6BUSI I.van HELVOORT H.HE J MPLS-TP OAM based on Y.1731[R]draft-bhh-mpls-tp-oam-y1731-04 2010.
7FULIGNOLI A.BOUTROS S.VIGOUREUX M Proactive connection verification,continuity check and remote defect Indlcatlon for MPLS transport profile[R].draft-asm-mpls-tp-bfd-CC-CV-01 2009.
8IETF RFC 5317.Joint working team(JWT)report on MPLS a rchttectural considerations for a transport profilee[S].2009.