@techreport{worley-sipcore-dual-stack-01, number = {draft-worley-sipcore-dual-stack-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-worley-sipcore-dual-stack/01/}, author = {Dale R. Worley}, title = {{Contacting Session Initiation Protocol (SIP) Servers in a Dual-Stack IP Network}}, pagetotal = 14, year = 2016, month = jul, day = 18, abstract = {In a dual-stack (IPv4 and IPv6) environment, the procedures of RFC 3263 by which a Session Initiation Protocol (SIP) client contacts a server may not suffice to provide a good user experience. This document describes "Happy Eyeballs" modifications -- modifications of the procedures of RFC 3263, as well as additional client procedures -- which improve the SIP user experience in many circumstances.}, }