I'm making a product from scratch shortly and think the tide has turned to support IPv6 as much as possible. I haven't looked. Are Docsis Cable modems 2.0 IPv6 aware? How about MS operating systems? If ISP's and cable ops didn't ration fixed IP's NAT wouldn't be so popular. Its a way to evade an cost which is arguably illegitimate in the first place. The operators caused this, and not it reduces there income. They did it to make money; (and also were too busy to notice what they were doing). Can be fixed in a number of ways. -Dan K >Almost all via dual-stack. Those who have done so have >found the extra cost minimal where the v6 capability is introduced as part of >a normal procurement cycle. The UK academic backbone JANET is one example >in your context. Remember it's not about migrating in most circumstances, >it's about parallel capability to enable v6 to operate now as the first phase >of a (very long) transition. But some networks are emerging ipv6-only, >particularly in Asia. >Tim