http://www.rfc-editor.org/rfc/rfc7166.txt
RFC 7166: Supporting Authentication Trailer for OSPFv3, M. Bhatia, V. Manral, A. Lindem2014-03-01T23:00:00-00:00The OSPFv3 Authentication Trailer was originally defined in RFC 6506. This document obsoletes RFC 6506 by providing a revised definition, including clarifications and refinements of the procedures.