CN107071825A - A kind of wireless mesh network message interaction method and system - Google Patents
A kind of wireless mesh network message interaction method and system Download PDFInfo
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- CN107071825A CN107071825A CN201710075906.3A CN201710075906A CN107071825A CN 107071825 A CN107071825 A CN 107071825A CN 201710075906 A CN201710075906 A CN 201710075906A CN 107071825 A CN107071825 A CN 107071825A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/021—Traffic management, e.g. flow control or congestion control in wireless networks with changing topologies, e.g. ad-hoc networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
- H04W74/0825—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
This application discloses a kind of wireless mesh network message interaction method, including：The first message that the second equipment is sent is received using first port；Whether fisrt feature amount is preserved in judging characteristic storehouse, if so, then forbidding the first message to be sent by second port to the second equipment；If it is not, then whether preserving second feature amount in judging characteristic storehouse；If so, then the first message is forwarded by first port or second port；If it is not, the characteristic quantity of first equipment then to be saved as to the fisrt feature amount of the first message, the second message is obtained, and the second message is forwarded by first port or second port.It can be seen that, the application utilizes the characteristic quantity in message, when judging equipment room to be wired direct-connected, then forbid message to repeat to send in equipment room, cut off the premise of loop formation, solved the problems, such as network loopback, at the same time it can also reduce the probability of happening that CSMA/CD conflicts are retransmitted in wireless network.In addition, disclosed herein as well is a kind of the first message interaction of wireless mesh network system.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of wireless mesh network message interaction method and system.
Background technology
With the development of society, simple cable network or wireless network, it is difficult to meet all application scenarios, therefore, have
Gauze network and wireless network Hybrid connections, are collectively forming mesh network architecture, form wireless mesh network.
Wireless mesh network is also referred to as " multi-hop " network, using acentric wireless self-organization network framework, be it is a kind of with
Tradition has the entirely different new wireless networks technology of the wireless network at center.
In the application process of Wireless Mesh (wireless mesh network) self-organizing network system, by by arbitrary equipment section in system
Carry out wired direct-connected between point, form wired, wireless Hybrid connections, it is possible to achieve covering experiencing radio shadow, solve Wireless Mesh
The problem of decay of multi-hop link handling capacity is serious in self-organizing network system, but often bring another problem --- network loopback.
If not solving the problems, such as network loopback, the message of broadcast first in network, into loop after just constantly recursive copying, forwarding, wide
Broadcast, it is impossible to terminate, if not being directed to the solution of network loop, accumulate over time, will be full of countless in a network
The packet that can not reach purpose network cause network broadcasting windstorm, cause network paralysis；And loop can produce MAC
(Multiple Access Channel, multiple access access channel) address drift, causes network interruption, because Wireless Mesh is from group
Device node in net system has learning functionality, as long as the device node in network sends the first message of broadcast, MAC Address is all
It can be learned in the port that there is network loop.The mac address table of mistake, can directly contribute network interruption.
As shown in figure 1, equipment N1 receives first message of broadcast from L1 mouthfuls, enter Wireless Mesh network by W1 mouthfuls
Network, is transmitted by wireless Mesh netword, and the message of broadcast first is transmitted to L2 by equipment N2 from W2 mouthfuls of receptions, if now loop free
Avoidance mechanism, then this first message of broadcast equipment N1 L1 mouths, formation loop will be sent to from L2 mouthful.
The content of the invention
In view of this, it is an object of the invention to provide a kind of wireless mesh network message interaction method, solve wireless
There are problems that network loopback during wired+wireless mixed connection topological structure in Mesh self-organizing network systems, meanwhile, reduce for without tape
CSMA/CD (Carrier Sense Multiple Access with Collision in wide occupancy, reduction wireless network
Detection, csma/cd) conflict the probability of happening retransmitted, gulped down so as to improve Mesh network
The amount of telling.Its concrete scheme is as follows：
A kind of wireless mesh network message interaction method, applied to the first equipment, including：
The first message that the second equipment is sent is received using first port；
Whether fisrt feature amount in first message is preserved in judging characteristic storehouse；
If so, then forbidding first message to be sent by second port to second equipment；
If it is not, then judging the second feature amount in first message whether is preserved in the feature database；
If so, then first message is forwarded by the first port or the second port；
If it is not, the characteristic quantity of first equipment then to be saved as to the fisrt feature amount of first message, obtain
Second message, and second message is forwarded by the first port or the second port；
Wherein, the first port is different from the second port type.
