This FAQ is released under the WTFPL version 2. Please share it as much as possible, translate it, share it again, compress it, share it again.
This FAQ is meant as a quick-starter for people wondering about adding IPv6 support to their network. It is not meant as a documentation, just as a FAQ, so please keep the contributed answers small and simple. They can however contain links to documentations. Also, sometimes simplifications are made on purpose because on first approach they are OK, so please techies bear with them :)
If you are wondering about adding IPv6 support and see one of your questions not answered here, please add the question, and lurkers will add the answer :)
That being said, the goal is to answer practical beginner questions, not trolls :) In particular, it won't detail at lengths why you want to use IPv6, although here is a brief non-detailed list: