ISO/IEC 8802-11:2005/Amd 6:2006

Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications — Amendment 6: Medium Access Control (MAC) Security Enhancements

Technologies de l'information — Télécommunications et échange d'information entre systèmes — Réseaux locaux et métropolitains — Exigences spécifiques — Partie 11: Spécifications pour le contrôle d'accès au support et la couche physique — Amendement 6: Perfectionnements de la sécurité de moyens de contrôle d'accès (MAC)

General Information

• Status: Withdrawn
• Publication Date: 12-Dec-2006
• Withdrawal Date: 12-Dec-2006
• ICS: 35.110 - Networking
• Technical Committee: ISO/IEC JTC 1/SC 6 - Telecommunications and information exchange between systems
• Drafting Committee: ISO/IEC JTC 1/SC 6 - Telecommunications and information exchange between systems
• Current Stage: 9599 - Withdrawal of International Standard
• Completion Date: 05-Nov-2012

Relations

• Revised: ISO/IEC/IEEE 8802-11:2012 - Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 11: Wireless LAN medium access control (MAC) and physical layer (PHY) specifications
• Effective Date: 10-May-2012
• Amends: ISO/IEC 8802-11:2005 - Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications
• Effective Date: 06-Jun-2022
• Child: ISO/IEC 8802-11:2005 - Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications
• Effective Date: 15-Apr-2008

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 8802-11
Second edition
2005-08-01
AMENDMENT 6
2006-12-15
IEEE STD 802.11i-2004
(Amendment to
IEEE Std 802.11-1999)

Information technology —
Telecommunications and information
exchange between systems — Local and
metropolitan area networks — Specific
requirements
Part 11:
Wireless LAN Medium Access Control
(MAC) and Physical Layer (PHY)
specifications
AMENDMENT 6: Medium Access Control
(MAC) Security Enhancements
Technologies de l'information — Télécommunications et échange
d'information entre systèmes — Réseaux locaux et métropolitains —
Exigences spécifiques
Partie 11: Spécifications pour le contrôle d'accès au support et la
couche physique
AMENDEMENT 6: Perfectionnements de la sécurité de moyens de
contrôle d'accès (MAC)




Reference number
ISO/IEC 8802-11:2005/Amd.6:2006(E)
IEEE Std 802.11i-2004
(Amendment to IEEE Std 802.11-1999)

---------------------- Page: 1 ----------------------
ISO/IEC 8802-11:2005/Amd.6:2006(E)
IEEE Std 802.11i-2004
(Amendment to IEEE Std 802.11-1999)
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ii

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IEEE Std 802.11i™-2004
™
[Amendment to IEEE Std 802.11 , 1999 Edition (Reaff 2003)
as amended by
™ ™
IEEE Stds 802.11a -1999, 802.11b -1999,
™ ™
802.11b -1999/Cor 1-2001, 802.11d -2001,
™ ™
802.11g -2003, and 802.11h -2003]
TM
802.11i
IEEE Standard for
Information technology—
Telecommunications and information
exchange between systems—
Local and metropolitan area networks—
Specific requirements
Part 11: Wireless LAN Medium Access Control
(MAC) and Physical Layer (PHY) specifications
Amendment 6: Medium Access Control (MAC)
Security Enhancements
IEEE Computer Society
Sponsored by the
LAN/MAN Standards Committee
This amendment is an approved IEEE
Standard. It will be incorporated into the
base standard in a future edition.
23 July 2004
Print: SH95248
PDF: SS95248
3 Park Avenue, New York, NY 10016-5997, USA
IEEE Standards
IEEE Standards

