WO2010130129A1 - 会聚式wlan中由访问控制器完成wpi时的站点切换方法及其系统 - Google Patents
会聚式wlan中由访问控制器完成wpi时的站点切换方法及其系统 Download PDFInfo
- Publication number
- WO2010130129A1 WO2010130129A1 PCT/CN2009/075354 CN2009075354W WO2010130129A1 WO 2010130129 A1 WO2010130129 A1 WO 2010130129A1 CN 2009075354 W CN2009075354 W CN 2009075354W WO 2010130129 A1 WO2010130129 A1 WO 2010130129A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- site
- access controller
- wireless terminal
- station
- destination wireless
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012795 verification Methods 0.000 claims description 46
- 238000012545 processing Methods 0.000 claims description 6
- 238000012217 deletion Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
- H04W36/0038—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information of security context information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
- H04L63/205—Network architectures or network communication protocols for network security for managing network security; network security policies in general involving negotiation or determination of the one or more network security mechanisms to be used, e.g. by negotiation between the client and the server or between peers or by selection according to the capabilities of the entities involved
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/38—Reselection control by fixed network equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
Definitions
- the present invention relates to a site switching method and system therefor in a convergence WLAN when a WPI is completed by an access controller. Background technique
- WLAN Wireless Local Area Network
- the WAP protocol WLAN station (STA) handover method is proposed under the autonomous WLAN architecture and cannot be directly applied to the WAPI-based converged WLAN architecture.
- access control devices such as an Access Controller (AC), a wireless switch, or a wireless router centrally manage WLAN authentication and policy enforcement functions. These devices can also provide centralized bridging, forwarding, and Add and decrypt user data and other functions. Summary of the invention
- the present invention provides a WLAN privacy infrastructure (WLAN Privacy Infrastructure) by the AC in the convergence WLAN architecture.
- WPI WLAN Privacy Infrastructure
- the AC can also be replaced by a device such as a wireless switch or a wireless router.
- the present invention provides a site switching method when a WPI is completed by an access controller in a convergence WLAN, and the method includes the following steps:
- Step 1 The station re-associates with the access controller through the destination wireless terminal point;
- Step 2 The access controller notifies the associated wireless terminal point to select the station;
- Step 3 The access controller notifies the The destination wireless terminal points join the site; the foregoing step 1 specifically includes the following steps:
- Step l la the site passively listening to the beacon frame of the destination wireless terminal point to obtain a parameter of the destination wireless terminal point including a WAPI information element, where the WAPI information element includes WAI authentication supported by the destination wireless terminal point And key management suite, cipher suite;
- Step 12a In the local MAC mode, the station sends a link verification request frame to the destination wireless terminal, requesting link verification with the destination wireless terminal, and the destination wireless terminal according to the The link verification request frame of the station, sending a link 3 full certificate response frame to the station;
- Step 13a After the link verification is successful, the station sends a re-association request frame to the access controller, requesting re-association with the access controller, where the station includes the current content in the re-association request frame.
- the identifier of the associated wireless terminal point, the identifier of the access controller, and the WAPI information element determine the WAI authentication and key management suite, cipher suite selected by the site, wherein the site selects the selected a WAI authentication and key management suite, a cipher suite, and a key management suite, cipher suite selected when initially associated with the access controller; the access controller parsing the reassociation request frame of the site, A reassociation response frame is sent to the site.
- step 1 specifically includes the following steps:
- Step llb the site passively listening to the beacon frame of the destination wireless terminal point, including obtaining
- Step 12b In the split MAC mode, the station sends a link verification request frame to the access controller, requesting the access controller Between the link verification, the access controller sends a link verification response frame to the station according to the link verification request frame of the site; Step 13b, after the link verification is successful, the site is The access controller sends a re-association request frame, and the request is re-associated with the access controller, where the station includes an identifier of the currently associated wireless terminal point, and the access controller in the re-association request frame.
- the identifier and the WAPI information element determine the WAI authentication and key management suite, cipher suite selected by the site, wherein the WAI authentication and key management suite, cipher suite and its initial selection selected by the site.
- step 1 specifically includes the following steps:
- Step 1 lc the site actively sends a query request frame to the destination wireless terminal, and after receiving the query request frame of the site, the destination wireless terminal sends an inquiry response frame to the station, where Receiving, by the site, the query response frame, the related parameter of the destination wireless terminal point including the WAPI information element, where the WAPI information element includes a WAI authentication and key management suite and a cipher suite supported by the destination wireless terminal point;
- Step 12c In the local MAC mode, the station sends a link verification request frame to the destination wireless terminal, requesting link verification with the destination wireless terminal, and the destination wireless terminal according to the The link verification request frame of the station, and sending a link full certificate response frame to the station;
- Step 13c After the link verification is successful, the site sends a re-association request frame to the access controller, requesting re-association with the access controller, where the site includes the current re-association request frame.
- the identifier of the associated wireless terminal point, the identifier of the access controller, and the WAPI information element determine the WAI authentication and key management selected by the site a suite, a cipher suite, wherein the WAI authentication and key management suite, cipher suite selected by the site is the same as a key management suite and cipher suite selected when initially associated with the access controller;
- the access controller parses the reassociation request frame of the site and sends a reassociation response frame to the station.
