ISO/IEC/IEEE 8802-1Q:2020/FDAmd 31
(Amendment)Stream Reservation Protocol (SRP) enhancements and performance Improvements
Stream Reservation Protocol (SRP) enhancements and performance Improvements
Perfectionnement et améliorations des performances du protocole de réservation de flux (SRP)
General Information
RELATIONS
Standards Content (sample)
FINAL
ISO/IEC/IEEE
AMENDMENT
DRAFT
8802-1Q:2020
FDAM 31
ISO/IEC JTC 1/SC 6
Telecommunications and exchange
Secretariat: KATS
between information technology
Voting begins on:
2021-04-21 systems — Requirements for local and
metropolitan area networks —
Voting terminates on:
2021-09-08
Part 1Q:
Bridges and bridged networks
AMENDMENT 31: Stream Reservation
Protocol (SRP) enhancements and
performance Improvements
Télécommunications et échange entre systèmes informatiques —
Exigences pour les réseaux locaux et métropolitains —
Partie 1Q: Ponts et réseaux pontés
AMENDEMENT 31
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/IEC/IEEE 8802-1Q:2020/FDAM 31:2021(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. IEEE 2018
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ISO/IEC/IEEE 8802-1Q:2020/FDAM 31:2021(E)
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ISO/IEC/IEEE 8802-1Q:2020/FDAM 31:2021(E)
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IEEE Std 802.1Qcc™-2018
(Amendment to
IEEE Std 802.1Q™-2018
as amended by
IEEE Std 802.1Qcp™-2018)
IEEE Standard for
Local and Metropolitan Area Networks—
Bridges and Bridged Networks
Amendment 31:
Stream Reservation Protocol (SRP)
Enhancements and Performance Improvements
Sponsor
LAN/MAN Standards Committee
of the
IEEE Computer Society
Approved 14 June 2018
IEEE-SA Standards Board
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ISO/IEC/IEEE 8802-1Q:2020/Amd.31:2021(E)
Abstract: Enhancements to the configuration of time-sensitive streams are provided by this
amendment to IEEE Std 802.1Q-2018.Keywords: amendment, Bridged Local Area Networks, IEEE 802 , IEEE 802.1Q™,
IEEE 802.1Qcc™, SRP, Stream Reservation Protocol, MSRP, Multiple Stream Registration
Protocol, Time-Sensitive Networking, TSNThe Institute of Electrical and Electronics Engineers, Inc.
3 Park Avenue, New York, NY 10016-5997, USA
Copyright © 2018 by The Institute of Electrical and Electronics Engineers, Inc.
All rights reserved. Published 31 October 2018. Printed in the United States of America.
IEEE and IEEE 802 are registered trademarks in the U.S. Patent & Trademark Office, owned by The Institute of Electrical and Electronics
Engineers, Incorporated.PDF: ISBN 978-1-5044-5064-5 STD23223
Print: ISBN 978-1-5044-5065-2 STDPD23223
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ISO/IEC/IEEE 8802-1Q:2020/Amd.31:2021(E)
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ISO/IEC/IEEE 8802-1Q:2020/Amd.31:2021(E)
Participants
At the time this amendment was submitted to the IEEE-SA Standards Board for approval, the IEEE 802.1
Working Group had the following membership:Glenn Parsons, Chair
John Messenger, Vice Chair and Acting Chair