---------------------- Page: 3 ----------------------
IEEE Std 802.11i™-2004
[Amendment to IEEE Std 802.11™, 1999 Edition (Reaff 2003)
as amended by IEEE Stds 802.11a™-1999, 802.11b™-1999,
802.11b™-1999/Cor 1-2001, 802.11d™-2001,
802.11g™-2003, and 802.11h™-2003]
IEEE Standard for
Information technology—
Telecommunications and information
exchange between systems—
Local and metropolitan area networks—
Specific requirements
Part 11: Wireless LAN Medium Access Control
(MAC) and Physical Layer (PHY) specifications
Amendment 6: Medium Access Control
(MAC) Security Enhancements
Sponsor
LAN/MAN Committee
of the
IEEE Computer Society
Approved 24 June 2004
IEEE-SA Standards Board

---------------------- Page: 4 ----------------------
Abstract: Security mechanisms for IEEE 802.11 are defined in this amendment, which includes a
definition of WEP for backward compatibility with the original standard, IEEE Std 802.11, 1999 Edi-
tion. This amendment defines TKIP and CCMP, which provide more robust data protection mech-
anisms than WEP affords. It introduces the concept of a security association into IEEE 802.11 and
defines security association management protocols called the 4-Way Handshake and the Group
Key Handshake. Also, it specifies how IEEE 802.1X may be utilized by IEEE 802.11 LANs to effect
authentication.
Keywords: AES, authentication, CCM, CCMP, confidentiality, countermeasures, data authenticity,
EAPOL-Key, 4-Way Handshake, Group Key Handshake, IEEE 802.1X, key management, key mix-
ing, Michael, RC4, replay protection, robust security network, RSN, security, security association,
TKIP, WEP
The Institute of Electrical and Electronics Engineers, Inc.
3 Park Avenue, New York, NY 10016-5997, USA
Copyright © 2004 by the Institute of Electrical and Electronics Engineers, Inc.
All rights reserved. Published 23 July 2004. Printed in the United States of America.
IEEE and 802 are registered trademarks in the U.S. Patent & Trademark Office, owned by the Institute of Electrical and
Electronics Engineers, Incorporated.
Print: ISBN 0-7381-4073-2 SH95248
PDF: ISBN 0-7381-4074-0 SS95248
No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior
written permission of the publisher.

---------------------- Page: 5 ----------------------
ISO/IEC 8802-11:2005/Amd.6:2006(E)
IEEE Std 802.11i-2004
(Amendment to IEEE Std 802.11-1999)
International Standard ISO/IEC 8802-11:2005/Amd.6:2006(E)
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees
established by the respective organization to deal with particular fields of technical activity. ISO and IEC
technical committees collaborate in fields of mutual interest. Other international organizations, governmental
and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information
technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of the joint technical committee is to prepare International Standards. Draft International
Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as
an International Standard requires approval by at least 75 % of the national bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.
Amendment 6 to ISO/IEC 8802-11:2005 was prepared by Joint Technical Committee ISO/IEC JTC 1,
Information technology, Subcommittee SC 6, Telecommunications and information exchange between
systems.


International Organization for Standardization / International Electrotechnical Commission
Case postale 56 • CH-1211 Genève 20 • Switzerland

