%% You should probably cite draft-liu-sunset4-gapanalysis instead of this I-D. @techreport{ietf-sunset4-gapanalysis-03, number = {draft-ietf-sunset4-gapanalysis-03}, 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-sunset4-gapanalysis/03/}, author = {Jean-Philippe Dionne and Simon Perreault and Tina Tsou (Ting ZOU) and Cathy Zhou}, title = {{Gap Analysis for IPv4 Sunset}}, pagetotal = 9, year = 2013, month = jul, day = 15, abstract = {Sunsetting IPv4 refers to the process of turning off IPv4 definitively. It can be seen as the final phase of the migration to IPv6. This memo enumerates difficulties arising when sunsetting IPv4, and identifies the gaps requiring additional work.}, }