draft-ietf-mpls-rfc6374-sfl-03.txt		draft-ietf-mpls-rfc6374-sfl-04.txt
	MPLS Working Group S. Bryant		MPLS Working Group S. Bryant
	Internet-Draft M. Chen		Internet-Draft Futurewei Technologies Inc.
	Intended status: Standards Track Z. Li		Intended status: Standards Track M. Chen
	Expires: June 15, 2019 Huawei		Expires: January 30, 2020 Z. Li
			Huawei
	G. Swallow		G. Swallow
	Southend Technical Center		Southend Technical Center
	S. Sivabalan		S. Sivabalan
	Cisco Systems		Cisco Systems
	G. Mirsky		G. Mirsky
	ZTE Corp.		ZTE Corp.
	G. Fioccola		G. Fioccola
	Huawei Technologies		Huawei Technologies
	December 12, 2018		July 29, 2019
	RFC6374 Synonymous Flow Labels		RFC6374 Synonymous Flow Labels
	draft-ietf-mpls-rfc6374-sfl-03		draft-ietf-mpls-rfc6374-sfl-04
	Abstract		Abstract
	This document describes a method of making RFC6374 performance		This document describes a method of making RFC6374 performance
	measurements on flows carried over an MPLS Label Switched path. This		measurements on flows carried over an MPLS Label Switched path. This
	allows loss and delay measurements to be made on multi-point to point		allows loss and delay measurements to be made on multi-point to point
	LSPs and allows the measurement of flows within an MPLS construct		LSPs and allows the measurement of flows within an MPLS construct
	using RFC6374.		using RFC6374.
	Status of This Memo		Status of This Memo
	skipping to change at page 1, line 43 ¶		skipping to change at page 1, line 44 ¶
	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 June 15, 2019.		This Internet-Draft will expire on January 30, 2020.
	Copyright Notice		Copyright Notice
	Copyright (c) 2018 IETF Trust and the persons identified as the		Copyright (c) 2019 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
	described in the Simplified BSD License.		described in the Simplified BSD License.
	Table of Contents		Table of Contents
	1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2		1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
	2. Requirements Language . . . . . . . . . . . . . . . . . . . . 4		2. Requirements Language . . . . . . . . . . . . . . . . . . . . 4
	3. RFC6374 Packet Loss Measurement with SFL . . . . . . . . . . 4		3. RFC6374 Packet Loss Measurement with SFL . . . . . . . . . . 4
	4. RFC6374 Single Packet Delay Measurement . . . . . . . . . . . 4		4. RFC6374 Single Packet Delay Measurement . . . . . . . . . . . 4
	5. Data Service Packet Delay Measurement . . . . . . . . . . . . 4		5. Data Service Packet Delay Measurement . . . . . . . . . . . . 5
	6. Some Simplifying Rules . . . . . . . . . . . . . . . . . . . 6		6. Some Simplifying Rules . . . . . . . . . . . . . . . . . . . 6
	7. Multiple Packet Delay Characteristics . . . . . . . . . . . . 6		7. Multiple Packet Delay Characteristics . . . . . . . . . . . . 7
	7.1. Method 1: Time Buckets . . . . . . . . . . . . . . . . . 7		7.1. Method 1: Time Buckets . . . . . . . . . . . . . . . . . 7
	7.2. Method 2 Classic Standard Deviation . . . . . . . . . . . 9		7.2. Method 2 Classic Standard Deviation . . . . . . . . . . . 9
	7.2.1. RFC6374 Multi-Packet Delay Measurement Message Format 10		7.2.1. RFC6374 Multi-Packet Delay Measurement Message Format 10
	7.3. Per Packet Delay Measurement . . . . . . . . . . . . . . 11		7.3. Per Packet Delay Measurement . . . . . . . . . . . . . . 11
	7.4. Average Delay . . . . . . . . . . . . . . . . . . . . . . 11		7.4. Average Delay . . . . . . . . . . . . . . . . . . . . . . 11
	8. Sampled Measurement . . . . . . . . . . . . . . . . . . . . . 13		8. Sampled Measurement . . . . . . . . . . . . . . . . . . . . . 13
	9. Carrying RFC6374 Packets over an LSP using an SFL . . . . . . 13		9. Carrying RFC6374 Packets over an LSP using an SFL . . . . . . 13
	9.1. RFC6374 SFL TLV . . . . . . . . . . . . . . . . . . . . . 15		9.1. RFC6374 SFL TLV . . . . . . . . . . . . . . . . . . . . . 15
	10. Applicability to Pro-active and On-demand Measurement . . . . 16		10. Applicability to Pro-active and On-demand Measurement . . . . 16
	11. RFC6374 Combined Loss-Delay Measurement . . . . . . . . . . . 16		11. RFC6374 Combined Loss-Delay Measurement . . . . . . . . . . . 16
	skipping to change at page 18, line 43 ¶		skipping to change at page 18, line 43 ¶
	[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC		[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
	2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,		2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
	May 2017, <https://www.rfc-editor.org/info/rfc8174>.		May 2017, <https://www.rfc-editor.org/info/rfc8174>.