---------------------- Page: 6 ----------------------
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---------------------- Page: 7 ----------------------
Introduction
[This introduction is not part of IEEE Std 802.11i™-2004, IEEE Standard for Information
Technology—Telecommunications and Information Exchange Between Systems—Local and
Metropolitan Area Networks—Specific Requirements—Part 11: Wireless Medium Access Control
(MAC) and Physical Layer (PHY) Specifications—Amendment 6: Medium Access Control (MAC)
Security Enhancements.)]
Enhanced security services and mechanisms for the IEEE 802.11 medium access control (MAC) beyond
those features and capabilities provided by the wired equivalent privacy (WEP) mechanism of the base stan-
dard, IEEE Std 802.11, 1999 Edition, are defined in this amendment. This amendment retains the WEP fea-
ture for purposes of backwards compatibility with existing IEEE 802.11 devices, but WEP is deprecated in
favor of the new security features provided in this amendment.
Notice to users
Errata
Errata, if any, for this and all other standards can be accessed at the following URL: http://
standards.ieee.org/reading/ieee/updates/errata/index.html. Users are encouraged to check this URL for
errata periodically.
Interpretations
Current interpretations can be accessed at the following URL: http://standards.ieee.org/reading/ieee/interp/
index.html.
Patents
Attention is called to the possibility that implementation of this standard may require use of subject matter
covered by patent rights. By publication of this standard, no position is taken with respect to the existence or
validity of any patent rights in connection therewith. The IEEE shall not be responsible for identifying
patents or patent applications for which a license may be required to implement an IEEE standard or for
conducting inquiries into the legal validity or scope of those patents that are brought to its attention. A patent
holder or patent applicant has filed a statement of assurance that it will grant licenses under these rights
without compensation or under reasonable rates and nondiscriminatory, reasonable terms and conditions to
applicants desiring to obtain such licenses. The IEEE makes no representation as to the reasonableness of
rates, terms, and conditions of the license agreements offered by patent holders or patent applicants. Further
information may be obtained from the IEEE Standards Department.
Participants
At the time the draft of this amendment was sent to sponsor ballot, the IEEE 802.11 Working Group had the
following officers:
Stuart J. Kerry, Chair
Al Petrick and Harry Worstell, Vice-Chairs
Tim Godfrey, Secretary
Brian Mathews, Publicity Standing Committee
iv Copyright © 2004 IEEE. All rights reserved.

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Tan Teik-Kheong, Wireless Next Generation Standing Committee
Terry L. Cole, Editor
John Fakatselis, Chair Task Group e
Duncan Kitchen, Vice-Chair Task Group e
Sheung Li, Chair Task Group j
Richard Paine, Chair Task Group k
Bob O’Hara, Chair Task Group m
Bruce Kramer, Chair Task Group n
When the IEEE 802.11 Working Group approved this amendment, the Task Group I had the following
membership:
David Halasz, Chair
Jesse Walker, Editor
Frank Ciotti, Secretary
Osama Aboul-Magd Don Berry Rolf De Vegt
Tomoko Adachi Jan Biermann Javier del Prado Pavon
Jaemin Ahn Georg Dickmann
Arnold Bilstad
Yoshiharu Doi
Thomas Alexander Harry Bims
Brett Douglas
Areg Alimian Bjorn Bjerke
Simon Duggins
Richard Allen Simon Black
Baris Dundar
Keith Amann Jan Boer
Bryan Dunn
Dov Andelman William Brasier
Roger Durand
Merwyn Andrade Jennifer Bray
Eryk Dutkiewicz
Carl Andren Phillip Brownlee
Mary DuVal
David Andrus Alex Bugeja
Yaron Dycian
Butch Anton Alistair Buttar
Dennis Eaton
Hidenori Aoki Peter Cain
Peter Ecclesine
Tsuguhide Aoki Richard Cam
Jonathan Edney
Michimasa Aramaki Nancy Cam-Winget
Bruce Edwards
Takashi Aramaki Bill Carney
Natarajan Ekambaram
William Arbaugh Pat Carson
Jason Ellis
Lee Armstrong Broady Cash
Darwin Engwer
Larry Arnett Jayant Chande
Jeff Erwin
Hiroshi Asai Kisoo Chang
Andrew Estrada
Yusuke Asai Clint Chaplin
Christoph Euscher
Arthur Astrin Ye Chen
Knut Evensen
Malik Audeh Hong Cheng
John Fakatselis
Geert Awater Greg Chesson
Lars Falk
Shahrnaz Azizi Aik Chindapol
Steve Fantaske
Floyd Backes Sunghyun Choi
Paul Feinberg
Jin-Seok Bae Won-Joon Choi
Alex Feldman
David Bagby
Woo-Yong Choi
Weishi Feng
Dennis Baker Yang-Seok Choi
Nestor Fesas
Ramanathan Balachander Per Christoffersson
Matthew Fischer
Jaiganesh Balakrishnan Simon Chung
Wayne Fisher
Boyd Bangerter Ken Clements
Helena Flygare
John Barr Sean Coffey
Brian Ford
Simon Barber
Terry L. Cole
Ruben Formoso
Farooq Bari Paul Congdon
Sheila Frankel
Michael Barkway W. Steven Conner
John Fuller
Kevin Barry Charles Cook
James Gardner
Anuj Batra Kenneth Cook
Atul Garg
Burak Baysal Mary Cramer
Albert Garrett
Tomer Bentzion Steven Crowley
Ramez Gerges
Mathilde Benveniste Nora Dabbous
Noam Geri
Copyright © 2004 IEEE. All rights reserved. v

