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Controlled Return Path for Service Function Chain (SFC) OAM

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft whose latest revision state is "Replaced".
Expired & archived
Authors Ting Ao , Greg Mirsky , Zhonghua Chen
Last updated 2020-06-03 (Latest revision 2019-12-01)
Replaced by draft-ietf-sfc-multi-layer-oam, draft-ietf-sfc-multi-layer-oam, RFC 9516
RFC stream (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document defines an extension to the Service Function Chain (SFC) Operation, Administration and Maintenance (OAM) that enables control of the Echo Reply return path directing it over a Reverse Service Function Path. Enforcing the specific return path can be used to verify the bidirectional connectivity of SFC and increase the robustness of SFC OAM.


Ting Ao
Greg Mirsky
Zhonghua Chen

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)