< draft-wu-pce-traffic-steering-sfc-09.txt		draft-wu-pce-traffic-steering-sfc-10.txt >
	PCE Working Group Q. Wu		PCE Working Group Q. Wu
	Internet-Draft D. Dhody		Internet-Draft D. Dhody
	Intended status: Standards Track Huawei		Intended status: Standards Track Huawei
	Expires: March 12, 2017 M. Boucadair		Expires: September 7, 2017 M. Boucadair
	C. Jacquenet		C. Jacquenet
	Orange		Orange
	J. Tantsura		J. Tantsura
	September 8, 2016		March 6, 2017
	PCEP Extensions for Service Function Chaining (SFC)		PCEP Extensions for Service Function Chaining (SFC)
	draft-wu-pce-traffic-steering-sfc-09		draft-wu-pce-traffic-steering-sfc-10
	Abstract		Abstract
	This document provides an overview of the usage of Path Computation		This document provides an overview of the usage of Path Computation
	Element (PCE) to dynamically structure service function chains.		Element (PCE) to dynamically structure service function chains.
	Service Function Chaining (SFC) is a technique that is meant to		Service Function Chaining (SFC) is a technique that is meant to
	facilitate the dynamic enforcement of differentiated traffic		facilitate the dynamic enforcement of differentiated traffic
	forwarding policies within a domain. Service function chains are		forwarding policies within a domain. Service function chains are
	composed of an ordered set of elementary Service Functions (such as		composed of an ordered set of elementary Service Functions (such as
	firewalls, load balancers) that need to be invoked according to the		firewalls, load balancers) that need to be invoked according to the
	skipping to change at page 1, line 47 ¶		skipping to change at page 1, line 47 ¶
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF). Note that other groups may also distribute		Task Force (IETF). Note that other groups may also distribute
	working documents as Internet-Drafts. The list of current Internet-		working documents as Internet-Drafts. The list of current Internet-
	Drafts is at http://datatracker.ietf.org/drafts/current/.		Drafts is at http://datatracker.ietf.org/drafts/current/.
	Internet-Drafts are draft documents valid for a maximum of six months		Internet-Drafts are draft documents valid for a maximum of six months
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	This Internet-Draft will expire on March 12, 2017.		This Internet-Draft will expire on September 7, 2017.
	Copyright Notice		Copyright Notice
	Copyright (c) 2016 IETF Trust and the persons identified as the		Copyright (c) 2017 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents		Provisions Relating to IETF Documents
	(http://trustee.ietf.org/license-info) in effect on the date of		(http://trustee.ietf.org/license-info) in effect on the date of
	publication of this document. Please review these documents		publication of this document. Please review these documents
	carefully, as they describe your rights and restrictions with respect		carefully, as they describe your rights and restrictions with respect
	to this document. Code Components extracted from this document must		to this document. Code Components extracted from this document must
	include Simplified BSD License text as described in Section 4.e of		include Simplified BSD License text as described in Section 4.e of
	the Trust Legal Provisions and are provided without warranty as		the Trust Legal Provisions and are provided without warranty as
	skipping to change at page 10, line 23 ¶		skipping to change at page 10, line 23 ¶
	11.1. Normative References		11.1. Normative References
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate		[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119,		Requirement Levels", BCP 14, RFC 2119,
	DOI 10.17487/RFC2119, March 1997,		DOI 10.17487/RFC2119, March 1997,
	<http://www.rfc-editor.org/info/rfc2119>.		<http://www.rfc-editor.org/info/rfc2119>.
	[I-D.ietf-pce-stateful-pce]		[I-D.ietf-pce-stateful-pce]
	Crabbe, E., Minei, I., Medved, J., and R. Varga, "PCEP		Crabbe, E., Minei, I., Medved, J., and R. Varga, "PCEP
	Extensions for Stateful PCE", draft-ietf-pce-stateful-		Extensions for Stateful PCE", draft-ietf-pce-stateful-
	pce-16 (work in progress), September 2016.		pce-18 (work in progress), December 2016.
	[RFC5440] Vasseur, JP., Ed. and JL. Le Roux, Ed., "Path Computation		[RFC5440] Vasseur, JP., Ed. and JL. Le Roux, Ed., "Path Computation
	Element (PCE) Communication Protocol (PCEP)", RFC 5440,		Element (PCE) Communication Protocol (PCEP)", RFC 5440,
	DOI 10.17487/RFC5440, March 2009,		DOI 10.17487/RFC5440, March 2009,
	<http://www.rfc-editor.org/info/rfc5440>.		<http://www.rfc-editor.org/info/rfc5440>.
