%% You should probably cite draft-ietf-mpls-rfc4379bis instead of this I-D. @techreport{smack-mpls-rfc4379bis-00, number = {draft-smack-mpls-rfc4379bis-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-smack-mpls-rfc4379bis/00/}, author = {Carlos Pignataro and Nagendra Kumar Nainar and Sam Aldrin and Mach Chen}, title = {{Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures}}, pagetotal = 48, year = 2015, month = aug, day = 26, abstract = {This document describes a simple and efficient mechanism that can be used to detect data plane failures in Multi-Protocol Label Switching (MPLS) Label Switched Paths (LSPs). There are two parts to this document: information carried in an MPLS "echo request" and "echo reply" for the purposes of fault detection and isolation, and mechanisms for reliably sending the echo reply.}, }