@techreport{penno-sfc-packet-03, number = {draft-penno-sfc-packet-03}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-penno-sfc-packet/03/}, author = {Reinaldo Penno and Carlos Pignataro and Chui-Tin Yen and Eric Wang and Kent Leung and David Dolson}, title = {{Packet Generation in Service Function Chains}}, pagetotal = 26, year = 2016, month = apr, day = 29, abstract = {Service Functions (e.g., Firewall, NAT, Proxies and Intrusion Prevention Systems) generate packets in the reverse flow direction to the source of the current in-process packet/flow. In this document we discuss and propose how to support this required functionality within the SFC framework.}, }