SURFnet has published a lot about IPv6 in the past few years.
Now that all (or almost all) the available IPv4 addresses have been allocated, it is becoming increasingly important to implement IPv6. The documents listed below can help you do so. They have been drawn up for and by the institutions that are connected to SURFnet. In English:
In Dutch:
If you want to check whether you already use IPv6, then do SURFnet’s IPv6 check.
SURFnet is the first organisation in the world to produce a manual to help network architects and network managers draw up a good IPv6 addressing plan.
Download the manual.