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Vafa Ghazi Katsumi Ishii Onno Letanche
Monisha Ghosh Stephen Jackson Joseph Levy
James Gilb Eric Jacobsen Mike Lewis
Jeffrey Gilbert Marc Jalfon Pen Li
Rabinder Gill KyungHun Jang Quinn Li
Tim Godfrey Bruno Jechoux Sheung Li
Wataru Gohda Taehyun Jeon Jie Liang
Yuri Goldstein Moo Ryong Jeong Wei Lih Lim
Jim Goodman Daniel Jiang Yong Je Lim
Aviv Goren Kuniko Jimi Huashih Lin
Andrew Gowans Walter Johnson Sheng Lin
Rik Graulus David Johnston Victor Lin
Gordon Gray Jari Jokela Stanley Ling
Evan Green VK Jones Der-Zheng Liu
Patrick Green Bobby Jose I-Ru Liu
Kerry Greer Tyan-Shu Jou Yonghe Liu
Daqing Gu Carl Kain Titus Lo
Rajugopal Gubbi Srinivas Kandala Peter Loc
Sam Guirguis You Sung Kang Patrick Lopez
Srikanth Gummadi Jeyhan Karaoguz Hui-Ling Lou
Qiang Guo Kevin Karcz Xiaolin Lu
Vivek Gupta Pankaj Karnik Luke Ludeman
Herman Haisch Mika Kasslin Yi-Jen Lung
Steven Halford Dean Kawaguchi Akira Maeki
Robert Hall Patrick Kelly Ravishankar Mahadevappa
Neil Hamady Richard Kennedy Doug Makishima
Mounir Hamdi Stuart Kerry Majid Malek
Christopher Hansen John Ketchum Rahul Malik
Yasuo Harada Vytas Kezys Jouni Malinen
Daniel Harkins Andrew Khieu Krishna Malladi
Thomas Haslestad Ryoji Kido Stefan Mangold
Amer Hassan Tomohiro Kikuma Mahalingam Mani
Vann Hasty Byoung-Jo Kim Jonn Martell
James Hauser Dooseok Kim Naotaka Maruyama
Yutaka Hayakawa Joonsuk Kim Paul Marzec
Morihiko Hayashi Yongbum Kim Brian Mathews
Haixiang He Yongsuk Kim Yoichi Matsumoto
Xiaoning He Young Kim Sudheer Matta
Robert Heile Youngsoo Kim Thomas Maufer
Frans Hermodsson Wayne King Conrad Maxwell
Dave Hetherington John Klein Stephen McCann
Guido Hiertz Guenter Kleindl Kelly McClellan
Garth Hillman Toshiya Kobashi Gary McCoy
Christopher Hinsz Keiichiro Koga William McFarland
Jun Hirano Lalit Kotecha Timothy McGovern
Mikael Hjelm John Kowalski Bill McIntosh
Jin-Meng Ho Bruce Kraemer Justin McNew
Michael Hoghooghi Gopal Krishnan Irina Medvedev
Allen Hollister Shuji Kubota Pratik Mehta
Keith Holt Thomas Kuehnel Robert Meier
Satoru Hori Tomoaki Kumagai Graham Melvile
William Horne Takushi Kunihiro Klaus Meyer
Srinath Hosur Thomas M. Kurihara Robert Miller
Frank Howley Denis Kuwahara Partho Mishra
Yungping Hsu Joe Kwak David Mitton
Robert Huang Paul Lambert Kenichi Miyoshi
Dave Hudak David Landeta Rishi Mohindra
David Hunter Jim Lansford Peter Molnar
Syang-Myau Hwang Colin Lanzl Leo Monteban
David Hytha Choi Law Michael Montemurro
Muhammad Ikram Dongjun Lee Rondal Moore
Daichi Imamura Insun Lee Tim Moore
Kimihiko Imamura Jae Hwa Lee Anthony Morelli
Yasuhiko Inoue Marty Lefkowitz Mike Moreton
vi Copyright © 2004 IEEE. All rights reserved.

