Hesham, VOIP with SIP seems like a good app for enterprises. I think IPv6 helps. John > Admittedly I can't remember where I read it, but I've come across > a suggestion that enterprise networks adopting IPv6 is likely to > happen before ISPs provide it in any big way, as enterprise > networks have more to gain from the technology (well, possibly, > assuming they can be convinced that "proper" address space is > better than NAT). => I'm a bit confused as to why enterprises would be interested in v6. There are even prorietry solutions that allow for VPN access behind a NAT. And enterprises are not known for encouraging p2p apps for their employees. So this business case doesn't seem like a winner to me. My hope has been that p2p apps will one day be "needed now" and force people to turn v6 on in their networks. Once enterprises have it, they will then ask > for it from their ISP. => Sure, but it's not clear that they'd be early adopters. Autoconfig of addresses will not be enough, if they ever use it. Hesham