http://www.rfc-editor.org/rfc/rfc5960.txt
RFC 5960: MPLS Transport Profile Data Plane Architecture, D. Frost, S. Bryant, M. Bocci2010-08-01T23:00:00-00:00This document is a product of a joint Internet Engineering Task Force (IETF) / International Telecommunication Union Telecommunication Standardization Sector (ITU-T) effort to include an MPLS Transport Profile within the IETF MPLS and Pseudowire Emulation Edge-to-Edge (PWE3) architectures to support the capabilities and functionalities of a packet transport network. [STANDARDS-TRACK]