http://www.rfc-editor.org/rfc/rfc7271.txt
RFC 7271: MPLS Transport Profile (MPLS-TP) Linear Protection to Match the Operational Expectations of Synchronous Digital Hierarchy, Optical Transport Network, and Ethernet Transport Network Operators, J. Ryoo, E. Gray, H. van Helvoort, A. D'Alessandro, T. Cheung, E. Osborne2014-06-01T23:00:00-00:00This document updates RFC 6378 in that the capability advertisement method defined here is an addition to that document.