WO2006006464A1 - アクセスポイント制御システム及びアクセスポイント制御方法 - Google Patents
アクセスポイント制御システム及びアクセスポイント制御方法 Download PDFInfo
- Publication number
- WO2006006464A1 WO2006006464A1 PCT/JP2005/012465 JP2005012465W WO2006006464A1 WO 2006006464 A1 WO2006006464 A1 WO 2006006464A1 JP 2005012465 W JP2005012465 W JP 2005012465W WO 2006006464 A1 WO2006006464 A1 WO 2006006464A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- access point
- statistical information
- point control
- control device
- message
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/12—Access point controller devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/06—Generation of reports
- H04L43/065—Generation of reports related to network devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- 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 an access point control system and an access point control method for controlling an access point apparatus by transmitting a message to the access point apparatus.
- This network system is advantageous in that the access point device can be made simple and therefore inexpensive, and the management burden on the network administrator can be reduced.
- LWAPP Light Weight Access Point Protocol
- the access point control device constantly checks the existence of an access point and maintains a session.
- the session maintenance process is realized by the access point control device receiving a session maintenance message (Echo Request message) periodically transmitted by the access point device.
- the network management device installed outside is mainly used for statistical information of the access point device.
- FIG. 1 A conventional access point control system is shown in FIG. 1 (see Non-Patent Document 1). See).
- the solid arrow indicates a session maintenance message between the access point controller and the access point
- the broken arrow indicates an access point statistical information transmission message.
- the conventional access point control system transmits a plurality of messages to a plurality of access point apparatuses 11-1 to: L1-3 and access point apparatus 111 to: L13.
- Access point control device 12 for controlling the access point control device 11-1 to 11-3, and a network management device 13 for managing the access point control device 12 by transmitting a message to the access point control device 12. To do.
- Access point device 11-1 can communicate with communication terminal devices 14-1, 14-2.
- the access point device 11 2 can communicate with the communication terminal device 14 3.
- the access point device 11-3 can communicate with the communication terminal device 14-4. Then, a statistical information acquisition sequence is running between the access point devices 11-1, 11-2, 11-3 and the access point control device 12 in addition to the session maintenance sequence.
- the access point apparatuses 11-1 to 11-2 periodically transmit a session maintenance message to the access point control apparatus 12. Further, as shown in FIG. 2, the access point devices 11-1 to L1-2 send periodic statistical information transmission messages to the access point control device 12 periodically.
- the access point control device 12 When the access point control device 12 receives the (a) statistical information acquisition request of the access point device 111 from the network management device 13, the access point control device 12 manages the access point device 11-1 Is reported to the network management device 13.
- Non-Patent Document 1 internet- draft ⁇ Light Weight Access Point Protocol (LWAPP) j http: //www.ietf.org/internet-drafts/draft-ohara-capwap-LWAPP-OO.txt
- LWAPP Light Weight Access Point Protocol
- the network management device in order for the network management device to acquire the statistical information of the access point device, the statistical information is stored between the access point device and the access point control device. Necessary to exchange messages Therefore, there is a problem if the network bandwidth resources between the access point control device and the access point device and CPU resources of the access point device and the access point control device are wasted.
- An object of the present invention is to provide an access point control system and an access that can transmit statistical information of an access point device without exchanging extra messages, that is, without wasting extra CPU resources and network bandwidth resources. It is to provide a point control method.
- the access point control system of the present invention includes a plurality of access point devices, an access point control device that controls the plurality of access point devices by transmitting a message to the plurality of access point devices, and the access point And a network management device that manages the access point control device by transmitting a message to the control device, wherein each of the plurality of access point devices sends a session maintenance message to the access point control device.
- Statistical information simultaneous notification means for simultaneously reporting statistical information to the access point control apparatus when transmitting to the access point control apparatus, and the access point control apparatus holds statistical information holding means when receiving the statistical information; and From network management unit A statistical information notifying unit for notifying the network management device of the statistical information received from the access point device when a statistical information acquisition request, which is a request for acquiring the statistical information of the access point device, is received. Take the configuration.
- the access point control method of the present invention includes a plurality of access point devices, an access point control device that controls the plurality of access point devices by transmitting a message to the plurality of access point devices, and the access point control.
- a network management device that manages the access point control device by transmitting a message to the device, wherein each of the plurality of access point devices transmits a session maintenance message.
- a statistical information simultaneous notification step of simultaneously reporting statistical information to the access point control device when transmitting to the access point control device; and the access point control device receives the statistical information
- a statistical information holding step that is occasionally held; and when the access point control device receives a statistical information acquisition request, which is a request for acquiring the statistical information of the access point device, from the network management device.
- a statistical information reporting step for reporting the statistical information to the network management device.
