IPv6 - Public IPs, private IPs, IPs derived from the MAC address? Confused!

Posted by sinni800 on Super User See other posts from Super User or by sinni800
Published on 2011-02-23T15:15:26Z Indexed on 2011/02/23 15:27 UTC
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I'm pretty much excited for IPv6 because of the large address room and (potential?) owning of more than one IP, or even tens of IPs (/122 subnet?)

Though one magazine has now confused me.

In a current issue (no. 3) of "CT", a German computer magazine, I read that when using IPv6 your IP address consists of your MAC address and various other things, and that this address will be public on the web, no matter what access point / LAN you connect to.

My knowledge of IP(v6) is in contrary of this. I thought you will normally always have a a local network IP and NAT takes care of your Internet access, and your provider gives the NAT router an IP.

I've heard of the 6to4 interface, but does this one give you your own ip in the IPv6 net?

Personally I hope it still is through a personal IP space (like 192.168, 127.16-31, 10. in IPv4) in private networks with a NAT going to the Internet. And also I hope that providers will offer subnets to private customers so they don't have to use NAT anymore. Yay for converting your LAN into the WAN and using better security (so Computers from the same subnet still get access rights like normal).

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