IEEE 802.11u-2011 无线局域网外部网络互操作规范

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IEEE 802.11u-2011 无线局域网 WLAN 与外部网络的互操作规范 IEEE 802.11u-2011 是一种无线局域网 WLAN 的互操作规范，旨在提高 WLAN 与外部网络之间的互操作性。该规范的主要目标是：发现和选择网络、从外部网络传输信息、提供紧急服务和与 subscription service provider networks（SSPN）接口。一、 IEEE 802.11u-2011 的主要功能 1. 网络发现和选择：IEEE 802.11u-2011 允许 WLAN 设备发现和选择外部网络，以提供更好的网络服务。 2. 信息传输：该规范允许 WLAN 设备从外部网络传输信息，以提供更好的网络服务。 3. 紧急服务：IEEE 802.11u-2011 提供紧急服务功能，如紧急呼叫和位置信息等。 4. SSPN 接口：该规范允许 WLAN 设备与 SSPN 接口，以提供更好的网络服务。二、 IEEE 802.11u-2011 的技术特点 1. Medium Access Control（MAC）：IEEE 802.11u-2011 使用 MAC 层来控制 WLAN 设备的访问和传输。 2. Wireless Local Area Network（WLAN）：该规范基于 WLAN 技术，提供高速、可靠的无线网络连接。 3. Interworking with External Networks：IEEE 802.11u-2011 支持 WLAN 与外部网络的互操作，以提供更好的网络服务。三、 IEEE 802.11u-2011 的应用场景 1. 无线热点：IEEE 802.11u-2011 可应用于无线热点，提供高速、可靠的无线网络连接。 2. 企业网络：该规范可应用于企业网络，提供安全、可靠的网络服务。 3. 公共热点：IEEE 802.11u-2011 可应用于公共热点，提供高速、可靠的无线网络连接。四、 IEEE 802.11u-2011 的技术优势 1. 高速传输：IEEE 802.11u-2011 支持高速的无线网络传输，提供更好的网络服务。 2. 可靠性高：该规范提供了可靠的网络服务，减少了网络故障的可能性。 3. 安全性高：IEEE 802.11u-2011 提供了高度的安全性，保护了用户的网络安全。五、 IEEE 802.11u-2011 的发展前景 1. 无线网络的普及：IEEE 802.11u-2011 的普及将推动无线网络的发展，提供更好的网络服务。 2. 新的商业模式：该规范的普及将创造新的商业模式，提供更多的商业机会。 3. 提高用户体验：IEEE 802.11u-2011 将提高用户的网络体验，提供更好的网络服务。

List of figures

Figure 5-6a—SSPN interface service architecture .......................................................................................... 5

Figure 5-10a—Interworking reference model ................................................................................................. 7

Figure 5-10b—ESS link illustration ................................................................................................................ 8

Figure 6-1—MAC data plane architecture .................................................................................................... 10

Figure 7-36r—GAS Query Response Fragment ID field .............................................................................. 18

Figure 7-36s—Venue Info field format ......................................................................................................... 18

Figure 7-95o118—Interworking element format .......................................................................................... 23

Figure 7-95o119—Access Network Options format ..................................................................................... 23

Figure 7-95o120—Advertisement Protocol element format ......................................................................... 24

Figure 7-95o121—Advertisement Protocol Tuple format.............................................................................25

Figure 7-95o122—Query Response Info format ........................................................................................... 25

Figure 7-95o123—Expedited Bandwidth Request element format............................................................... 26

Figure 7-95o124—QoS Map Set element description................................................................................... 27

Figure 7-95o125—DSCP Exception format.................................................................................................. 27

Figure 7-95o126—DSCP Range description................................................................................................. 28

Figure 7-95o127—Roaming Consortium information element format ......................................................... 28

Figure 7-95o128—OI #1 and #2 Lengths field format.................................................................................. 29

Figure 7-95o129—Emergency Alert Identifier information element format ................................................ 29

Figure 7-95q—ANQP element format ..................................................................................................

........ 30

Figure

7-95r—ANQP Query list format........................................................................................................ 31

Figure 7-95s—ANQP Capability list format ................................................................................................. 32

Figure 7-95t—Venue Name information format ........................................................................................... 32

Figure 7-95u—Venue Name Duple field....................................................................................................... 33

Figure 7-95v—Emergency Call Number information format ....................................................................... 33

Figure 7-95w—Emergency Call Number Unit field format.......................................................................... 33

Figure 7-95x—Network Authentication Type information format ............................................................... 34

Figure 7-95y—Network Authentication Type Unit field format................................................................... 34

Figure 7-95z—Roaming Consortium list format........................................................................................... 35

Figure 7-95aa—OI Duple format .................................................................................................................. 35

