Thanks for this, Olaf. Indeed, we are considering follow-up work, and understanding the scenarios & possible need for producing a revised version of NAT-PT is on the Vancouver agenda (currently planned to be a discussion in V6OPS, with protocol work to fall out to an INT area WG). Jari _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf