< draft-mirsky-ippm-hybrid-two-step-11.txt		draft-mirsky-ippm-hybrid-two-step-12.txt >
	IPPM Working Group G. Mirsky		IPPM Working Group G. Mirsky
	Internet-Draft ZTE Corp.		Internet-Draft Ericsson
	Intended status: Standards Track W. Lingqiang		Intended status: Standards Track W. Lingqiang
	Expires: 9 January 2022 G. Zhui		Expires: 30 July 2022 G. Zhui
	ZTE Corporation		ZTE Corporation
	H. Song		H. Song
	Futurewei Technologies		Futurewei Technologies
	8 July 2021		26 January 2022
	Hybrid Two-Step Performance Measurement Method		Hybrid Two-Step Performance Measurement Method
	draft-mirsky-ippm-hybrid-two-step-11		draft-mirsky-ippm-hybrid-two-step-12
	Abstract		Abstract
	Development of, and advancements in, automation of network operations		Development of, and advancements in, automation of network operations
	brought new requirements for measurement methodology. Among them is		brought new requirements for measurement methodology. Among them is
	the ability to collect instant network state as the packet being		the ability to collect instant network state as the packet being
	processed by the networking elements along its path through the		processed by the networking elements along its path through the
	domain. This document introduces a new hybrid measurement method,		domain. This document introduces a new hybrid measurement method,
	referred to as hybrid two-step, as it separates the act of measuring		referred to as hybrid two-step, as it separates the act of measuring
	and/or calculating the performance metric from the act of collecting		and/or calculating the performance metric from the act of collecting
	skipping to change at page 1, line 41 ¶		skipping to change at page 1, line 41 ¶
	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 https://datatracker.ietf.org/drafts/current/.		Drafts is at https://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 9 January 2022.		This Internet-Draft will expire on 30 July 2022.
	Copyright Notice		Copyright Notice
	Copyright (c) 2021 IETF Trust and the persons identified as the		Copyright (c) 2022 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 (https://trustee.ietf.org/		Provisions Relating to IETF Documents (https://trustee.ietf.org/
	license-info) in effect on the date of publication of this document.		license-info) in effect on the date of publication of this document.
	Please review these documents carefully, as they describe your rights		Please review these documents carefully, as they describe your rights
	and restrictions with respect to this document. Code Components		and restrictions with respect to this document. Code Components
	extracted from this document must include Simplified BSD License text		extracted from this document must include Revised BSD License text as
	as described in Section 4.e of the Trust Legal Provisions and are		described in Section 4.e of the Trust Legal Provisions and are
	provided without warranty as described in the Simplified BSD License.		provided without warranty as described in the Revised BSD License.
	Table of Contents		Table of Contents
	1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2		1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
	2. Conventions used in this document . . . . . . . . . . . . . . 3		2. Conventions used in this document . . . . . . . . . . . . . . 3
	2.1. Acronyms . . . . . . . . . . . . . . . . . . . . . . . . 3		2.1. Acronyms . . . . . . . . . . . . . . . . . . . . . . . . 3
	2.2. Requirements Language . . . . . . . . . . . . . . . . . . 4		2.2. Requirements Language . . . . . . . . . . . . . . . . . . 4
	3. Problem Overview . . . . . . . . . . . . . . . . . . . . . . 4		3. Problem Overview . . . . . . . . . . . . . . . . . . . . . . 4
	4. Theory of Operation . . . . . . . . . . . . . . . . . . . . . 5		4. Theory of Operation . . . . . . . . . . . . . . . . . . . . . 5
	4.1. Operation of the HTS Ingress Node . . . . . . . . . . . . 7		4.1. Operation of the HTS Ingress Node . . . . . . . . . . . . 7
	skipping to change at page 17, line 19 ¶		skipping to change at page 17, line 19 ¶
	[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>.
	9.2. Informative References		9.2. Informative References
	[I-D.ietf-ippm-ioam-data]		[I-D.ietf-ippm-ioam-data]
	Brockners, F., Bhandari, S., and T. Mizrahi, "Data Fields		Brockners, F., Bhandari, S., and T. Mizrahi, "Data Fields
	for In-situ OAM", Work in Progress, Internet-Draft, draft-		for In-situ OAM", Work in Progress, Internet-Draft, draft-
	ietf-ippm-ioam-data-14, 24 June 2021,		ietf-ippm-ioam-data-17, 13 December 2021,
	<https://datatracker.ietf.org/doc/html/draft-ietf-ippm-		<https://datatracker.ietf.org/doc/html/draft-ietf-ippm-
	ioam-data-14>.		ioam-data-17>.
	[I-D.ietf-ippm-ioam-direct-export]		[I-D.ietf-ippm-ioam-direct-export]
	Song, H., Gafni, B., Zhou, T., Li, Z., Brockners, F.,		Song, H., Gafni, B., Zhou, T., Li, Z., Brockners, F.,
	Bhandari, S., Sivakolundu, R., and T. Mizrahi, "In-situ		Bhandari, S., Sivakolundu, R., and T. Mizrahi, "In-situ
	OAM Direct Exporting", Work in Progress, Internet-Draft,		OAM Direct Exporting", Work in Progress, Internet-Draft,
	draft-ietf-ippm-ioam-direct-export-03, 17 February 2021,		draft-ietf-ippm-ioam-direct-export-07, 13 October 2021,
	<https://datatracker.ietf.org/doc/html/draft-ietf-ippm-		<https://datatracker.ietf.org/doc/html/draft-ietf-ippm-
	ioam-direct-export-03>.		ioam-direct-export-07>.
