[ Thanks to IPv6 for this link.
]
“This article is intended as a guide to assist new entrants into
the IPv6 world. We will show three successively more complex
examples of migration strategies from IPv4 to IPv6. The examples
utilize Linux-based routers, firewalls, and proxy servers, although
the attached workstations are assumed to be Windows-based machines.
These examples will help the user understand the deployment of (or
migration to) an IPv6 network…”