Figure 7-95ab—ANQP vendor-specific query format .................................................................................. 36

Figure 7-95ac—IP Address Type Availability information ..........................................................................36

Figure 7-95ad—IP Address field format ....................................................................................................... 36

Figure 7-95ae—NAI Realm list format ......................................................................................................... 37

Figure 7-95af—NAI Realm Data field format .............................................................................................. 38

Figure 7-95ag—NAI Realm Encoding subfield format ................................................................................38

Figure 7-95ah—EAP Method subfield format .............................................................................................. 38

Figure 7-95ai—Authentication Parameter subfield format ........................................................................... 39

Figure 7-95aj—3GPP Cellular Network information format ........................................................................ 41

Figure 7-95ak—AP

Geospatial Location format.

.......................................................................................... 41

Figure 7-95al—AP Civic Location format .................................................................................................... 42

Figure 7-95am—AP Location Public Identifier URI format......................................................................... 42

Figure 7-95ao—Domain Name field format ................................................................................................. 43

Figure 7-95ap—Emergency Alert URI information format .......................................................................... 43

Figure 7-95aq—Emergency NAI element format ......................................................................................... 43

Figure 7-95an—Domain Name list format .................................................................................................... 43

Figure 7-101h10—Query Request length field ............................................................................................. 47

Figure 7-101h11—Query Request field ........................................................................................................ 47

Figure 7-101h12—GAS Comeback Delay field............................................................................................ 48

Figure 7-101h13—Query Response length field ........................................................................................... 48

Figure 7-101h14—Query Response field ...................................................................................................... 48

Figure 11-24—GAS message sequence with dot11GASPauseForServerResponse set to true..................... 76

List of tables

Table 7-10—Association Request frame body.............................................................................................. 15

Table 7-11—Association Response frame body ........................................................................................... 15

Table 7-8—Beacon frame body..................................................................................................................... 15

Table 7-12—Reassociation Request frame body........................................................................................... 16

Table 7-13—Reassociation Response frame body ........................................................................................ 16

Table 7-14—Probe Request frame body ....................................................................................................... 16

Table 7-22—Reason codes ............................................................................................................................ 17

Table 7-15—Probe Response frame body ..................................................................................................... 17

Table 7-23—Status codes .............................................................................................................................. 18

Table 7-25m—Venue Group codes and descriptions .................................................................................... 19

Table 7-25n—Venue Type assignments........................................................................................................ 19

Table 7-26—Element IDs.............................................................................................................................. 22

Table 7-35a—Capabilities field..................................................................................................................... 22

Table 7-43bh—Access network type............................................................................................................. 24

Table 7-43bi—Advertisement protocol ID definitions.................................................................................. 26

Table 7-43bj—Precedence Level field description........................................................................................ 27

Table 7-43bk—ANQP information ID definitions ........................................................................................ 30

Table 7-43bl—Network Authentication Type Indicator definitions ............................................................. 34

Table 7-43bn— IPv4 Address field values.................................................................................................... 37

Table 7-43bm—IPv6 Address field values.................................................................................................... 37

Table 7-43bo—Authentication Parameter types............................................................................................ 39

Table 7-43bp—Authentication Parameter format for the Expanded EAP method ....................................... 40

Table 7-43bq—Vendor-Specific Authentication Parameters ........................................................................ 41

Table 7-45—QoS Action field values ........................................................................................................... 44

Table 7-46—ADDTS Request frame body ................................................................................................... 44

Table 7-47—ADDTS Response frame body ................................................................................................. 45

Table 7-49a—QoS Map configure frame body ............................................................................................. 45

Table 7-57e—Public Action field values....................................................................................................... 46

Table 7-57f6—GAS Initial Request frame body format ............................................................................... 46

Table 7-57f7—GAS Initial Response frame body format.............................................................................47

Table 7-57f9—GAS Comeback Response frame body format ..................................................................... 49

Table 7-57f8—GAS Comeback Request frame body format........................................................................ 49

Table 7-57m—Protected Dual of Public Action field values ........................................................................5

Table 11-2—Encoding of ResultCode to Status Code field value ................

