CN103986692B - Data forwarding method and system based on wireless access point - Google Patents
Data forwarding method and system based on wireless access point Download PDFInfo
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- CN103986692B CN103986692B CN201410155135.5A CN201410155135A CN103986692B CN 103986692 B CN103986692 B CN 103986692B CN 201410155135 A CN201410155135 A CN 201410155135A CN 103986692 B CN103986692 B CN 103986692B
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Abstract
The invention provides a data forwarding method based on a wireless access point. The data forwarding method comprises the steps that branch nodes receive uploaded service data, service processing is carried out on the service data, and the service data are sent to a root node, wherein service processing comprises at least one of authentication, filtering, encryption and network layer processing, or two-layer service processing or three-layer service processing; the root node receives the uploaded service data, the terminal type of the service data is obtained, whether the terminal type is the wireless access point or not is judged, and the service data are forwarded if the terminal type is the wireless access point; if the terminal type is not the wireless access point, the root node carries out service processing on the uploaded service data, and the step of forwarding the service data is executed. In addition, the invention provides a data forwarding system based on the wireless access point. According to the data forwarding method and system based on the wireless access point, calculation tasks can be distributed more evenly.
Description
Technical field
The present invention relates to networking technology area, more particularly to a kind of data forwarding method based on WAP and it is
System.
Background technology
WAP, i.e. wireless access node (Access Point), equivalent to a connection wired network and wireless network
Bridge, its Main Function is to connect together each wireless network clients, then by wireless network access network based on ethernet.
Existing multistage wireless accesses dot system, and (such as WDS, Wireless Distribution System wirelessly divide
Cloth system) in, user terminal is accessed by branch node, and branch node is not processed to the data that user terminal is transmitted, only
Root node is only transferred it to, the business data processing such as is authenticated, filters or encrypts to it by the wireless aps of root node.Also
It is to say, branch node just corresponds to the trunking of the wireless signal of root node.So that when branch node is more, root node is needed
Calculating process carried out to the business datum of all branch nodes forwarding, and the processing business data of the wireless AP devices of root node
Computing capability it is often limited, exist at root node performance bottleneck so as to cause, cause the distribution of calculating task unbalanced.
The content of the invention
Based on this, it is necessary to provide a kind of data forwarding based on WAP that can balancedly distribute calculating task
Method.
A kind of data forwarding method based on WAP, including：
Branch node receives the business datum for uploading, and it is carried out to send it to root node, the industry after Business Processing
Business processes at least one included in certification, filtration, encryption, network layer handles, the process of two layer services or the process of three layer services；
The root node receives the business datum for uploading, and obtains the terminal type for uploading the business datum, judges described
Whether terminal type is WAP, if so, then forwards the business datum；Otherwise, the root node is to the upload
The step of business datum carries out Business Processing, execution forwarding service data.
Wherein in one embodiment, methods described also includes：
Branch node detects root node by sending management frame；
The root node for receiving the management frame can connection state information return branch's section by sending management frame
Point；
Branch node to receive can connection state information correspondence root node initiate connection request, build with the root node
Vertical connection.
Wherein in one embodiment, it is described can connection state information include connection number information；
The branch node to receive can connection state information correspondence root node initiate connection request the step of before
Also include：
The branch node obtain receive can the corresponding root node of connection state information node identification, and according to it
It is corresponding can connection state information the node identification is placed in priority query.
Wherein in one embodiment, the branch node can connection state information correspondence root node initiation to what is received
The step of connection request, also includes：
Node identification is chosen in the priority query, the corresponding root node of node identification of selection is obtained, to the root
Node initiates connection request.
Wherein in one embodiment, the step of business datum is sent to root node by the branch node after also wrap
Include：
The branch node judges whether the disconnecting with the root node, if so, then in the priority query
Node identification is chosen, the corresponding root node of node identification of selection is obtained, to the root node connection request is initiated.
Additionally, there is a need to providing a kind of data forwarding based on WAP that can balancedly distribute calculating task
System.
A kind of data forwarding system based on WAP, including branch node and root node, the branch node is used
In receive upload business datum, it is carried out to send it to root node after Business Processing, the Business Processing include certification,
At least one in filtration, encryption, network layer handles, the process of two layer services or the process of three layer services；
The root node is used to receive the business datum for uploading, and obtains the terminal type for uploading the business datum, judges
Whether the terminal type is WAP, if so, then forwards the business datum；Otherwise, the root node is on described
The business datum of biography carries out Business Processing, and forwarding service data.
