CN103517446A - Access controller (AC), wireless local area network system and wireless access method based on system - Google Patents
Access controller (AC), wireless local area network system and wireless access method based on system Download PDFInfo
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- CN103517446A CN103517446A CN201210204711.1A CN201210204711A CN103517446A CN 103517446 A CN103517446 A CN 103517446A CN 201210204711 A CN201210204711 A CN 201210204711A CN 103517446 A CN103517446 A CN 103517446A
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Abstract
The invention discloses an access controller (AC), a wireless local area network system and a wireless access method based on the system. The access controller (AC) includes one or a plurality of passive optical network (PON) interface boards which are connected with a main control board and are used for accessing APs supporting passive optical network (PON) technical interfaces to the main control board, wherein different passive optical network (PON) interface boards are corresponding to different passive optical network (PON) technologies. The access controller (AC), the wireless local area network system and the wireless access method based on the system of the invention can assist in solving the technical problem of a requirement for a large number of network devices to realize the access of the passive optical network (PON) technologies in the prior art. With the access controller (AC), the wireless local area network system and the wireless access method based on the system of the invention adopted, the complexity of networking is simplified, the application range of wireless local area networks is extended, and a large number of switches and routers can be saved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of wireless controller (AC), wireless local area network (WLAN) system and carry out the method for wireless access based on this system.
Background technology
At present, wireless local area network technology is increasingly mature, and development is swift and violent, and domestic Ge great operator starts to dispose the hotspot network of WiFi, and has the trend of expansion, and WLAN (wireless local area network) has very large development prospect.Because the progressively expansion ，Ge great operator of hotspot range is all generally the layout pattern that adopts wireless controller (AC)+thin AP, with AC, carry out a plurality of access points of control and management (Access Point, referred to as AP).
On the other hand, the application of optical fiber access is at present also ripe, and Fiber to the home, Fiber-To-The-Building space is disposed and also extensively carried out, and is that EPON, GPON or 10GEPON are commercial on a large scale.
Yet, in the implementation method of existing WLAN (wireless local area network), what between AP and AC, adopt is generally all traditional Ethernet transmission network, and AP and AC only have the physical interface of Ethernet, only support the Ethernet interface of 100M or 1G, between AP and AC, need through a large amount of switches.Even if there is the access of PON in some local application scenarios, its networking diagram is also AP-optical network unit (Optical Network Unit, referred to as ONU)-optical line terminal (Optical Line Terminal, referred to as OLT)-AC,, if need a plurality of equipment to connect in the middle of wanting in an AP access AC who has EPON (Passive Optical Network, referred to as a PON) function, increased the complexity of equipment.
For above-mentioned problem, effective solution is not yet proposed at present.
Summary of the invention
The invention provides a kind of AC, wireless local area network (WLAN) system and based on this system, carry out the method for wireless access, at least to solve the technical problem that needs a large amount of network equipments in prior art in order to realize the access of PON technology.
According to an aspect of the present invention, a kind of wireless controller AC is provided, comprise: master control borad, service processing board and first line of a couplet interface board, it is characterized in that, also comprise: one or more PON interface boards, are connected with master control borad, for supporting the AP access master control borad of PON technical interface, wherein, PON technology corresponding to different PON interface boards.
Preferably, PON interface board with support that between the AP of PON technical interface, adopting optical splitter to realize optical fiber is connected.
Preferably, the optical splitter that optical splitter is 1:N and/or the optical splitter of 2:N.
Preferably, on PON interface board, be provided with two layers of isolation features, for the data that the AP that supports PON technical interface is sent, be sent to master control borad and/or first line of a couplet interface board.
Preferably, PON technology comprises one of following: EPON, GPON or 10GEPON.
According to another aspect of the present invention, provide a kind of wireless local area network (WLAN) system, having comprised: the AP of above-mentioned wireless controller, support PON technical interface.
Preferably, said system also comprises another wireless controller, and wherein, another wireless controller is connected with wireless controller, for the data that the AP of the support PON technical interface of access wireless controller is sent, carries out Hot Spare.
