1、 IEEE Standard for Local and metropolitan area networks Bridges and Bridged Networks Amendment 29: Cyclic Queuing and Forwarding Sponsored by the LAN/MAN Standards Committee IEEE 3 Park Avenue New York, NY 10016-5997 USA IEEE Computer Society IEEE Std 802.1Qch-2017 (Amendment to IEEE Std 802.1Q-2014
2、 as amended by IEEE Std 802.1Qca-2015, IEEE Std 802.1Qcd-2015, IEEE Std 802.1Q-2014/Cor 1-2015, IEEE Std 802.1Qbv-2015, IEEE Std 802.1Qbu-2016, IEEE Std 802.1Qbz-2016, and IEEE Std 802.1Qci-2017) IEEE Std 802.1Qch-2017 (Amendment to IEEE Std 802.1Q-2014 as amended by IEEE Std 802.1Qca-2015, IEEE Std
3、 802.1Qcd-2015, IEEE Std 802.1Q-2014/Cor 1-2015, IEEE Std 802.1Qbv-2015, IEEE Std 802.1Qbu-2016, IEEE Std 802.1Qbz-2016, and IEEE Std 802.1Qci-2017) IEEE Standard for Local and metropolitan area networks Bridges and Bridged Networks Amendment 29: Cyclic Queuing and Forwarding Sponsor LAN/MAN Standar
4、ds Committee of the IEEE Computer Society Approved 18 May 2017 IEEE-SA Standards BoardThe Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2017 by The Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 2
5、8 June 2017. Printed in the United States of America. IEEE and 802 are registered trademarks in the U.S. Patent fitness for a particular purpose; non-infringement; and quality, accuracy, effectiveness, currency, or completeness of material. In addition, IEEE disclaims any and all conditions relating
6、 to: results; and workmanlike effort. IEEE standards documents are supplied “AS IS” and “WITH ALL FAULTS.” Use of an IEEE standard is wholly voluntary. The existence of an IEEE standard does not imply that there are no other ways to produce, test, measure, purchase, market, or provide other goods an
7、d services related to the scope of the IEEE standard. Furthermore, the viewpoint expressed at the time a standard is approved and issued is subject to change brought about through developments in the state of the art and comments received from users of the standard. In publishing and making its stan
8、dards available, IEEE is not suggesting or rendering professional or other services for, or on behalf of, any person or entity nor is IEEE undertaking to perform any duty owed by any other person or entity to another. Any person utilizing any IEEE Standards document, should rely upon his or her own
9、independent judgment in the exercise of reasonable care in any given circumstances or, as appropriate, seek the advice of a competent professional in determining the appropriateness of a given IEEE standard. IN NO EVENT SHALL IEEE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, O
10、R CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO: PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN A
11、NY WAY OUT OF THE PUBLICATION, USE OF, OR RELIANCE UPON ANY STANDARD, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE AND REGARDLESS OF WHETHER SUCH DAMAGE WAS FORESEEABLE.4 Copyright 2017 IEEE. All rights reserved. Translations The IEEE consensus development process involves the review of documen
12、ts in English only. In the event that an IEEE standard is translated, only the English version published by IEEE should be considered the approved IEEE standard. Official statements A statement, written or oral, that is not processed in accordance with the IEEE-SA Standards Board Operations Manual s
13、hall not be considered or inferred to be the official position of IEEE or any of its committees and shall not be considered to be, or be relied upon as, a formal position of IEEE. At lectures, symposia, seminars, or educational courses, an individual presenting information on IEEE standards shall ma
14、ke it clear that his or her views should be considered the personal views of that individual rather than the formal position of IEEE. Comments on standards Comments for revision of IEEE Standards documents are welcome from any interested party, regardless of membership affiliation with IEEE. However
15、, IEEE does not provide consulting information or advice pertaining to IEEE Standards documents. Suggestions for changes in documents should be in the form of a proposed change of text, together with appropriate supporting comments. Since IEEE standards represent a consensus of concerned interests,
16、it is important that any responses to comments and questions also receive the concurrence of a balance of interests. For this reason, IEEE and the members of its societies and Standards Coordinating Committees are not able to provide an instant response to comments or questions except in those cases
17、 where the matter has previously been addressed. For the same reason, IEEE does not respond to interpretation requests. Any person who would like to participate in revisions to an IEEE standard is welcome to join the relevant IEEE working group. Comments on standards should be submitted to the follo
18、wing address: Secretary, IEEE-SA Standards Board 445 Hoes Lane Piscataway, NJ 08854 USA Laws and regulations Users of IEEE Standards documents should consult all applicable laws and regulations. Compliance with the provisions of any IEEE Standards document does not imply compliance to any applicable
19、 regulatory requirements. Implementers of the standard are responsible for observing or referring to the applicable regulatory requirements. IEEE does not, by the publication of its standards, intend to urge action that is not in compliance with applicable laws, and these documents may not be constr
20、ued as doing so. Copyrights IEEE draft and approved standards are copyrighted by IEEE under U.S. and international copyright laws. They are made available by IEEE and are adopted for a wide variety of both public and private uses. These include both use, by reference, in laws and regulations, and us
