http://www.rfc-editor.org/rfc/rfc7428.txt
RFC 7428: Transmission of IPv6 Packets over ITU-T G.9959 Networks, A. Brandt, J. Buron2015-02-01T23:00:00-00:00This document describes the frame format for transmission of IPv6 packets as well as a method of forming IPv6 link-local addresses and statelessly autoconfigured IPv6 addresses on ITU-T G.9959 networks.