Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The KAME project was a joint effort of six organizations in Japan which aimed to provide a free IPv6 and IPsec (for both IPv4 and IPv6) protocol stack implementation for variants of the BSD Unix computer operating-system. The project began in 1998 and on November 7, 2005 it was announced that the project would be finished at the end of March 2006.The name KAME is a short version of Karigome, the location of the project''s offices, and it also is a word for turtles.