Routing +---------------+ v: import YANG module | ietf-routing | o: augment +---------------+ o | v MPLS base +-----------+ v: import YANG module | ietf-mpls | o: augment +-----------+ o o------+ | \ v v +-------------------+ +---------------------+ MPLS static | ietf-mpls-static@ | | ietf-mpls-ldp.yang@ | . . LSP YANG +-------------------+ +---------------------+ module @: not in this document; shown for illustration only