%% You should probably cite rfc7050 instead of this I-D. @techreport{ietf-behave-nat64-discovery-heuristic-08, number = {draft-ietf-behave-nat64-discovery-heuristic-08}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-behave-nat64-discovery-heuristic/08/}, author = {Teemu Savolainen and Jouni Korhonen and Dan Wing}, title = {{Discovery of IPv6 Prefix Used for IPv6 Address Synthesis}}, pagetotal = 14, year = 2012, month = may, day = 14, abstract = {This document describes a method for detecting presence of DNS64 and for learning IPv6 prefix used for protocol translation on an access network. The method depends on existence of a well-known IPv4-only domain name "ipv4only.arpa". The information learned enables nodes to perform local IPv6 address synthesis and to potentially avoid traversal through NAT64 on dual-stack accesses and multi-interface deployments.}, }