sentences:  T-MPLS OAM, defined in ITU Y.1711, is different from MPLS OAM and lacks powerful management tools that carriers typically expect.T MPLS was abandoned by the ITU-T in favor of MPLS-TP in December 2008.MPLS-TP or MPLS Transport Profile is a profile of MPLS developed in cooperation between ITU-T and IETF since 2008 as a connection-oriented packet-switched (CO-PS) extension.