IPv6 has private addresses too. In my network, all computers have 3 addresses: public, private and link-local. All local services use the private ones and those

IPv6 has private addresses too. In my network, all computers have 3 addresses: public, private and link-local. All local services use the private ones and those never change. (I don't think they're called "private" in the spec, but the idea is the same)