- the access point device sends statistical information to the access point control device together with a session maintenance message that is a message essential for maintaining the access point control device and the access point device. Therefore, the statistical information of the access point device can be transmitted without exchanging extra messages, that is, without wasting extra CPU resources and network bandwidth resources.
- FIG. 1 is a diagram showing the configuration of a conventional access point control system
- FIG. 3 is a diagram showing a configuration of an access point control system according to the embodiment of the present invention.
- FIG. 4 is a sequence diagram showing statistical information acquisition processing of the access point control system according to the embodiment of the present invention.
- FIG. 5 is a diagram showing a frame format of a session maintenance message used in the access point control system according to the embodiment of the present invention.
- FIG. 6 is a block diagram showing in detail the configuration of the access point control device of the access point control system according to the embodiment of the present invention.
- FIG. 7 is a diagram showing an all access point statistical information table of the access point control device of the access point control system according to the embodiment of the present invention.
- FIG. 8 is a block diagram showing in detail the configuration of the access point apparatus of the access point control system according to the embodiment of the present invention.
- FIG. 9 is a diagram showing an access point single statistical information table of the access point device of the access point control system according to the embodiment of the present invention.
- FIG. 10A Access point of access point control system according to embodiment of the present invention Flow chart showing processing when device transmits session maintenance message
- FIG. 10B is a diagram showing a packet created by the access point device of the access point control system according to the embodiment of the present invention.
- FIG. 11A is a flowchart showing processing when the access point control device of the access point control system according to the embodiment of the present invention receives a session maintenance message.
- FIG. 11B is a diagram showing a packet received by the access point control device of the access point control system according to the embodiment of the present invention.
- FIG. 3 is a diagram showing the configuration of the access point control system according to the embodiment of the present invention.
- the solid arrow indicates that a session maintenance message is transmitted from the access point to the access point control device.
- the access point control system 100 includes a plurality of access point devices 101-1 to 101-3 and messages to the access point devices 101-1 to 101-3.
- the access point control device 102 that controls the plurality of access point devices 101-1 to: L01-3, and network management that manages the access point control device 102 by sending a message to the access point control device 102 And a device 103.
- Access point apparatus 101-1 can communicate with communication terminal apparatuses 104-1 and 104-2.
- Access point apparatus 101-2 can communicate with communication terminal apparatus 104-3.
- the access point device 101-3 can communicate with the communication terminal device 104-4.
- Each of the plurality of access point devices 101-1 to 101-3 simultaneously notifies the access point control device 102 of statistical information when transmitting a session maintenance message to the access point control device 102.
- the access point control device 102 holds the statistical information when it receives it, and receives a statistical information acquisition request, which is a request for acquiring each statistical information of the access point devices 101-1 to 101-3 from the network management device 103. At some times, the network management device 103 is notified of statistical information that is also received by each of the access point devices 101-1 to 101-3.
- the access point control apparatus 102 centrally manages (collectively) statistical information such as counters of the access point apparatus 101-1 to: L01-3 as a whole. That is, the access point control device 102 collectively manages information on access points.
- Access point apparatuses 101-1 to 101-3 periodically notify the access point control apparatus 102 of statistical information such as a counter for the access point alone on a session maintenance message.
- the access point control device 102 that has received the statistical information acquisition request from the network management device 103 manages the overall statistical information table power of the access point devices 101-1 to 101-3 that it manages! Statistics information to be picked up and notified to the network management device 103. In this way, statistical information can be notified by transmitting only the session maintenance message to each access point device 101-1, 101-2, 101-3, and so on. Can be used.
- FIG. 4 is a sequence diagram showing statistical information acquisition processing of the access point control system 100 according to the embodiment of the present invention.
- FIG. 5 is a diagram showing a frame format of a session maintenance message used in the access point control system 100 according to the embodiment of the present invention.
- step ST 201 access point apparatus 101-1 extracts (a) statistical information and places it in a session maintenance message to notify access point control apparatus 102.
- step ST202 the access point control apparatus 102 updates the held statistical information.
- step ST203 the access point apparatus 101-2 (b) extracts the statistical information and places it in the session maintenance message and notifies the access point control apparatus 102 of it.
- step ST204 the access point control apparatus 102 updates the held statistical information.
- the network management apparatus 103 sends (a) a statistical information acquisition request for acquiring statistical information to the access point control apparatus 102.
- the The point control device 102 (a) extracts the statistical information and puts it on the statistical information acquisition response and notifies the network management device 103 of it.
- the network management apparatus 103 acquires (a) statistical information of the access point apparatus 101-1.
- step ST207 access point apparatus 101-1 (a) extracts statistical information and places it in a session maintenance message to notify access point control apparatus 102.
- step ST208 the access point apparatus 101-2 extracts (b) statistical information.
- the session maintenance message used has an Ethernet (registered trademark) header, an AP control header, and AP control data.