It is preferred that, in addition to：Periodically the feature database is safeguarded, deletion does not receive corresponding in the given time
The failure characteristics amount of ANNOUNCE messages.
It is preferred that, it is described to forward first message by the first port or the second port, including：
First message is forwarded by LAN port.
It is preferred that, the feature database generating process, including：
The history ANNOUNCE messages that receiving device is sent by LAN port；
Characteristic quantity is extracted from the history ANNOUNCE messages；
The characteristic quantity is preserved, the feature database is obtained.
The invention also discloses a kind of the first message interaction of wireless mesh network system, applied to the first equipment, including：
Receiving module, for receiving the first message that the second equipment is sent using first port；
First judge module, for whether preserving the fisrt feature amount in first message in judging characteristic storehouse；
Disabled module, for judging to preserve the fisrt feature amount in the feature database when first judge module,
First message is then forbidden to be sent by second port to second equipment；
Second judge module, for judging not preserving first spy in the feature database when first judge module
The amount of levying, then judge the second feature amount in first message whether is preserved in the feature database；
First forwarding module, for judging to preserve the second feature in the feature database when first judge module
Amount, then forwarded first message by the first port or the second port；
Second forwarding module, for judging not preserving second spy in the feature database when first judge module
The amount of levying, then save as the fisrt feature amount of first message by the characteristic quantity of first equipment, obtain the second message,
And forward second message by the first port or the second port；
Wherein, the first port is different from the second port type.
It is preferred that, in addition to：
Maintenance module, for periodically being safeguarded to the feature database, deletion does not receive corresponding in the given time
The failure characteristics amount of ANNOUNCE messages.
It is preferred that, first forwarding module, specifically for first message is forwarded by LAN port.
It is preferred that, first judge module, including：
Receiving unit, the history ANNOUNCE messages sent for receiving device by LAN port；
Extraction unit, for extracting characteristic quantity from the history ANNOUNCE messages；
Feature database generation unit, for the characteristic quantity to be preserved, obtains the feature database.
In the present invention, the message interaction method of wireless mesh network first, including：The second equipment hair is received using first port
The first message sent；Whether fisrt feature amount in first message is preserved in judging characteristic storehouse, if so, then forbidding the first message
Sent by second port to the second equipment；If it is not, then whether preserving the second feature in the first message in judging characteristic storehouse
Amount；If so, then the first message is forwarded by first port or second port；If it is not, then the characteristic quantity of the first equipment is preserved
For the fisrt feature amount of the first message, the second message is obtained, and the second message is forwarded by first port or second port；Its
In, first port is different from second port type.It can be seen that, the first equipment is receiving the first of the transmission of the second equipment in the present invention
During message, extracted from the first message whether special comprising first in fisrt feature amount and second feature amount, and judging characteristic storehouse
The amount of levying, judges whether the second equipment is wired direct-connected with the first equipment with this, if so, then forbidding the first message to be sent out by second port
The second equipment is delivered to, if it is not, then whether preserve second feature amount in judging characteristic storehouse, judges whether to need to first with this
The wired direct-connected message of device forwards first of equipment, if so, then forward the first message by first port or second port, if
It is no, then the characteristic quantity of the first equipment is saved as to the fisrt feature amount of the first message, the second message is obtained, and the second message is led to
First port or second port forwarding are crossed, is ensured with this when the 3rd equipment receives the second message, whether can interpolate that the first equipment
With the wired direct-connected company of the 3rd equipment, by the judgement of two kinds of situations, the premise of loop formation has been cut off, Wireless Mesh has been solved certainly
There are problems that network loopback during wired+wireless mixed connection topological structure in group network system, at the same time it can also reduce for without tape
The probability of happening that CSMA/CD conflicts are retransmitted in wide occupancy, reduction wireless network, so as to improve Mesh network handling capacity.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of network loop schematic diagram in the prior art；
Fig. 2 is a kind of wireless mesh network message interaction method schematic flow sheet provided in an embodiment of the present invention；
Fig. 3 is another wireless mesh network message interaction method schematic flow sheet provided in an embodiment of the present invention；
Fig. 4 is a kind of the first message interaction of wireless mesh network system structure diagram provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of wireless mesh network message interaction method, applied to the first equipment, referring to Fig. 2
Shown, this method includes：
Step S11：The first message that the second equipment is sent is received using first port.