---------------------- Page: 10 ----------------------
Yuichi Morioka Ali Raissinia Paul Struhsaker
Steven Morley Ajay Rajkumar Michael Su
Robert Moskowitz Noman Rangwala Hiroki Sugimoto
Joseph Mueller Ivan Reede Abhaya Sumanasena
Syed Mujtaba Stanley Reible Qinfang Sun
Willem Mulder Anthony Reid SK Sung
Peter Murphy Joe Repice Shravan Surineni
Peter Murray Edward Reuss Hirokazu Tagiri
Andrew Myers Valentine Rhodes Masahiro Takagi
Andrew Myles Maximilian Riegel Mineo Takai
Yukimasa Nagai Edmund Ring Katsumi Takaoka
Katsuyoshi Naka Carlos Rios Daisuke Takeda
Makoto Nakahara Stefan Rommer Nir Tal
Michiharu Nakamura Jon Rosdahl Tsuyoshi Tamaki
Seigo Nakao John Sadowsky Pek-Yew Tan
Hiroyuki Nakase Ali Sadri Teik-Kheong Tan
Sanjiv Nanda Kazuyuki Sakoda Wai-Cheung Tang
Ravi Narasimhan Shoji Sakurai Takuma Tanimoto
Slobodan Nedic Kenichi Sakusabe Henry Taylor
Robert Neilsen Hemanth Sampath James Taylor
David Nelson Sumeet Sandhu Carl Temme
Dan Nemits Anil Sanwalka Stephan ten Brink
Chiu Ngo Ryo Sawai John Terry
Tuan Nguyen Tom Schaffnit Timothy Thornton
Qiang Ni Brian Schreder Jerry Thrasher
Gunnar Nitsche Sid Schrum James Tomcik
Erwin Noble Erik Schylander Allen Tsai
Tzvetan Novkov Michael Seals Jean Tsao
Ivan Oakes Joe Sensendorf Chih Tsien
Kei Obara N. Shankaranarayanan Tom Tsoulogiannis
Karen O'Donoghue Donald Shaver Kwei Tu
Hiroshi Oguma Stephen Shellhammer David Tung
Jongtaek Oh Tamara Shelton Sandra Turner
Bob O'Hara Ian Sherlock Mike Tzamaloukas
Sean O'Hara Matthew Sherman Marcos Tzannes
Yoshihiro Ohtani Ming Sheu Yusuke Uchida
Chandra Olson Shusaku Shimada Takashi Ueda
Timothy Olson Matthew Shoemake Naoki Urano
Hiroshi Ono William Shvodian Hidemi Usuba
Peter Oomen D. J. Shyy Chandra Vaidyanathan
Lior Ophir Thomas Siep Hans Van Leeuwen
Satoshi Oyama Floyd Simpson Richard van Leeuwen
Richard Paine Manoneet Singh Richard Van Nee
Michael Paljug Hasse Sinivaara Nico van Waes
Stephen Palm Efstratios (Stan) Skafidas Allert van Zelst
Jong Ae Park David Skellern Madan Venugopal
Jonghun Park Roger Skidmore George Vlantis
Joon Goo Park Donald Sloan Dennis Volpano
Taegon Park Kevin Smart Tim Wakeley
Steve Parker David Smith Brad Wallace
Glenn Parsons Yoram Solomon Thierry Walrant
Vijay Patel V. Somayazulu Vivek Wandile
Eldad Perahia Amjad Soomro Huaiyuan Wang
Sebastien Perrot Robert Soranno Stanley Wang
Al Petrick Gary Spiess Christopher Ware
Joe Pitarresi William Spurgeon Fujio Watanabe
Leo Pluswick Dorothy Stanley Mark Webster
Stephen Pope William Steck Matthew Welborn
James Portaro Greg Steele Bryan Wells
Al Potter Adrian Stephens Filip Weytjens
Henry Ptasinski William Stevens Stephen Whitesell
Anuj Puri Carl Stevenson Michael Wilhoyte
Aleksandar Purkovic Fred Stivers Michael Glenn Williams
Jim Raab Warren Strand Peter Williams
Copyright © 2004 IEEE. All rights reserved. vii

