Somewhat related is the interesting series of articles called the "Politically Incorrect Guide to IPv6" which detail some of the issues surrounding IPv6:
Part 1:
http://jl.ly/2011/02/18
Part 2:
http://jl.ly/Internet/v6incor2.html
Part 3:
http://jl.ly/2011/02/27
At the time of writing I'm getting a server error, but I just so happened to read this last Tuesday ...
There is also a bunch of interesting stuff at some msdn blog, but I can't find that right now ...
A little green man told me that "Tricky, the situation is. Does not come easy, a quick solution."