Wherein in one embodiment, the branch node is additionally operable to detect root node by sending management frame；
Receive the management frame root node be additionally operable to by send management frame can connection state information return it is described
Branch node；
The branch node be additionally operable to receive can connection state information correspondence root node initiate connection request, with institute
State root node and set up connection.
Wherein in one embodiment, it is described can connection state information include connection number information；
The branch node be additionally operable to obtain receive can the corresponding root node of connection state information node identification, and
According to its it is corresponding can connection state information the node identification is placed in priority query.
Wherein in one embodiment, the branch node is additionally operable to choose node identification in the priority query,
The corresponding root node of node identification of selection is obtained, to the root node connection request is initiated.
Wherein in one embodiment, the branch node is additionally operable to judge whether the disconnecting with the root node,
If so, then in the priority query node identification is chosen, the corresponding root node of node identification of selection is obtained, to the root section
Point initiates connection request.
In above-mentioned data forwarding method and system based on WAP, branch node receives the business datum of upload
When, i.e., respective handling is carried out to business datum, it is subsequently forwarded to root node.Root node judge upload business datum equipment be
During branch node, business datum is not processed, but directly forward it to external network；And uploading business datum
When equipment is user terminal, just business datum is processed accordingly.Compared with conventional art so that access in multistage wireless
In the wireless distribution system that point is constituted, the equipment processed business datum is become multiple branches of subordinate by root node
Node, root node just corresponds to switch device for branch node, many so as to calculating task be balancedly assigned to
On individual branch node, execution efficiency is improve.
In addition, above-mentioned data forwarding method and system based on WAP is relative to conventional art, it is not necessary in advance
The annexation of branch node and root node is configured.The access of branch node and remove be capable of achieving flexibly connect automatically
Connect, without by carrying out loaded down with trivial details configuration modification, so as to improve the convenience of operation.
Description of the drawings
Fig. 1 is the flow chart of the data forwarding method in one embodiment based on WAP；
Fig. 2 is the structural representation of the data forwarding system in one embodiment based on WAP；
Fig. 3 is the flow chart of branch node and root node connection procedure in another embodiment.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
The description of specific distinct unless the context otherwise, the element and component in the present invention, quantity both can be with single shape
Formula is present, it is also possible in the form of multiple, and the present invention is not defined to this.Although the step in the present invention is entered with label
Arrangement is gone, but is not used to limit the precedence of step, unless expressly stated the order of step or holding for certain step
Row is needed based on other steps, and the relative rank of otherwise step is adjustable.It is appreciated that used herein
Term "and/or" is related to and covers one of associated Listed Items or one or more of any and all possible group
Close.
In one embodiment, as shown in figure 1, a kind of data forwarding method based on WAP, the method can be according to
Rely in computer program, can run on based on Feng Luoyiman systems radio access node distributed system as shown in Figure 2 it
On.
In fig. 2, branch node 10 and root node 20 are wireless access point device, and user terminal 30 can be user's visit
Ask the electronic equipments such as smart mobile phone, notebook computer, the panel computer of Web vector graphic.Wherein, root node 20 connects with external network
Connect, while internally building wireless sub network by wireless coverage.Branch node 10 is then by wireless channel and root section in subnet
Point 20 connects, and business datum can be sent to branch node 10 by user terminal, then be forwarded to root node 20 by branch node 10,
Finally external network is transferred it to by root node.
In the conventional technology, as shown in Fig. 2 branch node 10 receive user terminal 30 upload business datum after do not do
Any process, directly transfers it to root node 20, the operation such as is authenticated, encrypts and filters to it by root node 20.Also
It is to say, in the conventional technology, branch node 10 just corresponds to switch device, the whole wireless sub network that then it is covered of root node 20
Gateway device.This is allowed for as shown in Figure 2, when branch node 10 is more, all of process that business datum is carried out
It is required to be performed by root node 20, so as to cause the distribution of calculating task unbalanced.