---------------------- Page: 11 ----------------------
Richard Williams Harry Worstell Kit Yong
James Wilson Charles Wright Heejung Yu
Steven Wilson Gang Wu Hon Yung
Jack Winters Yang Xiao Erol Yurtkuran
Jin Kue Wong James Yee
Zhun Zhong
Timothy Wong Jung Yee Glen Zorn
Patrick Worfolk Kazim Yildiz James Zyren
Jijun Yin
Major contributions were received from the following individuals:
Bernard Aboba Dan Hassett Mike Moreton
Areg Alimian Kevin Hayes Robert Moskowitz
Keith Amann Russ Housley David Nelson
Merwyn Andrade Jin-Meng Ho Bob O’Hara
Arun Ayyagari Dick Hubbard Richard Paine
Butch Anton Tony Jeffree Henry Ptasinski
Bob Beach Ivan Reede
Hong Jiang
Simon Black
David Johnston Carlos Rios
Simon Blake-Wilson
Asa Kalvade Phil Rogaway
Nancy Cam-Winget Kevin Karcz Mike Sabin
Clint Chaplin Paul Lambert Dan Simon
Greg Chesson Doug Smith
Marty Lefkowitz
Alan Chickinsky Mike Sordi
Onno Letanche
Frank Ciotti
Jie Liang Dorothy Stanley
Donald Eastlake III
Jouni Malinen Fred Stivers
Jonathan Edney
Thomas Maufer Sandra Turner
Niels Ferguson Dennis Volpano
Kelly McClellan
Aaron Friedman Doug Whiting
Bill McIntosh
Craig Goston Albert Young
Graham Melville
Larry Green
Tim Moore Glen Zorn
Daniel Harkins
Leo Monteban Arnoud Zwemmer
This project was balloted using individual balloting. The following members of the balloting committee
voted on this amendment. Balloters may have voted for approval, disapproval, or abstention.
Tomoko Adachi Aik Chindapol Steven Halford
John Adams Keith Chow Christopher Hansen
Toru Aihara Terry L. Cole Robert Heile
James Allen Christopher Cooke Stuart Holoman
Russell Housley
Keith Amann Todor Cooklev
Atsushi Ito
Butch Anton Todd Cooper
Peeya Iwagoshi
Eladio Arvelo Javier del Prado Pavon
Tony Jeffree
Colin Ayer Guru Dutt Dhingra
David Johnston
David Bagby Thomas Dineen
Bobby Jose
Daniel Bailey Lakshminath Dondeti
Joe Juisai
John Barr Vern Dubendorf
Thomas M. Kurihara
Les Baxter Sourav Dutta
Srinivas Kandala
Anader Benyamin-Seeyar Clint Early
Kevin Karcz
Barbara Bickham Jonathan Edney
Pankaj Karnik
Jan Boer Carl Eklund
Michael Kelsen
Gennaro Boggia Michael Fischer
Stuart Kerry
Gary Bourque
Michele Gammel
Brian Kiernan
Ed Callaway Corey Gates
Thomas Kolze
Lon Canaday Theodore Georgantas
John Kowalski
Edward Carley
Andrew Germano
Joe Kubler
Bill Carney Tim Godfrey
Denis Kuwahara
Clint Chaplin Jose Gutierrez
William Lane
Amalavoyal Chari
Chris Guy
Colin Lanzl
Brendon Chetwynd David Halasz
John Lemon
Alan Chickinsky Karen Halford
Jie Liang
viii Copyright © 2004 IEEE. All rights reserved.