- step 1 specifically includes the following steps:
- Step 11d The station actively sends a query request frame to the destination wireless terminal, and after receiving the query request frame of the site, the destination wireless terminal sends an inquiry response frame to the site, where the site Receiving the query response frame, that is, obtaining a related parameter of the destination wireless terminal point including a WAPI information element, where the WAPI information element includes a WAI authentication and key management suite and a cipher suite supported by the destination wireless terminal point;
- Step 12d In the split MAC mode, the station sends a link verification request frame to the access controller, requesting link verification with the access controller, where the access controller is configured according to the site. a link verification request frame, sending a link verification response frame to the station; Step 13d, after the link verification is successful, the station sends a re-association request frame to the access controller, requesting to perform with the access controller Re-association, the station including, in the re-association request frame, an identifier of the currently associated wireless terminal point, an identifier of the access controller, and the WAPI information element determining the WAI authentication selected by the station and a key management suite, a cipher suite, wherein the WAI authentication and key management suite, cipher suite selected by the site is the same as a key management suite and a cipher suite selected when initially associated with the access controller
- the access controller parses the reassociation request frame of the site, and sends a reassociation response frame to the station.
- step 2 The specific steps of step 2 above are as follows:
- Step 21 The access controller sends a first CAPWAP site configuration request message to the associated wireless terminal, where the first CAPWAP site configuration request message includes a message element such as a deletion site;
- Step 22 The associated wireless terminal point sends a first CAPWAP to the access controller.
- the site configuration response message includes a result code message element in the first CAPWAP site configuration response message, and is used to identify a processing result of the first CAPWAP site configuration request message.
- step 3 The specific steps of step 3 above are as follows:
- Step 31 The access controller sends a second CAPWAP site configuration request message to the destination wireless terminal, where the second CAPWAP site configuration request message includes a joining site, a GB15629.il joining site, and a GB15629. il site session secret. a message element such as a key; wherein, C in the GB15629.il site session key message element is set to 1 for informing the destination wireless terminal to open the controlled port, forwarding all data from the corresponding site, and Describe the purpose of the access controller to implement WPI;
- Step 32 The destination wireless terminal sends a second CAPWAP site configuration response message to the access controller, where the second CAPWAP site configuration response message includes a result code message element, and is used to identify the second CAPWAP site. Configure the processing result of the request message.
- the present invention also provides a site switching system when a WPI is completed by an access controller in a convergence WLAN, where the handover system includes an access controller, a destination wireless terminal point, an associated wireless terminal point, and a site;
- the terminal point re-associates with the access controller; the access controller notifies the associated wireless terminal to delete the station; and the access controller notifies the destination wireless terminal to join the station.
- the WAPI-based convergence WLAN architecture provided by the present invention performs the site handover process when the WPI is completed by the access controller, and implements the site join between the access controller and the wireless termination point based on the CAPWAP control message during the site handover process.
- the site deletion operation enables the method to quickly and securely switch between the wireless terminal points of the site under the same access controller.
- FIG. 1 is a schematic diagram of switching between WTPs of STAs of the present invention under the same AC.
- Step 1 The STA re-associates with the AC through the destination WTP.
- Step 11 The STA passively listens to the beacon frame of the destination WTP to obtain a related parameter of the destination WTP including the WAPI information element, where the WAPI information element includes a WLAN Authentication Infrastructure (WAI) for authentication and confidentiality supported by the destination WTP.
- WAI WLAN Authentication Infrastructure
- the destination WTP After receiving the inquiry request frame of the STA, the destination WTP sends a query response frame to the STA, and the STA obtains the query response frame to obtain the WAPI information element.
- the relevant parameters of the destination WTP, the WAPI information element includes a WAI authentication and key management suite, a cipher suite, etc. supported by the destination WTP;
- Step 12 In the Medium Access Control (MAC) mode, the STA sends a link verification request frame to the destination WTP, requesting link verification with the destination WTP, and the destination WTP is based on the link verification request of the STA.
- the frame sends a link verification response frame to the STA.
- the STA In the split MAC mode, the STA sends a link verification request frame to the AC, requesting link verification with the AC, and the AC sends the link verification request frame to the STA according to the STA.
- Link horse full response frame In the Medium Access Control (MAC) mode, the STA sends a link verification request frame to the destination WTP, requesting link verification with the destination WTP, and the destination WTP is based on the link verification request of the STA.
- the frame sends a link verification response frame to the STA.
- the split MAC mode the STA sends a link verification request frame to the AC, requesting link verification with the AC, and the AC sends the link verification request frame to the STA according to
- Step 13 After the link verification is successful, the STA sends a re-association request frame to the AC, and the request is re-associated with the AC.
- the STA includes the identifier of the currently associated WTP, the identifier of the AC, and the WAPI information element in the re-association request frame to determine
- the WAI authentication and key management suite, cipher suite, and the like selected by the STA wherein the WAI authentication and key management suite and cipher suite selected by the STA are preferably the same as the suite selected when initially associated with the AC;
- the reassociation request frame sends a reassociation response frame to the STA.
