Address Sharing demystifies the upsides with any Statelss 4v6 techniques. It is worth pointing out that dIVI/dIVI-PD, unlike CGN44, DS-Lite, CGN64 etc., does not require any Stateful NAT, DNS64 and ALG in the network, thereby benefiting the network operator to not deal with any NAT logging etc. Relation to IVI Translation Due to the stateless nature, the dual stateless translation can easily become single stateless translation by removing the second translator, see IVI Translation. References External links www.ivi2.org Routing software IPv6 transition technologies