Preferably, in the AP of support PON technical interface, be provided with ONU functional module, or be provided with ONU interface in the AP of support PON technical interface, support the AP of PON technical interface to access PON interface board by ONU.
According to a further aspect of the invention, provide a kind of method of carrying out wireless access based on above-mentioned wireless local area network (WLAN) system, having comprised: the message that the AP that the PON interface board on AC receives sends; PON interface board on AC is converted to Ethernet data message by the message receiving; The master control borad that PON interface board sends to the Ethernet data message after conversion on AC carries out data processing.
Preferably, after the PON interface board on AC receives the message of the AP transmission of supporting PON technical interface, said method also comprises: the standby wireless controller being connected with wireless controller backs up the message of primary AC.
Preferably, the time interval that standby wireless controller backs up message is less than or equal to 100ms.
In the present invention, integrated PON interface board on AC, make AC there is the ability of optical fiber [PON] access, make to support that the AP of PON technical interface can access AC, so that PON message is processed, thereby solved in prior art, in order to realize the access of PON technology, need the technical problem of a large amount of network equipments, reached the object of the complexity of simplified network networking, increase the range of application of WLAN (wireless local area network), saved a large amount of switch routing devices.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of preferred structure schematic diagram according to the wireless controller of the embodiment of the present invention;
Fig. 2 is according to a kind of preferred flow charts of the method for the PON accessing WLAN of the embodiment of the present invention;
Fig. 3 is according to the another kind of preferred flow charts of the method for the PON accessing WLAN of the embodiment of the present invention;
Fig. 4 is according to a kind of preferred structure schematic diagram of the upper integrated PON access interface of the AP of the embodiment of the present invention;
Fig. 5 realizes a kind of preferred structure schematic diagram of access by ONU according to the AP of the embodiment of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
The present embodiment provides a kind of wireless controller AC, as shown in Figure 1, comprise: master control borad, service processing board and first line of a couplet interface board, also comprise: one or more PON interface boards, be connected with described master control borad, for supporting the AP of PON technical interface to access described master control borad, wherein, different PON technology corresponding to PON interface board.
In this preferred implementation, integrated PON interface board on AC, make AC there is the ability of optical fiber PON access, make to support that the AP of PON technical interface can access AC, so that PON message is processed, thereby solved, in prior art, in order to realize the access of PON technology, need a large amount of network equipments, reached the object of the complexity of simplified network networking, increase the range of application of WLAN (wireless local area network), saved a large amount of switch routing devices.
In a preferred implementation, between the AP of described PON interface board and described support PON technical interface, adopt optical splitter to realize optical fiber and be connected.Preferably, the optical splitter that above-mentioned optical splitter is 2:N, a plurality of AP that are about to access assign in two light paths and process.
Consider that the data message that AP sends arrives after PON interface, may be sent to other PON interface, therefore, two layers of isolation features can be set on the PON of AC interface, thereby guarantee that the broadcasting packet that AP sends only can arrive master control borad or broadcast toward upper connective plate after PON interface, and can not arrive other PON interface.In a preferred implementation, on PON interface board, be provided with two layers of isolation features, for the data that the AP of described support PON technical interface is sent, be sent to described master control borad and/or described first line of a couplet interface board.
For above-mentioned PON technology include but not limited to following one of at least: EPON, GPON or 10GEPON.
New A C based on above-mentioned, the present embodiment also provides a kind of wireless local area network (WLAN) system, comprising: the AP of above-mentioned wireless controller, support PON technical interface.
In order to improve the fail safe of data, the increase stability of a system can arrange a standby wireless controller data message of receiving is backed up, in a preferred implementation, above-mentioned PON accessing WLAN system also comprises another wireless controller, wherein, this another wireless controller is connected with wireless controller, for backing up accessing the data that the AP of the support PON technical interface of described wireless controller sends, that is, standby AC backs up the data of primary AC.Preferably, adopt the mode of Hot Spare.
For the above-mentioned AP mentioning, can be in AP integrated ONU module, thereby make AP can directly access AC, or AP is directly by ONU equipment access PON interface board.That is, in AP side, can inherit the function of ONU, also can coordinate ONU to use together.In addition, because the perfect QOS technology of PON makes the rear application of the access meeting of the integrated PON of WLAN more extensive.
