%% You should probably cite draft-ietf-sfc-multi-layer-oam instead of this I-D. @techreport{ao-sfc-oam-return-path-specified-02, number = {draft-ao-sfc-oam-return-path-specified-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-ao-sfc-oam-return-path-specified/02/}, author = {Ting Ao and Greg Mirsky and Zhonghua Chen}, title = {{Controlled Return Path for Service Function Chain (SFC) OAM}}, pagetotal = 8, year = 2018, month = oct, day = 19, abstract = {This document defines extensions to the Service Function Chain (SFC) Operation, Administration and Maintenance (OAM) that enable control of the Echo Reply return path by specifying it as Reverse Service Function Path. Enforcing the specific return path can be used to verify bidirectional connectivity of SFC and increase the robustness of SFC OAM.}, }