	15.2. Informative References		15.2. Informative References
	[I-D.bryant-mpls-sfl-control]		[I-D.bryant-mpls-sfl-control]
	Bryant, S., Swallow, G., and S. Sivabalan, "MPLS Flow		Bryant, S., Swallow, G., and S. Sivabalan, "MPLS Flow
	Identification Considerations", draft-bryant-mpls-sfl-		Identification Considerations", draft-bryant-mpls-sfl-
	control-02 (work in progress), October 2017.		control-03 (work in progress), January 2019.
	[I-D.ietf-mpls-sfl-framework]		[I-D.ietf-mpls-sfl-framework]
	Bryant, S., Chen, M., Li, Z., Swallow, G., Sivabalan, S.,		Bryant, S., Chen, M., Li, Z., Swallow, G., Sivabalan, S.,
	and G. Mirsky, "Synonymous Flow Label Framework", draft-		and G. Mirsky, "Synonymous Flow Label Framework", draft-
	ietf-mpls-sfl-framework-03 (work in progress), June 2018.		ietf-mpls-sfl-framework-04 (work in progress), December
			2018.
	[RFC3270] Le Faucheur, F., Wu, L., Davie, B., Davari, S., Vaananen,		[RFC3270] Le Faucheur, F., Wu, L., Davie, B., Davari, S., Vaananen,
	P., Krishnan, R., Cheval, P., and J. Heinanen, "Multi-		P., Krishnan, R., Cheval, P., and J. Heinanen, "Multi-
	Protocol Label Switching (MPLS) Support of Differentiated		Protocol Label Switching (MPLS) Support of Differentiated
	Services", RFC 3270, DOI 10.17487/RFC3270, May 2002,		Services", RFC 3270, DOI 10.17487/RFC3270, May 2002,
	<https://www.rfc-editor.org/info/rfc3270>.		<https://www.rfc-editor.org/info/rfc3270>.
	[RFC5921] Bocci, M., Ed., Bryant, S., Ed., Frost, D., Ed., Levrau,		[RFC5921] Bocci, M., Ed., Bryant, S., Ed., Frost, D., Ed., Levrau,
	L., and L. Berger, "A Framework for MPLS in Transport		L., and L. Berger, "A Framework for MPLS in Transport
	Networks", RFC 5921, DOI 10.17487/RFC5921, July 2010,		Networks", RFC 5921, DOI 10.17487/RFC5921, July 2010,
	skipping to change at page 19, line 30 ¶		skipping to change at page 19, line 30 ¶
	January 2018, <https://www.rfc-editor.org/info/rfc8321>.		January 2018, <https://www.rfc-editor.org/info/rfc8321>.
	[RFC8372] Bryant, S., Pignataro, C., Chen, M., Li, Z., and G.		[RFC8372] Bryant, S., Pignataro, C., Chen, M., Li, Z., and G.
	Mirsky, "MPLS Flow Identification Considerations",		Mirsky, "MPLS Flow Identification Considerations",
	RFC 8372, DOI 10.17487/RFC8372, May 2018,		RFC 8372, DOI 10.17487/RFC8372, May 2018,
	<https://www.rfc-editor.org/info/rfc8372>.		<https://www.rfc-editor.org/info/rfc8372>.
	Authors' Addresses		Authors' Addresses
	Stewart Bryant		Stewart Bryant
	Huawei		Futurewei Technologies Inc.
	Email: stewart.bryant@gmail.com		Email: stewart.bryant@gmail.com
	Mach Chen		Mach Chen
	Huawei		Huawei
	Email: mach.chen@huawei.com		Email: mach.chen@huawei.com
	Zhenbin Li		Zhenbin Li
	Huawei		Huawei
End of changes. 11 change blocks.
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