System based on above-mentioned, the present embodiment also provides a kind of method of PON accessing WLAN, as shown in Figure 2, comprises the following steps:
PON interface board on step S202:AC receives the message of the AP transmission of supporting PON technical interface;
PON interface board on step S204:AC is converted to Ethernet data message by the message receiving;
The master control borad that step S206:PON interface board sends to the Ethernet data message after conversion on AC carries out data processing.
In this preferred implementation, integrated PON interface board on AC, make AC there is the ability of optical fiber access, make to support that the AP of PON technical interface can access AC, so that PON message is processed, thereby solved, in prior art, in order to realize the access of PON technology, need a large amount of network equipments, reached the object of the complexity of simplified network networking, increase the range of application of WLAN (wireless local area network), saved a large amount of switch routing devices.
In order to improve the stability of system, after the PON interface board on AC receives the message of the AP transmission of supporting PON technical interface, said method also comprises: the standby wireless controller being connected with described wireless controller backs up described message.
The time interval of described message being backed up for above-mentioned standby wireless controller can be less than or equal to 100ms.
AC control system physical equipment in Fig. 1, mainly comprises PON interface board, master control borad, AC service processing board and first line of a couplet interface board etc.Wherein, the concrete function of each Physical board or module is as follows:
PON interface board: be responsible for access and process the access (being referred to as below AP) of the AP of ONU or support PON technical interface, authentication etc., be responsible for the message in light path to be extracted into Ethernet data message;
Master control borad: be in charge of each Physical board, data configuration, version management and process three layers of above protocol massages, such as: DHCP message, message identifying etc. (except CAPWAP message);
AC service processing board: process CAPWAP protocol massages.
First line of a couplet interface board: the interface of first line of a couplet data network.
Preferably, above-mentioned master control borad is controlled the operation of other each veneer, and and other veneer between have certain bi-directional data interface bandwidth.
The flow process of carrying out the processing of AP accessing WLAN by above-mentioned novel AC, as shown in Figure 3, comprising:
The upper PON interface board of S302:AC is received the registration message of sending from AP, and registration message is carried out to authentication, after AP or ONU succeed in registration, and AC down distributing configuration data.
S304:ONU or AP, after getting data configuration, carry out the registration of CAPWAP message.
First, AP sends DHCP message, and this message message changes into Ethernet data message after PON interface board, and being sent to master control borad, master control borad carries out the distribution of dhcp address, or is forwarded to upper united mouth, by external equipment, carry out address assignment, be this AP and distribute the Yi Ge network address.
S306:AP is after obtaining address, the message of initiating CAPWAP is registered to AC, data message is delivered to and is changed into Ethernet message after PON interface board and deliver to master control borad, master control borad judgement is CAPWAP protocol massages, deliver to AC business version and process, the former road of protocol massages after processing turns back to master control borad, PON interface board, AP.
After S308:AP succeeds in registration, STA(terminal under AP) user sends data to after AP, be packaged into CAPWAP data message, and this data message is delivered to AC PON interface board, by AC PON interface board, forward data message to master control borad, master control borad judges whether message is CAPWAP tunnel message, if, delivering to AC business version processes, after AC business version is processed, peel CAPWAP tunnel heading off, become common IP message and deliver to master control borad, master control borad is delivered to upper connective plate according to MAC address learning message and is forwarded.
Just in time contrary with above-mentioned flow process for the data message flow process of returning from AC upper connective plate, do not repeat them here.
Preferably, can integrated PON access interface on above-mentioned AP, as shown in Figure 4, be exactly the upper integrated PON access interface of AP, this AP can directly access PON interface board; Or
As shown in Figure 5, not integrated on AP, AP can access PON interface board by common ONU equipment, and AP can realize access by the ONU of common support POE equipment.
On the PON of AC interface board, can support by exchange chip the function of QINQ.
