New AddressInfo element gives convenient ip address, ip6 address, ip network address, and ethernet address shorthand. You can now say things like this. AddressInfo(butt 18.26.4.44 00:c0:85:a3:4d:99, fun-orgy 18.26.4.15); ... -> IPEncap(6, butt, fun-orgy) -> EtherEncap(0x0800, butt, ...) -> ... love, ed