Overview of the KAME stack The IPsec stack of the KAME project is designed to work with both IPv4 and IPv6: It was initially designed for IPv6 The IPsec code is compliant with the following RFCs: For "old" IPsec: from RFC1825 to RFC1829 For "new" IPsec: from RFC2401 to RFC2406 and RFC2451 The IPcomp protocol is implemented: RFC2393: IP Payload Compression Protocol The key management daemon (racoon) follows the IKE specifications: RFC2407 to RFC2409 The IPsec stack is implemented directly into the kernel of the operating system while the IKE daemon is implemented into userland