New features in our releases

IPsec
Transport mode AH, ESP with manual keying
IPV6_V6ONLY socket option
reworked bind(2) behaviour / packet handling
By default, PF_INET6 sockets eat PF_INET traffic (original Linux behaviour)
With IPV6_V6ONLY, PF_INET6 sockets won't eat PF_INET traffic, and PF_INET6 and PF_INET may co-exist.
Privacy Extensions
Source address selection by longest prefix match
Per-interface Statistics for MIBs
ICMPv6 Node Information Queries
Traffic class API
IPv6 over ARCnet
tester needed
Mobile IP
based on HUT's implementation (MIPL)