Jessy V. Rouyer, Acting Vice Chair
János Farkas, Chair, Time-Sensitive Networking Task Group
Rodney Cummings, Editor
Ralf Assmann Marina Gutierrez Maximilian Riegel
Shenghua Bao Stephen Haddock Atsushi Sato
Jens Bierschenk Mark Hantel Frank Schewe
Steinar Bjornstad Lokesh Kabra Michael Seaman
Michael Karl Johannes Specht
Christian Boiger
Paul Bottorff Stephan Kehrer Patricia Thaler
Radhakrishna Canchi Hajime Koto Paul Unbehagen
David Chen Christophe Mangin Xinyuan Wang
Feng Chen Scott Mansfield Tongtong Wang
Weiying Cheng James McIntosh Hao Wang
Paul Congdon Tero Mustala Karl Weber
Tomoki Ohsawa
Hesham Elbakoury Brian Weis
Norman Finn Donald R. Pannell Jordon Woods
Geoffrey Garner Walter Pienciak Takahiro Yamaura
Eric W. Gray Michael Potts Xiang Yu
Wei Qiu
Craig Gunther Nader Zein
Karen Randall
The following members of the individual balloting committee voted on this amendment. Balloters may have
voted for approval, disapproval, or abstention.Craig Gunther
Thomas Alexander Charles Ngethe
Richard Alfvin Stephen Haddock Nick S. A. Nikjoo
Butch Anton Mark Hantel Paul Nikolich
Stefan Aust Marco Hernandez Satoshi Obara
Gordon Bechtel Werner Hoelzl Bansi Patel
Christian Boiger Rita Horner
Adee Ran
Nancy Bravin Noriyuki Ikeuchi Alon Regev
Dietmar Bruckner Atsushi Ito Maximilian Riegel
Demetrio Bucaneg Raj Jain Robert Robinson
Ashley Butterworth SangKwon Jeong Benjamin Rolfe
William Byrd Piotr Karocki Jessy V. Rouyer
Stephan Kehrer
Steven Carlson Michael Seaman
Juan Carreon Stuart Kerry Daniel Smith
Keith Chow Yongbum Kim Thomas Starai
Charles Cook Hyeong Ho Lee Walter Struppler
Rodney Cummings James Lepp Mark-Rene Uchida
Sourav Dutta Jon Lewis Dmitri Varsanofiev
János Farkas Michael Lynch George Vlantis
Norman Finn Elvis Maculuba Lisa Ward
Avraham Freedman Arthur Marris Andreas Wolf
Eric W. Gray Richard Mellitz Oren Yuen
Randall Groves Charles Moorwood Zhen Zhou
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ISO/IEC/IEEE 8802-1Q:2020/Amd.31:2021(E)
When the IEEE-SA Standards Board approved this amendment on 14 June 2018, it had the following
membership:Jean-Philippe Faure, Chair
Gary Hoffman, Vice Chair
John D. Kulick, Past Chair
Konstantinos Karachalios, Secretary
Ted Burse Xiaohui Liu Robby Robson
Guido R. Hiertz Kevin Lu Dorothy Stanley
Christel Hunter Mehmet Ulema
Daleep Mohla
Joseph L. Koepfinger* Andrew Myles Phil Wennblom
Thomas Koshy Paul Nikolich Philip Winston
Howard Wolfman
Hung Ling Ronald C. Petersen
Annette D. Reilly Jingyi Zhou
Dong Liu
*Member Emeritus
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ISO/IEC/IEEE 8802-1Q:2020/Amd.31:2021(E)
Introduction
This introduction is not part of IEEE Std 802.1Qcc-2018, IEEE Standard for Local and Metropolitan Area
Networks—Bridges and Bridged Networks—Amendment 31: Stream Reservation Protocol (SRP) Enhancements
and Performance Improvements.This amendment to IEEE Std 802.1Q-2018 provides enhancements to the configuration of time-sensitive
streams.This standard contains state-of-the-art material. The area covered by this standard is undergoing evolution.
