On Tuesday, December 07, 2010 08:57 AM, David wrote: > Folks > > I have been following the IPV6 comments. > > What concerns me with the loss of NAT are the following issues: > > 1) My friend from half-way around the world comes to visit. He turns > on his IPV6 enabled device (think Ipad), and wants to use my ISP's > connection. What IP address does he get? If it's his home address, > that makes routing difficult. If he dynamically gets one of "my" addresses > a) Did my ISP give me enough? Let's see...if you apply for ipv6, you get a /48 network or as David put it, 65k worth of /64 subnets. > b) Do I get charged by my ISP on a per-device basis? Heh, if they want to micromanage... > > 2) Today, my ISP doesn't know (or doesn't care) how many devices I > have in my home -- my Linux gateay with DHCP and NAT hides all of > that. With IPV6, what is to prevent my ISP from charging me a > per-device fee? I don't know...a bridging firewall? > > 3) When I connect my IPV6 refrigerator with its automatic inventory > system tracking every RFID-enabled carrot I use, won't I be making my > shopping habits visible to all those annoying advertisers? Or, in > other words, am I compromising my privacy? Actually, although such > dissemination of information can be blocked by a correctly designed > firewall, I suspect the "Free IPv6 DSL Modem and Router, Sponsored by > <your-favorite-commercial-site>" that comes with your ISP contract, > would err on the side of promiscuity. > > Concerned Linux/Windows/Mac/Wii/Iphone/Ipod/Ipad/Xbox user > See above.