And in the method, including：
Step S102, branch node receives the business datum for uploading, and it is carried out to send it to root section after Business Processing
Point, Business Processing includes at least in certification, filtration, encryption, network layer handles, the process of two layer services or the process of three layer services
Kind.Wherein two layer services and three layer services are OSI (Open System Interconnection, open system interconnection ginseng
Examine model.It is a definition in logic, a specification, it has logically been divided into 7 layers procotol.Each layer has phase
Pass, corresponding physical equipment, such as conventional router is three-layer switching equipment, and conventional switch is that Layer2 switching sets
It is standby.OSI seven layer models are a kind of methods for designing of framework, and the main purpose for setting up seven layer model is mutual to solve heterogeneous network
The compatibility issue run into when even, its topmost function is just to aid in different types of main frame and realizes data transfer.It
Great advantage is to make a distinction to service, interface and agreement these three definite conceptions, by the structural model of seven stratification
Making to realize reliable communication between the different network of different systems) data link layer service in network model (i.e. and exchanges
The related business of machine work) and transmission layer service (i.e. related to router work business), for example, dhcp message broadcastings turn list
Broadcast business etc..
Step S104, root node receives the business datum for uploading, and obtains the terminal type for uploading business datum, judges terminal
Whether type is WAP, if so, then forwarding service data；Otherwise, root node carries out business to the business datum for uploading
The step of process, execution forwarding service data.
That is, as in Fig. 2, user terminal 30 needs to be sent to the business datum of external network at branch node 10
Obtain final product process.
For example, if desired to user terminal, whether the authority with access external network is authenticated, then branch node 10
When the network access request of the upload of user terminal 30 is received, you can need the page of input online account number and password to its return
Face, user can be input into internet account and password and submit to branch node 10 by the webpage, and branch node then carries out school to it
Test, after verification success, you can the business datums such as the web access requests of the user terminal uploads are forwarded to into root node 20.Also
It is to say, branch node is equivalent to the gateway device of connected all user terminals.
Root node 20 can establish a connection with branch node 10 and user terminal, and root node 20 can be obtained in reception
The corresponding connection of business datum of biography, if this is connected as the connection with branch node, root node 20 is on the connection is received
The business datum of biography or by the connection issuing service data before, corresponding business datum is not processed.Namely
Say, root node 20 just corresponds to switch device for connected branch node.
And if the corresponding connection being connected as with user terminal of the business datum of the upload that root node is received, root node
The operation such as still the business datum is authenticated, encrypts or is filtered.That is, root node 20 is for connected user
Terminal is still equivalent to gateway device.
In another application scenarios, if desired external network is sent to user terminal business datum addition advertisement or
Filter out Pornograph therein, then branch node receive root node forwarding business datum after, i.e., in business datum
Insertion advertisement, or business datum is filtered, the Pornograph for wherein including is deleted, user terminal is then handed down to again.
In the present embodiment, branch node can be also connected by sending management frame and setting up with root node, its process such as Fig. 3 institutes
Show：
Step S202, branch node detects root node by sending management frame.
Step S204, the root node for receiving management frame can connection state information returning branch section by sending management frame
Point.
Step S206, branch node to receive can connection state information correspondence root node initiate connection request, with root
Node sets up connection.
For example, branch node can broadcast probe request to neighbouring all of root node, if root node allows to be somebody's turn to do
Branch node is connected thereto, you can return probe response to it, and branch node is received after the probe response
Connection request can be initiated to the root node, so as to set up connection.Probe request and probe response are wirelessly
Management frame defined in agreement.
If root node detect probe request signal strength signal intensity it is weaker or its own connection number it is more when, also may be used
Probe response are not returned, so as to prevent to set up more multi-link on root node.
Branch node is set up using aforesaid way and root node and is connected, with conventional art in by connecting in branch node
The mode for connecing configuration root node in root node allocation list is compared, and connected mode is more flexible, even if the root node event being pre-configured with
During barrier, branch node still can be attached by sending management frame with other root nodes.
In the present embodiment, further, can connection state information include connection number information；
Branch node to receive can connection state information correspondence root node initiate connection request the step of before also wrap
Include：
Branch node obtain receive can the corresponding root node of connection state information node identification, and according to its correspondence
Can connection state information the node identification is placed in priority query.
Further, branch node to receive can connection state information correspondence root node initiate connection request the step of
Also include：
Node identification is chosen in priority query, the corresponding root node of node identification of selection is obtained, to the root node
Initiate connection request.Preferably, branch node receive can connection state information when also detectable corresponding signal strength signal intensity, and tie
Close signal strength signal intensity and aforesaid connection number information generates Priority Queues.
For example, root node can be in the extended field vendor of the wireless protocols management frame of the probe response for returning
Its node identification and connection number information are added in spec.After branch node broadcast probe request, if receiving multiple sections
The probe response that point is returned, then extract the section included in the vendor spec fields in each probe response
Point identification and signal strength signal intensity when connecting number information and receiving each probe response, and according to the information connection of connection number
Count order from small to large and node identification is ranked up with reference to signal strength signal intensity when receiving each probe response,
Generate priority query.Branch node can extract in the priority query positioned at head of the queue connection number is less and signal strength signal intensity
Stronger node identification, to the corresponding root node of the node identification connection request is initiated.