	[I-D.ietf-raw-use-cases]		[I-D.ietf-raw-use-cases]
	Papadopoulos, G. Z., Thubert, P., Theoleyre, F., and C. J.		Papadopoulos, G. Z., Thubert, P., Theoleyre, F., and C. J.
	Bernardos, "RAW use cases", Work in Progress, Internet-		Bernardos, "RAW use cases", Work in Progress, Internet-
	Draft, draft-ietf-raw-use-cases-01, 21 February 2021,		Draft, draft-ietf-raw-use-cases-03, 20 October 2021,
	<https://datatracker.ietf.org/doc/html/draft-ietf-raw-use-		<https://datatracker.ietf.org/doc/html/draft-ietf-raw-use-
	cases-01>.		cases-03>.
	[I-D.song-ippm-postcard-based-telemetry]		[I-D.song-ippm-postcard-based-telemetry]
	Song, H., Mirsky, G., Filsfils, C., Abdelsalam, A., Zhou,		Song, H., Mirsky, G., Filsfils, C., Abdelsalam, A., Zhou,
	T., Li, Z., Shin, J., and K. Lee, "Postcard-based On-Path		T., Li, Z., Shin, J., and K. Lee, "In-Situ OAM Marking-
	Flow Data Telemetry using Packet Marking", Work in		based Direct Export", Work in Progress, Internet-Draft,
	Progress, Internet-Draft, draft-song-ippm-postcard-based-		draft-song-ippm-postcard-based-telemetry-11, 15 November
	telemetry-09, 19 February 2021,		2021, <https://datatracker.ietf.org/doc/html/draft-song-
	<https://datatracker.ietf.org/doc/html/draft-song-ippm-		ippm-postcard-based-telemetry-11>.
	postcard-based-telemetry-09>.
	[P4.INT] "In-band Network Telemetry (INT)", P4.org Specification,		[P4.INT] "In-band Network Telemetry (INT)", P4.org Specification,
	October 2017.		October 2017.
	[RFC4868] Kelly, S. and S. Frankel, "Using HMAC-SHA-256, HMAC-SHA-		[RFC4868] Kelly, S. and S. Frankel, "Using HMAC-SHA-256, HMAC-SHA-
	384, and HMAC-SHA-512 with IPsec", RFC 4868,		384, and HMAC-SHA-512 with IPsec", RFC 4868,
	DOI 10.17487/RFC4868, May 2007,		DOI 10.17487/RFC4868, May 2007,
	<https://www.rfc-editor.org/info/rfc4868>.		<https://www.rfc-editor.org/info/rfc4868>.
	[RFC6437] Amante, S., Carpenter, B., Jiang, S., and J. Rajahalme,		[RFC6437] Amante, S., Carpenter, B., Jiang, S., and J. Rajahalme,
	skipping to change at page 19, line 4 ¶		skipping to change at page 18, line 47 ¶
	"Alternate-Marking Method for Passive and Hybrid		"Alternate-Marking Method for Passive and Hybrid
	Performance Monitoring", RFC 8321, DOI 10.17487/RFC8321,		Performance Monitoring", RFC 8321, DOI 10.17487/RFC8321,
	January 2018, <https://www.rfc-editor.org/info/rfc8321>.		January 2018, <https://www.rfc-editor.org/info/rfc8321>.
	[RFC8402] Filsfils, C., Ed., Previdi, S., Ed., Ginsberg, L.,		[RFC8402] Filsfils, C., Ed., Previdi, S., Ed., Ginsberg, L.,
	Decraene, B., Litkowski, S., and R. Shakir, "Segment		Decraene, B., Litkowski, S., and R. Shakir, "Segment
	Routing Architecture", RFC 8402, DOI 10.17487/RFC8402,		Routing Architecture", RFC 8402, DOI 10.17487/RFC8402,
	July 2018, <https://www.rfc-editor.org/info/rfc8402>.		July 2018, <https://www.rfc-editor.org/info/rfc8402>.
	Authors' Addresses		Authors' Addresses
	Greg Mirsky
	ZTE Corp.
	Email: gregimirsky@gmail.com, gregory.mirsky@ztetx.com		Greg Mirsky
			Ericsson
			Email: gregimirsky@gmail.com
	Wang Lingqiang		Wang Lingqiang
	ZTE Corporation		ZTE Corporation
	No 19 ,East Huayuan Road		No 19 ,East Huayuan Road
	Beijing		Beijing
	Phone: +86 10 82963945		Phone: +86 10 82963945
	Email: wang.lingqiang@zte.com.cn		Email: wang.lingqiang@zte.com.cn
	Guo Zhui		Guo Zhui
	ZTE Corporation		ZTE Corporation
End of changes. 17 change blocks.
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