%% You should probably cite rfc7308 instead of this I-D. @techreport{ietf-mpls-extended-admin-group-00, number = {draft-ietf-mpls-extended-admin-group-00}, 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-mpls-extended-admin-group/00/}, author = {Eric Osborne}, title = {{Extended Administrative Groups in MPLS-TE}}, pagetotal = 10, year = 2013, month = oct, day = 16, abstract = {This document provides additional administrative groups (sometimes referred to as "link colors") to the IGP extensions for MPLS-TE.}, }