If branch node to root node initiates connection request but connection failure, branch node can be in priority query
The next connection node identification that number is less and signal strength signal intensity is stronger is chosen, initiates to connect to the corresponding root node of the node identification
Connect request.
That is, in priority query, can be strong by signal strength signal intensity and connect the node mark of the less root node of number
Knowledge is placed in prostatitis, and the node identification of the root node that signal strength signal intensity is low or connection number is larger is placed in into rank rear.
Further, also include after the step of business datum is sent to root node by branch node：
Branch node judges whether the disconnecting with root node, if so, then chooses in priority query node identification,
The corresponding root node of node identification of selection is obtained, to the root node connection request is initiated.
If that is, branch node and root node disconnecting, branch node can again be selected in priority query
Take root node to be attached, that is, realize the function of the Auto-reconnect that goes offline.And the root node for reconnecting always connect number it is less or letter
Number preferable root node of intensity.
In one embodiment, as shown in Fig. 2 a kind of data forwarding system based on WAP, including branch's section
Point 10 and root node 20, wherein：
Branch node 10 is used to receive the business datum for uploading, and it is carried out to send it to root node after Business Processing,
Business Processing includes at least one in certification, filtration, encryption, network layer handles, the process of two layer services or the process of three layer services；
Root node 20 is used to receive the business datum for uploading, and obtains the terminal type for uploading business datum, judges terminal class
Whether type is WAP, if so, then forwarding service data；Otherwise, root node is carried out at business to the business datum for uploading
Reason, and forwarding service data.
In the present embodiment, branch node is additionally operable to detect root node by sending management frame；
Receive management frame root node be additionally operable to by send management frame can connection state information returning branch node；
Branch node be additionally operable to receive can connection state information correspondence root node initiate connection request, with root node
Set up connection.
In the present embodiment, can connection state information include connection number information；
Branch node be additionally operable to obtain receive can the corresponding root node of connection state information node identification, and according to
Its it is corresponding can connection state information the node identification is placed in priority query.
In the present embodiment, branch node is additionally operable to choose node identification in priority query, obtains the node of selection
Corresponding root node is identified, to the root node connection request is initiated.
In the present embodiment, branch node is additionally operable to judge whether the disconnecting with root node, if so, then in priority
Node identification is chosen in queue, the corresponding root node of node identification of selection is obtained, to the root node connection request is initiated.
In above-mentioned data forwarding method and system based on WAP, branch node receives the business datum of upload
When, i.e., respective handling is carried out to business datum, it is subsequently forwarded to root node.Root node judge upload business datum equipment be
During branch node, business datum is not processed, but directly forward it to external network；And uploading business datum
When equipment is user terminal, just business datum is processed accordingly.Compared with conventional art so that access in multistage wireless
In the wireless distribution system that point is constituted, the equipment processed business datum is become multiple branches of subordinate by root node
Node, root node just corresponds to switch device for branch node, many so as to calculating task be balancedly assigned to
On individual branch node, execution efficiency is improve.
In addition, above-mentioned data forwarding method and system based on WAP is relative to conventional art, it is not necessary in advance
The annexation of branch node and root node is configured.The access of branch node and remove be capable of achieving flexibly connect automatically
Connect, without by carrying out loaded down with trivial details configuration modification, so as to improve the convenience of operation.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of data forwarding method based on WAP, including：
Branch node receives the business datum for uploading, and it is carried out to send it to root node after Business Processing, at the business
Reason includes at least one in certification, filtration, encryption, network layer handles, the process of two layer services or the process of three layer services；
The root node receives the business datum for uploading, and obtains the terminal type for uploading the business datum, judges the terminal
Whether type is WAP, if so, then forwards the business datum；Otherwise, business of the root node to the upload
The step of data carry out Business Processing, execution forwarding service data.
2. the data forwarding method based on WAP according to claim 1, it is characterised in that methods described is also wrapped
Include：
Branch node detects root node by sending management frame；
The root node for receiving the management frame can the connection state information return branch node by sending management frame；
Branch node to receive can connection state information correspondence root node initiate connection request, with the root node set up connect
Connect.
