Service Function Chaining: Subscriber and Policy Identification Variable-Length Network Service Header (NSH) Context Headers

Document Type Replaced Internet-Draft (sfc WG)
Authors Mohamed Boucadair  , Dirk Hugo  , Behcet Sarikaya 
Last updated 2019-01-09 (latest revision 2018-11-14)
Replaces draft-sarikaya-sfc-hostid-serviceheader
Replaced by RFC 8979
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
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Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-sfc-serviceid-header
Consensus Boilerplate Unknown
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document discusses how to inform Service Functions about subscriber- and service-related information for the sake of policy enforcement and appropriate service function chaining operations.


Mohamed Boucadair (
Dirk Hugo (
Behcet Sarikaya (

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