%% You should probably cite draft-sfc-serviceid-header instead of this I-D. @techreport{sarikaya-sfc-hostid-serviceheader-06, number = {draft-sarikaya-sfc-hostid-serviceheader-06}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-sarikaya-sfc-hostid-serviceheader/06/}, author = {Mohamed Boucadair and Dirk Von Hugo and Behcet Sarikaya}, title = {{Service Function Chaining: Subscriber and Service Identification Use Cases and Variable-Length NSH Context Headers}}, pagetotal = 15, year = 2018, month = jan, day = 17, abstract = {This document discusses considerations related to passing service- and subscriber-related information to upstream Service Functions for the sake of policy enforcement and appropriate SFC-inferred forwarding. Once the information is consumed by SFC-aware elements of an SFC-enabled domain, the information is stripped from packets so that privacy-sensitive information is not leaked outside an SFC- enabled domain.}, }