%% You should probably cite draft-ietf-intarea-tunnels-13 instead of this revision. @techreport{ietf-intarea-tunnels-02, number = {draft-ietf-intarea-tunnels-02}, 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-intarea-tunnels/02/}, author = {Dr. Joseph D. Touch and Mark Townsley}, title = {{IP Tunnels in the Internet Architecture}}, pagetotal = 40, year = 2016, month = jan, day = 25, abstract = {This document discusses the role of IP tunnels in the Internet architecture. It explains their relationship to existing protocol layers and the challenges in supporting IP tunneling based on the equivalence of tunnels to links.}, }