Specifically, current device receives the first message that the second equipment is sent as the first equipment using first port, the
Two equipment can be transmitted by LAN (Local Area Network, LAN) mouth, can also pass through WLAN
(Wireless Local Area Networks, WLAN) mouth is transmitted, and the first port of the first equipment also may be used
Think LAN mouthfuls or WLAN mouthfuls, the transmission mouth of the second equipment is identical with the receiving port type of the first equipment.
It is understood that first port is different all the time from second port type, for example, being not in that first port is
LAN mouthfuls, second port is also LAN mouthfuls of situation, it may appear that first port is LAN mouthfuls, and second port is WLAN mouthfuls of situation；The
Two equipment are to send equipment, and the first equipment is receiving device.
Step S12：Whether fisrt feature amount in first message is preserved in judging characteristic storehouse.
It should be noted that in actual applications, the equipment in networking is attached by wireless network, still,
Under some applicable cases, equipment room wireless network signal is poor or data exchange amount is big, and simple wireless connection is difficult to meet need
Ask, for example, in skyscraper, every 3 Layer assignment, one equipment, because some reasons between 6 layers and 9 layers, wireless signal is strong
Degree is inadequate, and data are difficult to interact between making two layers of equipment, therefore, by netting twine that two equipment are wired direct-connected.
It is understood that being extracted before fisrt feature amount is judged, it is necessary to from the first message, it can be reported receiving first
With regard to being extracted after text, it can also be extracted before judgement；Due to including fisrt feature amount in itself in the first message, because
This, need to only extract fisrt feature amount for follow-up judgement, without changing in itself to the first message from the first message
Enter.
Wherein, second feature amount can the MAC for the purpose of, certain second feature amount can also can show that the first report for other
The characteristic information of literary purpose equipment, is not limited thereto.
Specifically, in order to prevent from producing loop between the equipment of more than one link connections, utilizing the fisrt feature of extraction
Amount is judged that the first equipment judges fisrt feature amount whether is preserved in unique characteristics storehouse, if preserving fisrt feature amount,
Then illustrate not only there is wireless connection between the second equipment and the first equipment, meanwhile, it also remain wired direct-connected；If do not preserved,
Then illustrate not keeping wired direct-connected between the second equipment and the first equipment.
Step S13：If so, then forbidding the first message to be sent by second port to the second equipment.
Specifically, when judging to preserve fisrt feature amount in the first equipment judgement unique characteristics storehouse, then needing to forbid first
The second port of equipment, i.e., the port for the first message that non-reception second equipment is sent, prevents the first message by first with this
Port enters the first equipment, and the second equipment formation loop is forwarded to further through second port.
Step S14：If it is not, then whether preserving the second feature amount in the first message in judging characteristic storehouse.
It is understood that being extracted before second feature amount is judged, it is necessary to from the first message, it can be reported receiving first
With regard to being extracted after text, it can also be extracted before judgement；Due to including second feature amount in itself in the first message, because
This, need to only extract second feature amount for follow-up judgement, without changing in itself to the first message from the first message
Enter.
Wherein, fisrt feature amount can be transmitting terminal MAC (Multiple Access Channel, multiple access access channel),
Certain fisrt feature amount can also can show that the characteristic information of the first message source device for other, be not limited thereto.
