| G.8110.1 | architecture of T-MPLS layer network | definition of the functional architecture of T-MPLS networks |
| G.8112 | interfaces for the T-MPLS hierarchy | definition of the interfaces for a T-MPLS network（frame format，client mapping） |
| G.8113 | requirements for OAM function in T-MPLS based networks | requirements for user plane OAM functionality |
| G.8114 | operation＆maintenance mechanism for T-MPLS layer networks | definition of mechanisms for user plane OAM functionality |
| G.8121 | characteristics of T-MPLS equipment functional blocks | definition of the functional description of T-MPLS equipment |
| G.8131 | linear protection switching for T-MPLS networks | definition of mechanisms for 1+1 and 1：1 linear protection switching |
| G.8132 | T-MPLS shared protection ring（TM-SPRing） | definition of mechanisms for ring protection switching |
| G.8151 | management aspects of the T-MPLS NE | definition of the management aspects of T-MPLS equipment |