3. the data forwarding method based on WAP according to claim 2, it is characterised in that described to connect shape
State information includes connection number information；
The branch node to receive can connection state information correspondence root node initiate connection request the step of before also wrap
Include：
The branch node obtain receive can the corresponding root node of connection state information node identification, and according to its correspondence
Can connection state information the node identification is placed in priority query.
4. the data forwarding method based on WAP according to claim 3, it is characterised in that the branch node
Can also include the step of connection state information correspondence root node initiation connection request to what is received：
Node identification is chosen in the priority query, the corresponding root node of node identification of selection is obtained, to the root node
Initiate connection request.
5. the data forwarding method based on WAP according to claim 3, it is characterised in that the branch node
Also include after the step of business datum is sent to into root node：
The branch node judges whether the disconnecting with the root node, if so, the then selection in the priority query
Node identification, obtains the corresponding root node of node identification of selection, and to the root node connection request is initiated.
6. a kind of data forwarding system based on WAP, including branch node and root node, it is characterised in that described point
Zhi Jiedian is used to receive the business datum for uploading, and it is carried out to send it to root node, the Business Processing after Business Processing
At least one in processing including certification, filtration, encryption, the process of Internet, the process of two layer services or three layer services；
The root node is used to receive the business datum for uploading, and obtains the terminal type for uploading the business datum, judges described
Whether terminal type is WAP, if so, then forwards the business datum；Otherwise, the root node is to the upload
Business datum carries out Business Processing, and forwarding service data.
7. the data forwarding system based on WAP according to claim 6, it is characterised in that the branch node
It is additionally operable to detect root node by sending management frame；
Receive the management frame root node be additionally operable to by send management frame can connection state information return the branch
Node；
The branch node be additionally operable to receive can connection state information correspondence root node initiate connection request, with described
Node sets up connection.
8. the data forwarding system based on WAP according to claim 7, it is characterised in that described to connect shape
State information includes connection number information；
The branch node be additionally operable to obtain receive can the corresponding root node of connection state information node identification, and according to
Its it is corresponding can connection state information the node identification is placed in priority query.
9. the data forwarding system based on WAP according to claim 8, it is characterised in that the branch node
It is additionally operable to choose node identification in the priority query, the corresponding root node of node identification of selection is obtained, to the root section
Point initiates connection request.
10. the data forwarding system based on WAP according to claim 8, it is characterised in that branch's section
Point is additionally operable to judge whether the disconnecting with the root node, if so, then chooses in the priority query node identification,
The corresponding root node of node identification of selection is obtained, to the root node connection request is initiated.
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| CN105915542A (en) * | 2016-06-08 | 2016-08-31 | 惠众商务顾问（北京）有限公司 | Distributed cloud authentication system based on random instruction, apparatus and method thereof |
| CN108055679B (en) | 2018-01-26 | 2020-11-13 | 乐鑫信息科技（上海）股份有限公司 | Mesh network flow control method |
| CN109451510A (en) * | 2018-09-14 | 2019-03-08 | 珠海格力电器股份有限公司 | Wireless self-networking method, air-conditioning system and computer readable storage medium |
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| CN1426201A (en) * | 2002-12-16 | 2003-06-25 | 北京朗通环球科技有限公司 | Method for realizing access controller function on radio access point |
| JP2007158896A (en) * | 2005-12-07 | 2007-06-21 | Nec Access Technica Ltd | Wireless lan data communication system, wireless access point, wireless lan data communication method and program therefor |
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| CN102281594A (en) * | 2011-09-06 | 2011-12-14 | 华为技术有限公司 | Message forwarding method, wireless access point (AP) and message forwarding system |
| CN102474508A (en) * | 2009-10-20 | 2012-05-23 | 阿瓦雅公司 | Hierarchal Structuring Of Nodes In A Peer-To-Peer Network |
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| JP2006319676A (en) * | 2005-05-12 | 2006-11-24 | Oki Electric Ind Co Ltd | Frame transmitting method, topology acquiring method and radio communication system |
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| CN1426201A (en) * | 2002-12-16 | 2003-06-25 | 北京朗通环球科技有限公司 | Method for realizing access controller function on radio access point |
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| CN201207659Y (en) * | 2008-01-18 | 2009-03-11 | 深圳市格林威视科技开发有限公司 | Wireless access point and constructed MESH network |
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| CN102281594A (en) * | 2011-09-06 | 2011-12-14 | 华为技术有限公司 | Message forwarding method, wireless access point (AP) and message forwarding system |
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