Specifically, if it is not, then illustrating only have radio connection between the second equipment and the first equipment, therefore, first reports
Fisrt feature amount in text fails to be stored in by ANNOUNCE messages in the feature database of the first equipment, but mixed in order to prevent
First message is sent to the equipment in mixed networking by the equipment outside charge-coupled net, and first message is also needed to by mixed networking
In another equipment of the device forwards into networking, if so only judge fisrt feature amount, the equipment in networking can be caused
Receive after the first message, it will the first message is continued to forward, another equipment in networking is received after the first message, by non-
First message is transmitted to transmission equipment by receiving port, so as to form loop.
Step S15：If so, then the first message is forwarded by first port or second port.
Specifically, when preserving second feature amount in judging characteristic storehouse, then showing the purpose equipment and the first equipment of message
It is wired direct-connected, therefore a port can only be selected to E-Packet to purpose equipment, loop is prevented with this.
Step S16：If it is not, the characteristic quantity of the first equipment then to be saved as to the fisrt feature amount of the first message, second is obtained
Message, and the second message is forwarded by first port or second port.
Specifically, when not preserving second feature amount in judging characteristic storehouse, then illustration purpose equipment is non-straight attached device, by
In now, it is impossible to which the fisrt feature amount in the first message and second feature amount are judged, if the first message is directly forwarded
, may be between the first equipment and the 3rd equipment if the 3rd equipment is the equipment direct-connected with the first equipment during to three equipment
Loop is caused, accordingly, it would be desirable to which the characteristic quantity of the first equipment itself replaces original fisrt feature amount in the first message, second is obtained
Message, then the second message is forwarded by first port or second port, accordingly even when being forwarded to wired direct-connected with the first equipment
Three equipment when, the 3rd equipment can by the fisrt feature amount in the second message, identify the second message send from and itself
Wired direct-connected equipment, therefore, will not produce loop.
It can be seen that, the first equipment is when receiving the first message of the second equipment transmission in the embodiment of the present invention, from the first report
Extracted in text in fisrt feature amount and second feature amount, and judging characteristic storehouse and whether to include fisrt feature amount, the is judged with this
Whether two equipment are wired direct-connected with the first equipment, if so, then forbid the first message to be sent by second port to the second equipment, if
It is no, then second feature amount whether is preserved in judging characteristic storehouse, judge whether to need to wired direct-connected with the first equipment with this
The message of device forwards first, if so, then forwarding the first message by first port or second port, if it is not, then being set first
Standby characteristic quantity saves as the fisrt feature amount of the first message, obtains the second message, and by the second message by first port or
Second port is forwarded, and is ensured with this, when the 3rd equipment receives the second message, can interpolate that whether the first equipment has with the 3rd equipment
Line is direct-connected, by the judgement of two kinds of situations, has cut off the premise of loop formation, has solved and exist in Wireless Mesh self-organizing network system
Network loopback problem during wired+wireless mixed connection topological structure, at the same time it can also reduce the occupancy for wireless bandwidth, reduction
The probability of happening that CSMA/CD conflicts are retransmitted in wireless network, so as to improve Mesh network handling capacity.
Reported it should be noted that feature database generating process is the history ANNOUNCE that receiving device is sent by LAN port
Text；Characteristic quantity is extracted from history ANNOUNCE messages；Characteristic quantity is preserved, feature database is obtained.
Specifically, periodically being broadcasted by the LAN port of each equipment in Wireless Mesh self-organizing network system
ANNOUNCE messages, for example, every ten minutes LAN port broadcast an ANNOUNCE message, you can realize when each equipment it
Between it is wired direct-connected when can receive the ANNOUNCE messages of other side, ANNOUNCE can be avoided to broadcast the first message again and enter wireless
Mesh network causes broadcast storm；Equipment is received after the ANNOUNCE messages of other equipment broadcast, therefrom extracts fisrt feature
Amount；Fisrt feature amount is preserved, feature database is obtained.
For example, the second equipment periodically broadcasts the first ANNOUNCE messages by LAN port, the first equipment is set with second
Have line direct-connected, the first equipment periodically broadcasts the 2nd ANNOUNCE messages also by LAN port, the first equipment receives second
First ANNOUNCE messages of device broadcasts, fisrt feature amount is extracted from the first ANNOUNCE messages, fisrt feature amount is entered
Row is preserved, and obtains feature database, the second equipment is received after the 2nd ANNOUNCE messages of the first device broadcasts, is set with above-mentioned first
The process of standby generation feature database is consistent.