- Step 2 The AC notification is associated with the WTP to delete the STA.
- Step 21 The AC sends a Control and Provisioning of Wireless Access Points protocol (CAP WAP) Site Configuration Request message to the associated WTP.
- the CAPWAP site configuration request message includes a message element such as a delete station (Delete Station).
- Step 22 The associated WTP sends a first CAPWAP Site Configuration Response (Station Configuration Response) message to the AC, where the result code (Result Code) message element is included. Used to identify the processing result of the first CAPWAP Site Configuration Request message.
- Step 3 The AC notifies the destination that the WTP joins the STA.
- Step 31 The AC sends a second CAPWAP Site Configuration Request message to the destination WTP.
- the second CAPWAP site configuration request message includes an add station, and the GB15629.il joins the site (GB15629.il Add Station). , GB15629.il site session key (GB15629. il Station Session Key) and other message elements; wherein, GB15629.il site session key (GB15629.il Station Session Key) message element C is set to 1 for notification purposes WTP forwards all data from the STA by opening a controlled port with the STA, and implements WPI by the destination AC;
- Step 2 2 The destination WTP sends a second CAPWAP Site Configuration Response (Station Configuration Response) message to the AC, where the second CAPWAP site configuration response type includes a Result Code message element, which is used to identify the configuration of the second CAPWAP site.
- Request Station Configuration Request
- the present invention also provides a STA switching system when a WPI is completed by an AC in a convergence WLAN, where the switching system includes an AC, a destination WTP, an associated WTP, and a STA; wherein the STA re-associates with the AC through the destination WTP; The WTP is associated with the STA.
- the AC notifies the destination WTP to join the STA.
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020117029791A KR101324056B1 (ko) | 2009-05-14 | 2009-12-07 | 중앙 집중형 wlan에서 액세스 컨트롤러에 의한 wpi 완성 시의 스테이션 스위칭 방법 및 그 시스템 |
US13/320,469 US8819778B2 (en) | 2009-05-14 | 2009-12-07 | Method and system for switching station in centralized WLAN when WPI is performed by access controller |
EP09844540.6A EP2432262B1 (en) | 2009-05-14 | 2009-12-07 | Method and system for switching station in centralized wlan when wpi is performed by access controller |
Applications Claiming Priority (2)
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CN2009100225220A CN101562812B (zh) | 2009-05-14 | 2009-05-14 | 会聚式wlan中由ac完成wpi时的sta切换方法及其系统 |
CN200910022522.0 | 2009-05-14 |
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WO2010130129A1 true WO2010130129A1 (zh) | 2010-11-18 |
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PCT/CN2009/075354 WO2010130129A1 (zh) | 2009-05-14 | 2009-12-07 | 会聚式wlan中由访问控制器完成wpi时的站点切换方法及其系统 |
Country Status (5)
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US (1) | US8819778B2 (zh) |
EP (1) | EP2432262B1 (zh) |
KR (1) | KR101324056B1 (zh) |
CN (1) | CN101562812B (zh) |
WO (1) | WO2010130129A1 (zh) |
Cited By (1)
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CN116528225A (zh) * | 2023-07-03 | 2023-08-01 | 广东电网有限责任公司珠海供电局 | 一种wapi终端接入网络的数据安全管理方法、系统及装置 |
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CN101562811B (zh) | 2009-05-14 | 2011-04-06 | 西安西电捷通无线网络通信股份有限公司 | 一种会聚式wlan中由wtp完成wpi时的sta漫游切换方法及其系统 |
CN101557591B (zh) * | 2009-05-14 | 2011-01-26 | 西安西电捷通无线网络通信股份有限公司 | 会聚式wlan中由wtp完成wpi时的sta切换方法及其系统 |
CN102143604B (zh) * | 2010-02-02 | 2014-02-05 | 杭州华三通信技术有限公司 | 实现无线接入点控制和配置隧道恢复的方法、系统及装置 |
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- 2009-12-07 US US13/320,469 patent/US8819778B2/en active Active
- 2009-12-07 KR KR1020117029791A patent/KR101324056B1/ko active IP Right Grant
- 2009-12-07 EP EP09844540.6A patent/EP2432262B1/en active Active
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CN116528225A (zh) * | 2023-07-03 | 2023-08-01 | 广东电网有限责任公司珠海供电局 | 一种wapi终端接入网络的数据安全管理方法、系统及装置 |
CN116528225B (zh) * | 2023-07-03 | 2023-09-08 | 广东电网有限责任公司珠海供电局 | 一种wapi终端接入网络的数据安全管理方法、系统及装置 |
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EP2432262B1 (en) | 2018-02-07 |
CN101562812A (zh) | 2009-10-21 |
EP2432262A4 (en) | 2017-05-24 |
KR20120024764A (ko) | 2012-03-14 |
EP2432262A1 (en) | 2012-03-21 |
KR101324056B1 (ko) | 2013-11-01 |
US8819778B2 (en) | 2014-08-26 |
US20120054831A1 (en) | 2012-03-01 |
CN101562812B (zh) | 2011-06-01 |
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