- the session maintenance message is not limited to the lower-layer protocol Ethernet (registered trademark) but may be composed of IP, TCP, or MPLS.
- FIG. 6 is a block diagram showing in detail the configuration of access point control apparatus 102 of access point control system 100 according to an embodiment of the present invention.
- FIG. 7 is a diagram showing a total access point statistical information table of the access point control apparatus 102 of the access point control system 100 according to the embodiment of the present invention.
- the access point control apparatus 102 includes a packet receiving unit 401, an access point control packet extracting unit 402, an all access point statistical information table 403, an access point control packet processing unit 404, and a session maintenance process.
- a management unit 405 is provided.
- the packet receiving unit 401 also receives a packet with a communication interface capability.
- the access point control packet extraction unit 402 analyzes the header of the received packet and determines whether it is a session maintenance message.
- the all access point statistical information table 403 collectively manages the statistical information of all the access point devices 101-1 to 101-3.
- the access point control packet processing unit 404 has a payload of the session maintenance message. And statistical information of the access point device is extracted and held (updated) in the all access point statistical information table 403. Session maintenance process management unit 405 maintains an access point management session with the access point device.
- the all access point statistical information table 403 includes information on the counter type and value for each of all the access point devices 101-1 to 101-3.
- FIG. 8 is a block diagram showing in detail the configuration of access point apparatus 101-1 of access point control system 100 according to one embodiment of the present invention.
- FIG. 9 is a diagram showing a single access point statistical information table of the access point device 101-1 of the access point control system 100 according to the embodiment of the present invention.
- the access point device 101-1 includes an access point single statistical information table 601, a session maintenance process management unit 602, a statistical information acquisition unit 603, a session maintenance message creation unit 604, and a packet transmission unit. 605.
- the access point single statistical information table 601 manages single piece of statistical information of the access point device.
- the session maintenance process management unit 602 maintains an access point management session with the access point control device 102.
- the statistical information acquisition unit 603 accesses the access point single statistical information table 601 and acquires the statistical information of the access point.
- Session maintenance message creation section 604 creates a session maintenance message in which the acquired access point statistical information is embedded.
- the packet transmission unit 605 transmits a packet to the communication interface.
- the access point single statistical information table 601 has information on the counter type and Value of a single access point device.
- FIG. 10A is a flowchart showing processing when access point apparatus 101-1 of access point control system 100 according to the embodiment of the present invention transmits a session maintenance message.
- session maintenance process management section 602 determines whether to transmit a session maintenance message.
- statistical information acquisition section 603 searches single access point statistical information table 601 and acquires a parameter value to be passed to access point control apparatus 102 (step ST802).
- session maintenance message creating section 604 creates a session maintenance message by embedding the acquired parameter value in the session maintenance message (step ST803).
- packet transmission section 605 transmits the created session maintenance message to access point control apparatus 102 (step ST804).
- FIG. 10B shows an example of a packet created in step ST803.
- FIG. 11A is a flowchart showing processing when access point control apparatus 102 of access point control system 100 according to the embodiment of the present invention receives a session maintenance message.
- step ST901 packet reception section 401 determines whether or not a packet from the access point apparatus has been received.
- access point control packet extracting section 402 analyzes the EtherType of the packet from the access point apparatus (step ST902). For example, if the EtherType is “AP Control”, the packet is passed to the access point processing unit.
- the EtherType value is not particularly specified.
- access point control packet processing section 404 stores the statistical information extracted from the elements in all access point statistical information table 403 (step ST905).
- Session maintenance processing management section 405 performs maintenance processing of the access point management session with the access point device (reset of session disconnection timeout value) (step ST906).
- FIG. 11B shows an example of a packet created in step ST901.