21、e in private self-regulation, standardization, and the promotion of engineering practices and methods. By making these documents available for use and adoption by public authorities and private users, IEEE does not waive any rights in copyright to the documents.5 Copyright 2017 IEEE. All rights rese
22、rved. Photocopies Subject to payment of the appropriate fee, IEEE will grant users a limited, non-exclusive license to photocopy portions of any individual standard for company or organizational internal use or individual, non- commercial use only. To arrange for payment of licensing fees, please co
23、ntact Copyright Clearance Center, Customer Service, 222 Rosewood Drive, Danvers, MA 01923 USA; +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. Updating of IEEE Standards documents
24、Users of IEEE Standards documents should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended from time to time through the issuance of amendments, corrigenda, or errata. An official IEEE document at any point in time consists of the current e
25、dition of the document together with any amendments, corrigenda, or errata then in effect. Every IEEE standard is subjected to review at least every ten years. When a document is more than ten years old and has not undergone a revision process, it is reasonable to conclude that its contents, althoug
26、h still of some value, do not wholly reflect the present state of the art. Users are cautioned to check to determine that they have the latest edition of any IEEE standard. In order to determine whether a given document is the current edition and whether it has been amended through the issuance of a
27、mendments, corrigenda, or errata, visit the IEEE-SA Website at http:/ ieeexplore.ieee.org/ or contact IEEE at the address listed previously. For more information about the IEEE- SA or IEEEs standards development process, visit the IEEE-SA Website at http:/standards.ieee.org. Errata Errata, if any, f
28、or all IEEE standards can be accessed on the IEEE-SA Website at the following URL: http:/ standards.ieee.org/findstds/errata/index.html. Users are encouraged to check this URL for errata periodically. Patents Attention is called to the possibility that implementation of this standard may require use
29、 of subject matter covered by patent rights. By publication of this standard, no position is taken by the IEEE with respect to the existence or validity of any patent rights in connection therewith. If a patent holder or patent applicant has filed a statement of assurance via an Accepted Letter of A
30、ssurance, then the statement is listed on the IEEE- SA Website at http:/standards.ieee.org/about/sasb/patcom/patents.html. Letters of Assurance may indicate whether the Submitter is willing or unwilling to grant licenses under patent rights without compensation or under reasonable rates, with reason
31、able terms and conditions that are demonstrably free of any unfair discrimination to applicants desiring to obtain such licenses. Essential Patent Claims may exist for which a Letter of Assurance has not been received. The IEEE is not responsible for identifying Essential Patent Claims for which a l
32、icense may be required, for conducting inquiries into the legal validity or scope of Patents Claims, or determining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or non-discriminatory.
33、Users of this standard are expressly advised that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Association.6 Copyright 2017 IEEE. All rights reserved.
34、 Participants At the time of approval of this standard, the IEEE 802.1 Working Group had the following membership: Glenn Parsons, Chair John Messenger, Vice Chair Jnos Farkas, Chair, Time-Sensitive Networking Task Group Tony Jeffree, Editor The following members of the individual balloting committee
35、 voted on this standard. Balloters may have voted for approval, disapproval, or abstention. SeoYoung Baek Shenghua Bao Jens Bierschenk Steinar Bjornstad Christian Boiger Paul Bottorff David Chen Feng Chen Weiying Cheng Rodney Cummings Norman Finn Mickael Fontaine Geoffrey Garner Eric W. Gray Craig G
36、unther Marina Gutierrez Stephen Haddock Mark Hantel Patrick Heffernan Marc Holness Tony Jeffree Michael Johas Teener Hal Keen Stephan Kehrer Philippe Klein Jouni Korhonen Yizhou Li Christophe Mangin Tom McBeath James McIntosh Robert Moskowitz Tero Mustala Hiroki Nakano Bob Noseworthy Donald R. Panne
37、ll Walter Pienciak Michael Potts Karen Randall Maximilian Riegel Jessy Rouyer Eero Ryyty Soheil Samii Behcet Sarikaya Frank Schewe Michael Seaman Johannes Specht Patricia Thaler Paul Unbehagen Hao Wang Karl Weber Brian Weis Jordon Woods Nader Zein Helge Zinner Juan Carlos Zuniga Thomas Alexander But
38、ch Anton Stefan Aust Gordon Bechtel Steinar Bjornstad Christian Boiger Nancy Bravin William Byrd Juan Carreon Keith Chow Charles Cook Rodney Cummings Eugene Dai Patrick Diamond Sourav Dutta Marc Emmelmann Jnos Farkas Norman Finn Michael Fischer Yukihiro Fujimoto Devon Gayle Eric W. Gray Randall Grov
39、es Craig Gunther Stephen Haddock Marek Hajduczenia Mark Hantel Marco Hernandez Guido Hiertz Werner Hoelzl Rita Horner Noriyuki Ikeuchi Osamu Ishida Atsushi Ito Raj Jain Tony Jeffree SangKwon Jeong Peter Jones Jeritt Kent Stuart Kerry Yongbum Kim Jeff Koftinoff Jouni Korhonen Bruce Kraemer John Lemon
40、 Joseph Levy Jon Lewis Arthur H. Light Elvis Maculuba Arthur Marris Charles Moorwood Matthew Mora Henry Muyshondt Michael Newman Charles Ngethe Satoshi Obara Glenn Parsons Bansi Patel Adee Ran Alon Regev Robert Robinson Benjamin Rolfe Dan Romascanu Osman Sakr Frank Schewe Michael Seaman Thomas Starai Walter Struppler Patrik Sundstrom Steven Tilden Mark-Rene Uchida Prabodh Varshney George Vlantis Karl Weber Andreas Wolf Oren Yuen Zhen Zhou