Introduction to IPv6 http://www.onlamp.com/pub/a/onlamp/2001/05/24/ipv6_tutorial.html
Getting Connected with 6to4 http://www.onlamp.com/pub/a/onlamp/2001/06/01/ipv6_tutorial.html
6to4 IPv6 Explained, or: Flogging a Dead Horse http://www.feyrer.de/NetBSD/6to4.html
"Implementing AF-independent application"
Interview with Jun-ichiro "Itojun" Hagino about the KAME Project http://www.feyrer.de/NetBSD/interview-itojun.html
author's homepage is www.fml.org/home/fukachan/.
Also, visit nuinui's world :) at www.nuinui.net.
For questions about FML, e-mail <fml-bugs@fml.org>.