Good news, privacy addressing (ex. RFC 4941) exists and is enabled by default on OS X (10.7+) and Windows 7. Privacy addressing rotates the host section of the

Good news, privacy addressing (ex. RFC 4941) exists and is enabled by default on OS X (10.7+) and Windows 7. Privacy addressing rotates the host section of the IP address by default once a day, leaving IPv6 host detection similar to IPv4+NAT. It seems like Linux may be a mixed bag (by distro) w/r/t it being enabled as default. I could definitely see cheap embedded devices based on a current Linux distro not bothering to change defaults to enable it.