The gmplsTunnelCHopTable sparsely extends the mplsTunnelCHopTable of MPLS-TE-STD-MIB. It is used to indicate additional information about the hops of a GMPLS tunnel defined in the mplsTunnelTable and gmplsTunnelTable, as computed by a constraint-based routing protocol, based on the mplsTunnelHopTable and the gmplsTunnelHopTable. Each row in this table is indexed by the same indexes as in the mplsTunnelCHopTable. It is acceptable for some rows in the mplsTunnelCHopTable to have corresponding entries in this table and some to have no corresponding entry in this table. Please note that since the information necessary to build entries within this table may not be supported by some LSRs, implementation of this table is optional. Furthermore, since the information in this table is actually provided by a path computation component after the path has been computed, the entries in this table are provided only for observation, and hence, all objects in this table are accessible exclusively as read-only.