- the present invention has an effect of transmitting statistical information of an access point device without exchanging extra messages, that is, without wasting extra CPU resources and network bandwidth resources. It is useful for the access point control method.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/631,969 US20080040476A1 (en) | 2004-07-09 | 2005-07-06 | Access Point Control System and Access Point Control Method |
EP05757846A EP1758309A4 (en) | 2004-07-09 | 2005-07-06 | ACCESS POINT CONTROL SYSTEM AND ACCESS POINT CONTROL METHOD |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004203783A JP4369811B2 (ja) | 2004-07-09 | 2004-07-09 | アクセスポイント制御システム及びアクセスポイント制御方法 |
JP2004-203783 | 2004-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006006464A1 true WO2006006464A1 (ja) | 2006-01-19 |
Family
ID=35783808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/012465 WO2006006464A1 (ja) | 2004-07-09 | 2005-07-06 | アクセスポイント制御システム及びアクセスポイント制御方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080040476A1 (ja) |
EP (1) | EP1758309A4 (ja) |
JP (1) | JP4369811B2 (ja) |
CN (1) | CN100474831C (ja) |
WO (1) | WO2006006464A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101340340B (zh) * | 2007-07-31 | 2012-07-11 | 杭州华三通信技术有限公司 | 接入点配置管理方法及接入控制器 |
CN101516131B (zh) * | 2008-02-18 | 2012-04-04 | 华为技术有限公司 | 一种数据同步的方法、系统和装置 |
JP4911211B2 (ja) * | 2009-09-30 | 2012-04-04 | 沖電気工業株式会社 | サーバー、ネットワーク機器、クライアント及びこれらから構成されるネットワークシステム |
US9608859B2 (en) * | 2013-10-25 | 2017-03-28 | Aruba Networks, Inc. | System, apparatus and method for reducing failover time through redundancy using virtual access points |
US10039031B2 (en) * | 2015-06-19 | 2018-07-31 | Fortinet, Inc. | Automatically deployed wireless network |
Citations (2)
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JP2002198971A (ja) * | 2000-12-22 | 2002-07-12 | Ricoh Co Ltd | 無線lanシステム |
JP2002223218A (ja) * | 2001-01-29 | 2002-08-09 | Toshiba Corp | 無線lanシステム、ソフトウェア及び記録媒体 |
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US6304546B1 (en) * | 1996-12-19 | 2001-10-16 | Cisco Technology, Inc. | End-to-end bidirectional keep-alive using virtual circuits |
US6363421B2 (en) * | 1998-05-31 | 2002-03-26 | Lucent Technologies, Inc. | Method for computer internet remote management of a telecommunication network element |
US6633540B1 (en) * | 1999-07-02 | 2003-10-14 | Nokia Internet Communications, Inc. | Real-time traffic shaper with keep-alive property for best-effort traffic |
US6556580B1 (en) * | 1999-12-16 | 2003-04-29 | 3Com Corporation | Multi-function transmit packet buffer |
DE60026454T2 (de) * | 2000-05-19 | 2006-11-09 | Lucent Technologies Inc. | Drahtloses lokales Netzwerk mit Lastverteilung |
US20020169871A1 (en) * | 2001-05-11 | 2002-11-14 | Cravo De Almeida Marcio | Remote monitoring |
US7372828B2 (en) * | 2001-12-21 | 2008-05-13 | Broadcom Corporation | Wireless access point management in a campus environment |
US20040078598A1 (en) * | 2002-05-04 | 2004-04-22 | Instant802 Networks Inc. | Key management and control of wireless network access points at a central server |
JP4013665B2 (ja) * | 2002-06-21 | 2007-11-28 | 株式会社日立製作所 | 無線通信方式および無線装置 |
US20040049570A1 (en) * | 2002-09-17 | 2004-03-11 | Frank Ed H. | Method and system for network management in a hybrid wired/wireless network |
US7440573B2 (en) * | 2002-10-08 | 2008-10-21 | Broadcom Corporation | Enterprise wireless local area network switching system |
US7634583B2 (en) * | 2003-12-18 | 2009-12-15 | Microsoft Corporation | Systems and methods that utilize persisted push/pull state to provide reliable message publishing |
EP1545060B1 (en) * | 2003-12-19 | 2012-06-13 | Intel Mobile Communications GmbH | Radio signal assessment |
US7130385B1 (en) * | 2004-03-05 | 2006-10-31 | Avaya Technology Corp. | Advanced port-based E911 strategy for IP telephony |
US7853708B2 (en) * | 2006-02-24 | 2010-12-14 | Cisco Technology, Inc. | Techniques for replacing point to point protocol with dynamic host configuration protocol |
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2004
- 2004-07-09 JP JP2004203783A patent/JP4369811B2/ja not_active Expired - Fee Related
-
2005
- 2005-07-06 WO PCT/JP2005/012465 patent/WO2006006464A1/ja not_active Application Discontinuation
- 2005-07-06 EP EP05757846A patent/EP1758309A4/en not_active Withdrawn
- 2005-07-06 CN CNB2005800232031A patent/CN100474831C/zh not_active Expired - Fee Related
- 2005-07-06 US US11/631,969 patent/US20080040476A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002198971A (ja) * | 2000-12-22 | 2002-07-12 | Ricoh Co Ltd | 無線lanシステム |
JP2002223218A (ja) * | 2001-01-29 | 2002-08-09 | Toshiba Corp | 無線lanシステム、ソフトウェア及び記録媒体 |
Non-Patent Citations (1)
Title |
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See also references of EP1758309A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1758309A4 (en) | 2011-03-23 |
EP1758309A1 (en) | 2007-02-28 |
US20080040476A1 (en) | 2008-02-14 |
CN1985474A (zh) | 2007-06-20 |
JP2006025364A (ja) | 2006-01-26 |
JP4369811B2 (ja) | 2009-11-25 |
CN100474831C (zh) | 2009-04-01 |
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