For AC control appliance, can adopt the mode of Hot Spare to increase the stability of a system.Preferably, between AC, can enable the backup of VRRP agreement, for the data between synchronous active and standby AC.The data of AC are divided into two parts: PON interface data and other configuration data.Wherein, PON interface data can adopt the mode of backing up in realtime, and data backup interval default setting is less than 100ms.The backup interval that other data of AC can arrange can be more greatly, such as 1S.AP is connected and can adopts the optical splitter of 1:N and/or the optical splitter of 2:N with optical fiber between AC.
Preferably, on the PON of AC interface, can open two layers of isolation features, to guarantee that the broadcasting packet that AP sends only can arrive master control borad or broadcast toward upper connective plate after PON interface, and can be toward other PON mouth broadcast.
In above-mentioned each preferred implementation, the upper integrated PON interface board of AC, can support the PON technology such as EPON, GPON or 10GEPON.
In another embodiment, also provide a kind of software, the technical scheme that this software is described for carrying out above-described embodiment and preferred implementation.
In another embodiment, also provide a kind of storage medium, stored above-mentioned software in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
As can be seen from the above description, the present invention has realized following technique effect:
Integrated PON interface board on AC, make AC there is the ability of optical fiber PON access, make to support that the AP of PON technical interface can access AC, so that PON message is processed, thereby solved and in order to realize the access of PON technology, needed a large amount of network equipments in prior art, reach the object of the complexity of simplified network networking, increased the range of application of WLAN (wireless local area network), saved a large amount of switch routing devices.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a wireless controller AC, comprising: master control borad, service processing board and first line of a couplet interface board, it is characterized in that, and also comprise:
One or more PON interface boards, are connected with described master control borad, for supporting the AP of PON technical interface to access described master control borad, wherein, different PON technology corresponding to PON interface board.
2. wireless controller according to claim 1, is characterized in that, adopts optical splitter to realize optical fiber and be connected between the AP of described PON interface board and described support PON technical interface.
3. wireless controller according to claim 2, is characterized in that, the optical splitter that described optical splitter is 1:N and/or the optical splitter of 2:N.
4. wireless controller according to claim 1, is characterized in that, is provided with two layers of isolation features on described PON interface board, for the data that the AP of described support PON technical interface is sent, is sent to described master control borad and/or described first line of a couplet interface board.
5. according to the wireless controller described in any one in claim 1-4, it is characterized in that, it is one of following that described PON technology comprises: EPON, GPON or 10GEPON.
6. a wireless local area network (WLAN) system, comprising: the AP of the wireless controller in claim 1-5 described in any one, support PON technical interface.
7. system according to claim 6, it is characterized in that, also comprise another wireless controller, wherein, described another wireless controller is connected with described wireless controller, for carrying out Hot Spare to accessing the data that the AP of the support PON technical interface of described wireless controller sends.
8. according to the system described in claim 6 or 7, it is characterized in that, in the AP of described support PON technical interface, be provided with ONU functional module, or be provided with ONU interface in the AP of described support PON technical interface, the AP of described support PON technical interface accesses described PON interface board by ONU.
9. the wireless local area network (WLAN) system based on any one in the claims 6-8 carries out a method for wireless access, it is characterized in that, comprising:
The message that the AP that PON interface board on AC receives sends;
PON interface board on described AC is converted to Ethernet data message by the described message receiving;
The master control borad that described PON interface board sends to the Ethernet data message after conversion on described AC carries out data processing.
10. method according to claim 9, is characterized in that, after the PON interface board on AC receives the message of the AP transmission of supporting PON technical interface, described method also comprises:
The standby wireless controller being connected with described wireless controller backs up the described message of primary AC.
11. methods according to claim 10, is characterized in that, the time interval that described standby wireless controller backs up described message is less than or equal to 100ms.
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| WO2016045638A1 (en) * | 2014-09-26 | 2016-03-31 | Hangzhou H3C Technologies Co., Ltd. | Wireless access |
| CN105471768A (en) * | 2014-08-26 | 2016-04-06 | 华为技术有限公司 | CAPWAP message transmission method and network switch |
| CN107547444A (en) * | 2017-07-31 | 2018-01-05 | 新华三技术有限公司 | A kind of flow statistical method and switching equipment |
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