%% You should probably cite rfc8201 instead of this I-D. @techreport{ietf-6man-rfc1981bis-08, number = {draft-ietf-6man-rfc1981bis-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-6man-rfc1981bis/08/}, author = {Jack McCann \textless{}\textgreater{} and Stephen E. Deering \textless{}\textgreater{} and Jeffrey Mogul \textless{}\textgreater{} and Bob Hinden}, title = {{Path MTU Discovery for IP version 6}}, pagetotal = 19, year = 2017, month = may, day = 27, abstract = {This document describes Path MTU Discovery (PMTUD) for IP version 6. It is largely derived from RFC 1191, which describes Path MTU Discovery for IP version 4. It obsoletes RFC 1981.}, }