@techreport{ietf-sfc-multi-layer-oam-19, number = {draft-ietf-sfc-multi-layer-oam-19}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/html/draft-ietf-sfc-multi-layer-oam-19}, author = {Greg Mirsky and Wei Meng and Bhumip Khasnabish and Ting Ao and Kent Leung and Gyan Mishra}, title = {{Active OAM for Service Function Chaining}}, pagetotal = 36, year = 2022, month = mar, day = 31, abstract = {A set of requirements for active Operation, Administration, and Maintenance (OAM) of Service Function Chains (SFCs) in a network is presented in this document. Based on these requirements, an encapsulation of active OAM messages in SFC and a mechanism to detect and localize defects are described.}, }