	[I-D.ietf-pce-pce-initiated-lsp]		[I-D.ietf-pce-pce-initiated-lsp]
	Crabbe, E., Minei, I., Sivabalan, S., and R. Varga, "PCEP		Crabbe, E., Minei, I., Sivabalan, S., and R. Varga, "PCEP
	Extensions for PCE-initiated LSP Setup in a Stateful PCE		Extensions for PCE-initiated LSP Setup in a Stateful PCE
	Model", draft-ietf-pce-pce-initiated-lsp-07 (work in		Model", draft-ietf-pce-pce-initiated-lsp-08 (work in
	progress), July 2016.		progress), March 2017.
	[I-D.ietf-teas-pce-central-control]		[I-D.ietf-teas-pce-central-control]
	Farrel, A., Zhao, Q., Li, Z., and C. Zhou, "An		Farrel, A., Zhao, Q., Li, Z., and C. Zhou, "An
	Architecture for Use of PCE and PCEP in a Network with		Architecture for Use of PCE and PCEP in a Network with
	Central Control", draft-ietf-teas-pce-central-control-00		Central Control", draft-ietf-teas-pce-central-control-01
	(work in progress), September 2016.		(work in progress), December 2016.
	11.2. Informative References		11.2. Informative References
	[RFC2753] Yavatkar, R., Pendarakis, D., and R. Guerin, "A Framework		[RFC2753] Yavatkar, R., Pendarakis, D., and R. Guerin, "A Framework
	for Policy-based Admission Control", RFC 2753,		for Policy-based Admission Control", RFC 2753,
	DOI 10.17487/RFC2753, January 2000,		DOI 10.17487/RFC2753, January 2000,
	<http://www.rfc-editor.org/info/rfc2753>.		<http://www.rfc-editor.org/info/rfc2753>.
	[RFC7665] Halpern, J., Ed. and C. Pignataro, Ed., "Service Function		[RFC7665] Halpern, J., Ed. and C. Pignataro, Ed., "Service Function
	Chaining (SFC) Architecture", RFC 7665,		Chaining (SFC) Architecture", RFC 7665,
	skipping to change at page 11, line 13 ¶		skipping to change at page 11, line 13 ¶
	<http://www.rfc-editor.org/info/rfc7665>.		<http://www.rfc-editor.org/info/rfc7665>.
	[RFC5394] Bryskin, I., Papadimitriou, D., Berger, L., and J. Ash,		[RFC5394] Bryskin, I., Papadimitriou, D., Berger, L., and J. Ash,
	"Policy-Enabled Path Computation Framework", RFC 5394,		"Policy-Enabled Path Computation Framework", RFC 5394,
	DOI 10.17487/RFC5394, December 2008,		DOI 10.17487/RFC5394, December 2008,
	<http://www.rfc-editor.org/info/rfc5394>.		<http://www.rfc-editor.org/info/rfc5394>.
	[I-D.ietf-sfc-control-plane]		[I-D.ietf-sfc-control-plane]
	Boucadair, M., "Service Function Chaining (SFC) Control		Boucadair, M., "Service Function Chaining (SFC) Control
	Plane Components & Requirements", draft-ietf-sfc-control-		Plane Components & Requirements", draft-ietf-sfc-control-
	plane-07 (work in progress), August 2016.		plane-08 (work in progress), October 2016.
	[I-D.ietf-pce-segment-routing]		[I-D.ietf-pce-segment-routing]
	Sivabalan, S., Medved, J., Filsfils, C., Crabbe, E.,		Sivabalan, S., Medved, J., Filsfils, C., Crabbe, E.,
	Lopez, V., Tantsura, J., Henderickx, W., and J. Hardwick,		Raszuk, R., Lopez, V., Tantsura, J., Henderickx, W., and
	"PCEP Extensions for Segment Routing", draft-ietf-pce-		J. Hardwick, "PCEP Extensions for Segment Routing", draft-
	segment-routing-07 (work in progress), March 2016.		ietf-pce-segment-routing-08 (work in progress), October
			2016.
	[I-D.ietf-sfc-nsh]		[I-D.ietf-sfc-nsh]
	Quinn, P. and U. Elzur, "Network Service Header", draft-		Quinn, P. and U. Elzur, "Network Service Header", draft-
	ietf-sfc-nsh-07 (work in progress), August 2016.		ietf-sfc-nsh-12 (work in progress), February 2017.
	Authors' Addresses		Authors' Addresses
	Qin Wu		Qin Wu
	Huawei		Huawei
	101 Software Avenue, Yuhua District		101 Software Avenue, Yuhua District
	Nanjing, Jiangsu 210012		Nanjing, Jiangsu 210012
	China		China
	EMail: bill.wu@huawei.com		EMail: bill.wu@huawei.com
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