Revisions are anticipated within the next few years to clarify existing material, to correct possible errors, and
to incorporate new related material. Information on the current revision state of this and other IEEE 802
standards can be obtained fromSecretary, IEEE-SA Standards Board
445 Hoes Lane
Piscataway, NJ 08854-4141
USA
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ISO/IEC/IEEE 8802-1Q:2020/Amd.31:2021(E)
Contents
1. Overview.................................................................................................................................................. 15
1.3 Introduction............................................................................................................................ 15
2. Normative references............................................................................................................................... 16
3. Definitions ............................................................................................................................................... 17
4. Abbreviations........................................................................................................................................... 18
5. Conformance............................................................................................................................................ 19
5.2 Conformant components and equipment ............................................................................... 19
5.4 VLAN Bridge component requirements................................................................................ 19
5.4.1 VLAN Bridge component options......................................................................... 19
5.5 C-VLAN component conformance........................................................................................ 19
5.5.1 C-VLAN component options................................................................................. 19
5.5.2 TE-MSTID (optional) ............................................................................................ 20
5.29 TSN CNC station requirements ............................................................................................. 20
10. Multiple Registration Protocol (MRP) and Multiple MAC Registration Protocol (MMRP) .................. 21
10.6 Protocol operation.................................................................................................................. 21
10.7 Protocol specification ............................................................................................................ 21
10.7.4 Protocol timers....................................................................................................... 21
10.7.6 Protocol Action definitions.................................................................................... 21
10.7.8 Registrar state machine.......................................................................................... 22
10.7.9 LeaveAll state machine.......................................................................................... 22
10.7.11 Timer values .......................................................................................................... 22
10.7.14 External control...................................................................................................... 23
10.8 Structure and encoding of Multiple Registration Protocol Data Units (MRPDUs) .............. 23
10.8.3 Packing and parsing MRPDUs .............................................................................. 23
12. Bridge management ................................................................................................................................. 24
12.20 Management entities for FQTSS ........................................................................................... 24
12.20.1 Bandwidth Availability Parameter Table ............................................................... 24
12.20.2 Transmission Selection Algorithm Table .............................................................. 25
12.20.3 Priority Regeneration Override Table.................................................................... 25
12.20.4 SR Class to Priority Mapping Table ...................................................................... 25
12.22 Stream Reservation Protocol (SRP) entities .......................................................................... 26
12.22.1 SRP Bridge Base Table.......................................................................................... 26
12.22.2 SRP Bridge Port Table........................................................................................... 26
12.22.6 SRP Stream Preload Table..................................................................................... 27
12.22.7 SRP Reservations Preload Table ........................................................................... 27
12.32 Stream reservation remote management................................................................................ 28
12.32.1 Bridge Delay .......................................................................................................... 29
12.32.2 Propagation Delay.................................................................................................. 30
12.32.3 Static Trees ............................................................................................................31
12.32.4 MRP External Control ........................................................................................... 32
17. Management Information Base (MIB) .................................................................................................... 36
17.4 Security considerations .......................................................................................................... 36
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ISO/IEC/IEEE 8802-1Q:2020/Amd.31:2021(E)
17.4.12 Security considerations of the IEEE8021-FQTSS-MIB........................................ 36
17.4.14 Security considerations of the IEEE8021-SRP MIB ............................................. 36
17.7.12 Definitions for the IEEE8021-FQTSS-MIB module ............................................. 38
17.7.14 Definitions for the IEEE8021-SRP-MIB module.................................................. 55
17.7.25 Definitions for the IEEE8021-SR-RM-MIB module............................................. 82
34. Forwarding and queuing enhancements for time-sensitive streams (FQTSS) ........................................ 94
34.1 Overview................................................................................................................................ 94
34.2 Detection of SRP domains..................................................................................................... 95
34.3 The bandwidth availability parameters.................................................................................. 95
34.3.1 deltaBandwidth when lockClassBandwidth is false .............................................. 96
34.3.2 deltaBandwidth when lockClassBandwidth is true ............................................... 96
34.3.3 Bandwidth availability parameter management .................................................... 97
34.4 Deriving actual bandwidth requirements from the size of the MSDU .................................. 97
34.5 Default SR class configuration .............................................................................................. 98
34.6 Transmission selection......................................................................................................... 100
34.6.1 Credit-based shaper.............................................................................................. 100
34.6.2 Strict priority........................................................................................................ 102
34.6.3 Scheduled traffic ............................................................
...
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