< draft-ietf-detnet-mpls-over-tsn-04.txt		draft-ietf-detnet-mpls-over-tsn-05.txt >
	DetNet B. Varga, Ed.		DetNet B. Varga, Ed.
	Internet-Draft J. Farkas		Internet-Draft J. Farkas
	Intended status: Informational Ericsson		Intended status: Informational Ericsson
	Expires: May 6, 2021 A. Malis		Expires: June 16, 2021 A. Malis
	Malis Consulting		Malis Consulting
	S. Bryant		S. Bryant
	Futurewei Technologies		Futurewei Technologies
	November 2, 2020		December 13, 2020
	DetNet Data Plane: MPLS over IEEE 802.1 Time Sensitive Networking (TSN)		DetNet Data Plane: MPLS over IEEE 802.1 Time Sensitive Networking (TSN)
	draft-ietf-detnet-mpls-over-tsn-04		draft-ietf-detnet-mpls-over-tsn-05
	Abstract		Abstract
	This document specifies the Deterministic Networking MPLS data plane		This document specifies the Deterministic Networking MPLS data plane
	when operating over a TSN sub-network. This document does not define		when operating over a TSN sub-network. This document does not define
	new procedures or processes. Whenever this document makes		new procedures or processes. Whenever this document makes
	requirements statements or recommendations, these are taken from		requirements statements or recommendations, these are taken from
	normative text in the referenced RFCs.		normative text in the referenced RFCs.
	Status of This Memo		Status of This Memo
	skipping to change at page 1, line 38 ¶		skipping to change at page 1, line 38 ¶
	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 May 6, 2021.		This Internet-Draft will expire on June 16, 2021.
	Copyright Notice		Copyright Notice
	Copyright (c) 2020 IETF Trust and the persons identified as the		Copyright (c) 2020 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
	(https://trustee.ietf.org/license-info) in effect on the date of		(https://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
	skipping to change at page 2, line 15 ¶		skipping to change at page 2, line 15 ¶
	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 . . . . . . . . . . . . . . . . . . . . . . . . 2
	2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3		2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
	2.1. Terms Used in This Document . . . . . . . . . . . . . . . 3		2.1. Terms Used in This Document . . . . . . . . . . . . . . . 3
	2.2. Abbreviations . . . . . . . . . . . . . . . . . . . . . . 3		2.2. Abbreviations . . . . . . . . . . . . . . . . . . . . . . 3
	2.3. Requirements Language . . . . . . . . . . . . . . . . . . 3		3. DetNet MPLS Data Plane Overview . . . . . . . . . . . . . . . 3
	3. DetNet MPLS Data Plane Overview . . . . . . . . . . . . . . . 4
	4. DetNet MPLS Operation Over IEEE 802.1 TSN Sub-Networks . . . 4		4. DetNet MPLS Operation Over IEEE 802.1 TSN Sub-Networks . . . 4
	4.1. Functions for DetNet Flow to TSN Stream Mapping . . . . . 6		4.1. Functions for DetNet Flow to TSN Stream Mapping . . . . . 6
	4.2. TSN requirements of MPLS DetNet nodes . . . . . . . . . . 6		4.2. TSN requirements of MPLS DetNet nodes . . . . . . . . . . 6
	4.3. Service protection within the TSN sub-network . . . . . . 8		4.3. Service protection within the TSN sub-network . . . . . . 8
	4.4. Aggregation during DetNet flow to TSN Stream mapping . . 8		4.4. Aggregation during DetNet flow to TSN Stream mapping . . 8
	5. Management and Control Implications . . . . . . . . . . . . . 8		5. Management and Control Implications . . . . . . . . . . . . . 8
	6. Security Considerations . . . . . . . . . . . . . . . . . . . 10		6. Security Considerations . . . . . . . . . . . . . . . . . . . 10
	7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 11		7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 10
	8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 11		8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 11
	9. References . . . . . . . . . . . . . . . . . . . . . . . . . 11		9. References . . . . . . . . . . . . . . . . . . . . . . . . . 11
	9.1. Normative References . . . . . . . . . . . . . . . . . . 11		9.1. Normative References . . . . . . . . . . . . . . . . . . 11
	9.2. Informative References . . . . . . . . . . . . . . . . . 11		9.2. Informative References . . . . . . . . . . . . . . . . . 11
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 12		Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 12
	1. Introduction		1. Introduction
	Deterministic Networking (DetNet) is a service that can be offered by		Deterministic Networking (DetNet) is a service that can be offered by
	a network to DetNet flows. DetNet provides these flows with a low		a network to DetNet flows. DetNet provides these flows with a low
	skipping to change at page 3, line 48 ¶		skipping to change at page 3, line 48 ¶
	PSN Packet Switched Network.		PSN Packet Switched Network.