---------------------- Page: 12 ----------------------
Jan-Ray Liao Stephen Palm Yoram Solomon
Randolph Little Roger Pandanda Amjad Soomro
Gregory Luri Subbu Ponnuswamy Kenneth Stanwood
Ryan Madron Albert Potter Thomas Starai
Peter Martini Vikram Punj Adrian Stephens
Kelly McClellan Bijan Raahemi Carl Stevenson
Michael McInnis Moshe Ran Masahiro Takagi
Ingolf Meier Terry Richards Pek Yew Tan
George Miao Maximilian Riegel Joseph Tardo
Yinghua Min Calvin Roberts Jerry Thrasher
Apurva Mody David Rockwell Jim Tomcik
Leo Monteban Mike Rudnick Scott Valcourt
Mike Moreton Tom Siep Richard van Leeuwen
Robert Moskowitz Thomas Sapiano Hung-yu Wei
Oliver Muelhens John Sarallo Stephen Whitesell
Andrew Myles Dave Willow
Durga Satapathy
Paul Nikolich George She Harry Worstell
Erwin Noble Hiroyasu Shimizu Shugong Xu
Bob O’Hara Akihiro Shimura Jung Yee
Satoshi Oyama Matthew Shoemake Patrick Yu
Leo Pluswick Gil Shultz Oren Yuen
Richard Paine Arnoud Zwemmer
When the IEEE-SA Standards Board approved this standard on 24 June 2004, it had the following
membership:
Don Wright, Chair
Steve M. Mills, Vice Chair
Judith Gorman, Secretary
Chuck Adams Mark S. Halpin Paul Nikolich
Raymond Hapeman T. W. Olsen
H. Stephen Berger
Ronald C. Petersen
Mark D. Bowman Richard J. Holleman
Gary S. Robinson
Joseph A. Bruder Richard H. Hulett
Frank Stone
Bob Davis Lowell G. Johnson
Malcolm V. Thaden
Joseph L. Koepfinger*
Roberto de Boisson
Doug Topping
Hermann Koch
Julian Forster*
Joe D. Watson
Thomas J. McGean
Arnold M. Greenspan
Daleep C. Mohla
*Member Emeritus
Also included are the following nonvoting IEEE-SA Standards Board liaisons:
Satish K. Aggarwal, NRC Representative
Richard DeBlasio, DOE Representative
Alan Cookson, NIST Representative
Savoula Amanatidis
IEEE Standards Managing Editor
Copyright © 2004 IEEE. All rights reserved. ix

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Contents
1. Overview. 1
1.2 Purpose. 1
2. Normative references. 2
3. Definitions . 2
4. Abbreviations and acronyms . 6
5. General description . 8
5.1 General description of the architecture. 8
5.1.1 How wireless LAN systems are different . 8
5.1.1.4 Interaction with other IEEE 802® layers . 8
5.1.1.5 Interaction with non-IEEE 802 protocols. 8
5.2 Components of the IEEE 802.11 architecture . 8
5.2.2 Distribution system (DS) concepts . 8
5.2.2.2 RSNA . 8
5.3 Logical service interfaces . 9
5.3.1 Station service (SS). 9
5.4 Overview of the services. 9
5.4.2 Services that support the distribution service . 9
5.4.2.2 Association . 9
5.4.2.3 Reassociation. 9
5.4.3 Access control and confidentiality controlservices .
...