PathLabel         = PATH-LABEL-TYPE TLV-LENGTH
                    PathLabelFlags
                    PathLabelBitmap

PathLabelFlags    = PATH-LABEL-FLAGS-TYPE
                    TLV-LENGTH ; == 1
                    OCTET

NexthopLabel      = PATH-LABEL-NEXTHOP-LABEL-TYPE
                    TLV-LENGTH ; == 2
                    2 OCTET

PathLabelHopCount = PATH-LABEL-HOP-COUNT-TYPE
                    TLV-LENGTH ; == 1
                    OCTET

PathLabelBitmap   = PATH-LABEL-BITMAP-TYPE
                    TLV-LENGTH ; == 64
                    64 OCTET