	PW PseudoWire.		PW PseudoWire.
	S-PE Switching Provider Edge.		S-PE Switching Provider Edge.
	T-PE Terminating Provider Edge.		T-PE Terminating Provider Edge.
	TSN Time-Sensitive Network.		TSN Time-Sensitive Network.
	2.3. Requirements Language
	The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
	"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
	"OPTIONAL" in this document are to be interpreted as described in BCP
	14 [RFC2119] [RFC8174] when, and only when, they appear in all
	capitals, as shown here.
	3. DetNet MPLS Data Plane Overview		3. DetNet MPLS Data Plane Overview
	The basic approach defined in [I-D.ietf-detnet-mpls] supports the		The basic approach defined in [I-D.ietf-detnet-mpls] supports the
	DetNet service sub-layer based on existing pseudowire (PW)		DetNet service sub-layer based on existing pseudowire (PW)
	encapsulations and mechanisms, and supports the DetNet forwarding		encapsulations and mechanisms, and supports the DetNet forwarding
	sub-layer based on existing MPLS Traffic Engineering encapsulations		sub-layer based on existing MPLS Traffic Engineering encapsulations
	and mechanisms.		and mechanisms.
	A node operating on a DetNet flow in the Detnet service sub-layer,		A node operating on a DetNet flow in the Detnet service sub-layer,
	i.e. a node processing a DetNet packet which has the S-Label as top		i.e. a node processing a DetNet packet which has the S-Label as top
	skipping to change at page 11, line 24 ¶		skipping to change at page 11, line 20 ¶
	9. References		9. References
	9.1. Normative References		9.1. Normative References
	[I-D.ietf-detnet-mpls]		[I-D.ietf-detnet-mpls]
	Varga, B., Farkas, J., Berger, L., Malis, A., Bryant, S.,		Varga, B., Farkas, J., Berger, L., Malis, A., Bryant, S.,
	and J. Korhonen, "DetNet Data Plane: MPLS", draft-ietf-		and J. Korhonen, "DetNet Data Plane: MPLS", draft-ietf-
	detnet-mpls-13 (work in progress), October 2020.		detnet-mpls-13 (work in progress), October 2020.
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119,
	DOI 10.17487/RFC2119, March 1997,
	<https://www.rfc-editor.org/info/rfc2119>.
	[RFC3031] Rosen, E., Viswanathan, A., and R. Callon, "Multiprotocol		[RFC3031] Rosen, E., Viswanathan, A., and R. Callon, "Multiprotocol
	Label Switching Architecture", RFC 3031,		Label Switching Architecture", RFC 3031,
	DOI 10.17487/RFC3031, January 2001,		DOI 10.17487/RFC3031, January 2001,
	<https://www.rfc-editor.org/info/rfc3031>.		<https://www.rfc-editor.org/info/rfc3031>.
	[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
	2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
	May 2017, <https://www.rfc-editor.org/info/rfc8174>.
	9.2. Informative References		9.2. Informative References
	[I-D.ietf-detnet-ip]
	Varga, B., Farkas, J., Berger, L., Fedyk, D., and S.
	Bryant, "DetNet Data Plane: IP", draft-ietf-detnet-ip-07
	(work in progress), July 2020.
	[I-D.ietf-detnet-security]		[I-D.ietf-detnet-security]
	Grossman, E., Mizrahi, T., and A. Hacker, "Deterministic		Grossman, E., Mizrahi, T., and A. Hacker, "Deterministic
	Networking (DetNet) Security Considerations", draft-ietf-		Networking (DetNet) Security Considerations", draft-ietf-
	detnet-security-12 (work in progress), October 2020.		detnet-security-12 (work in progress), October 2020.
	[IEEE802.1AE-2018]		[IEEE802.1AE-2018]
	IEEE Standards Association, "IEEE Std 802.1AE-2018 MAC		IEEE Standards Association, "IEEE Std 802.1AE-2018 MAC
	Security (MACsec)", 2018,		Security (MACsec)", 2018,
	<https://ieeexplore.ieee.org/document/8585421>.		<https://ieeexplore.ieee.org/document/8585421>.
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