%% You should probably cite draft-ietf-bfd-unaffiliated-echo-10 instead of this revision. @techreport{ietf-bfd-unaffiliated-echo-02, number = {draft-ietf-bfd-unaffiliated-echo-02}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-bfd-unaffiliated-echo/02/}, author = {Weiqiang Cheng and Ruixue Wang and Xiao Min and Reshad Rahman and Raj Chetan Boddireddy}, title = {{Unaffiliated BFD Echo Function}}, pagetotal = 10, year = 2021, month = jun, day = 23, abstract = {Bidirectional Forwarding Detection (BFD) is a fault detection protocol that can quickly determine a communication failure between two forwarding engines. This document proposes a use of the BFD Echo function where the local system supports BFD but the neighboring system does not support BFD.}, }