This is kind of random, but I was thinking tonight about the shortage of IPv4 IPs. How exactly is the world going to "migrate" to IPv6? Will normal people be able to use IPv4 on their LANs and have the router translate the packets to go through an IPv6 public IP? DNS servers are going to have to be changed, and does BIND even support IPv6 yet? I'm relatively network-savvy but IPv6 confuses me to no end, can anyone shed some light on this? I'd like to learn how to use it, and my router is on PFsense so I know it supports it. What's the best way to implement it, or should I worry about it at all on my LAN?
Will normal people be able to use IPv4 on their LANs and have the router translate the packets to go through an IPv6 public IP
Yes network translation will take care of this
does BIND even support IPv6 yet
Yes since v9
I would not worry about on your LAN ( i assume home LAN) unless you are hosing servers even then there are ways around it.
quick guide here might be a good start for you.
http://www.tutorialspoint.com/ipv6/ipv6_quick_guide.htm
You don't really need to worry about IPv6 unless your internet connection supports it.
Probably the biggest advantage of it (a lot of the features introduced with IPv6 were made available for IPv4 because everyone's been pretty slow adopting it) is that you won't need to use NAT anymore. This means that every device on your network can have a globally routed IP address so you can access it from anywhere on the internet. So you don't need to mess around with port forwards and all that. One thing I don't understand however is if your ISP assigns your devices public IP addresses then how do you control your local network? Normally it's your local DHCP server which hands out IP addresses and you can organize it however you like but if that's being done outside your network then how will you have any control over it?
How you set up your local network is still up to you. While it is technically true IPv6 allows for the possibility that each device can have a truly routable address, the security benefits of NAT routers as hardware firewalls and legacy devices will mean that LANs will continue to be IPv4 compatible (and hence un-routable) for the forseable future.
In the worst case (where your isp is insane), you could just add a second home router to your home network behind the ISP's modem/router/box thing and hide all your devices behind that second device.
+1