open to allow for future use. If it were well understood, nobody would have ever been foolish enough to suggest blowing 2^125 addresses right up front. I've already explained the folly of this in a previous post.