................................................ 74

Table 11-14—GAS MLME primitive’s encoding of Result Code to Status Code field ............................... 79

Table 11-15—ANQP usage ........................................................................................................................... 83

Table 11-16—ESR and UESA field settings................................................................................................. 89

Table 11A-2—Resource types and resource descriptor definitions .............................................................. 91

Table 11B-1—Reason codes for network down............................................................................................ 97

Table 11B-2—Reason codes for ESS link down........................................................................................... 98

Table 11B-3—ESS description.................................................................................................................... 100

Table 11B-4—Trigger support values ......................................................................................................... 101

Table 11B-5—Event Capability Set ............................................................................................................ 104

Table 11B-6—ESS Link Parameter Set....................................................................................................... 105

Table X-2—Example Enterprise DSCP to UP/AC mapping....................................................................... 181

Table X-1—Mapping table of DSCP to 3GPP QoS information and EDCA ACs ..................................... 181

Table X-3—UP to DSCP range mapping example ..................................................................................... 182

Table X-4—SSPN Interface information or permission parameters ........................................................... 183

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 9: Interworking with External

Networks

(This amendment is based on IEEE Std 802.11™-2007, as amended by IEEE Std 802.11k™-2008, IEEE Std 802.11r™-

2008, IEEE Std 802.11y™-2008, IEEE Std 802.11w™-2009, IEEE Std 802.11n™-2009, IEEE Std 802.11p™-2010,

IEEE Std 802.11z™-2010, and IEEE Std 802.11v™-2011.)

IMPORTANT NOTICE: This standard is not intended to ensure safety, security, health, or

environmental protection. Implementers of the standard are responsible for determining appropriate

safety, security, environmental, and health practices or regulatory requirements.

This IEEE document is made available for use subject to important notices and legal disclaimers. These

notices and disclaimers appear in all publications containing this document and may be found under the

heading “Important Notice” or “Important Notices and Disclaimers Concerning IEEE Documents.”

They can also be obtained on request from IEEE or viewed at http://standards.ieee.org/IPR/

discla

imers.html.

NOTE—The editing instructions contained in this amendment define how to merge the material contained therein into

the existing base standard and its amendments to form the comprehensive standard.

The editing instructions are shown in bold italic. Four editing instructions are used: change, delete, insert, and replace.

Change is used to make corrections in existing text or tables. The editing instruction specifies the location of the change

and describes what is being changed by using strikethrough

(to remove old material) and underscore (to add new mate-

rial). Delete removes existing material. Insert adds new material without disturbing the existing material. Insertions may

require renumbering. If so, renumbering instructions are given in the editing instruction. Replace is used to make

changes in figures or equations by removing the existing figure or equation and replacing it with a new one. Editorial

notes will not be carried over into future editions because the changes will be incorporated into the base standard.

Notes in text, tables, and figures are given for information only, and do not contain requirements needed to implement the standard.

IEEE 

Std 802.11u-2011 LOCAL AND METROPOLITAN AREA NETWORKS

1. Overview

1.2 Purpose

Insert the following new list item at end of the dashed list in 1.2:

—

Defines functions and procedures aiding network discovery and selection by STAs, information

transfer from external networks using QoS mapping, and a general mechanism for the provision of

emergency services.

2. Normative references

Insert the following new references in alphanumeric order into Clause 2:

3GPP TS 24.234, 3GPP System to Wireless Local Area Network (WLAN) interworking; WLAN User

Equipment (WLAN UE) to network protocols; Stage 3.

IANA EAP Method Type Numbers, http://www.iana.org/assignments/eap-numbers.

IEEE Std 802.21™-2008, IEEE Standard for Local and Metropolitan Area Networks: Media Independent

Handover Services, January 2009.

3, 4

IETF RFC 1035, Domain Names — Implementation and Specification, P. Mockapetris, November 1987.

IETF RFC 3629, UTF-8, a transformation format of ISO 10646, F. Yergeau, November 2003.

IETF RFC 3748, Extensible Authentication Protocol (EAP), B. Aboba, L. Blunk, J. Vollbrecht, J. Carlson,

H. Levkowetz, June 2004.

IETF RFC 3986, Uniform Resource Identifier (URI): Generic Syntax, January 2005.

IETF RFC 4282, The Network Access Identifier, December 2005.

IETF RFC 5216, The EAP-TLS Authentication Protocol, D. Simon, B. Aboba, R. Hurst, March 2008.

OASIS Emergency Management Technical Committee, “Emergency Data Exchange Language (EDXL)

Distribution Element, v. 1.0.” OASIS Standard EDXL-DE v1.0, May 2006.

3. Definitions

Insert the following new definitions in alphabetical order into Clause 3, renumbering as necessary:

3.267 Access Network Query Protocol (ANQP): The query protocol for access network information

retrieval transported by generic advertisement service (GAS) Public Action frames.

3GPP documents are available from the 3rd Generation Partnership Project Web site (http://www.3gpp.org).

IEEE publications are available from the Institute of Electrical and Electronics Engineers, 445 Hoes Lane, Piscataway, NJ 08854,

USA (http://standards.ieee.org/).

The IEEE standards or products referred to in this clause are trademarks of the Institute of Electrical and Electronics

Engineers, Inc.

Internet RFCs are available from the Internet Engineering Task Force at http://www.ietf.org/.

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