Set it should be noted that the fisrt feature amount extracted from ANNOUNCE messages, i.e. ANNOUNCE messages are sent
Standby characteristic quantity, therefore, no matter the characteristic quantity of the transmission equipment in the first message as fisrt feature amount or second feature amount,
Whether can be preserved in judging characteristic storehouse, be not in the transmission equipment characteristic quantity in the first message as second feature amount
That is the characteristic quantity of purpose equipment and situation about can not judge.
Wherein, ANNOUNCE messages are (ARP, the Address Resolution according to ARP the first message standard formulations
Protocol, address resolution protocol), the transmitting terminal IP of ANNOUNCE messages, purpose IP fields are entered as 0.0.0.0, utilize
0.0.0.0 the characteristics of being non-standard network appliance IP, identifies that first message is the non-standard messages of ARP first, will not trigger
The automatic-answering back device mechanism of ARP protocol, therefore, when equipment receives ANNOUNCE messages, will not carry out forwarding operation, and pass through
Fisrt feature amount and second feature amount are added in ANNOUNCE messages, equipment can be identified further using characteristic quantity field
First message is ANNOUNCE messages.
It is understood that the first equipment, the second equipment and the 3rd equipment are that same type is set in the embodiment of the present invention
It is standby, as purpose equipment or equipment can be sent during wireless mesh network message interaction.
The embodiment of the invention discloses a kind of specific wireless mesh network message interaction method, applied to the first equipment,
Relative to a upper embodiment, the present embodiment has made further instruction and optimization to technical scheme.It is shown in Figure 3, specifically：
Step S21：The first message that the second equipment is sent is received using WLAN ports.
It is understood that the first message that the second equipment is sent can be received by WLAN ports, LAN can also be passed through
Port receives the first message that the second equipment is sent, and does not limit herein.
Step S22：Whether fisrt feature amount in first message is preserved in judging characteristic storehouse.
Step S23：If so, then forbidding the first message to be sent by LAN port to the second equipment.
Specifically, because receiving port is WLAN ports, the feelings of fisrt feature amount are preserved in feature database is judged
Under condition, in order to prevent loop, forbid LAN port broadcast of first message Jing Guo the first equipment, if receiving port is LAN
Port, then forbid WLAN port broadcast of first message Jing Guo the first equipment accordingly.
Step S24：If it is not, then whether preserving the second feature amount in the first message in judging characteristic storehouse.
Step S25：If so, then the first message is forwarded by LAN port.
Specifically, when needing forwarding, can be forwarded, be reduced with this for WiMAX by LAN port with prioritizing selection
Occupancy, reduction wireless network in CSMA/CD conflict retransmit probability of happening, so as to improve Mesh network handling capacity, certainly, root
According to practical application request, it can also be forwarded, not limited herein by WLAN mouthfuls.
Step S26：If it is not, the characteristic quantity of the first equipment then to be saved as to the fisrt feature amount of the first message, second is obtained
Message, and the second message is forwarded by LAN port or WLAN ports.
It should be noted that the addition of equipment or exit happens occasionally in wireless mesh network networking, accordingly, it would be desirable in time
Update the content in feature database, it is to avoid unnecessary mistake occur, periodically feature database can be safeguarded, delete in pre- timing
In do not receive the failure characteristics amounts of corresponding ANNOUNCE messages, when an equipment exits networking, remaining equipment in networking
The ANNOUNCE messages for exiting device broadcasts will not be received again, so the broadcast cycle more than ANNOUNCE messages is not received yet
To the first message, then illustrate that corresponding equipment has dropped out the corresponding characteristic quantity preserved in networking, feature database special to be changed into failure
The amount of levying, can be deleted, certainly, and after having new equipment to add networking, feature database is by the spy in new ANNOUNCE messages
The amount of levying is preserved accordingly, to ensure that equipment can make corresponding judgement.
For example, setting every 5 minutes is a cycle feature database to be safeguarded, checks and do not received in 5 minutes in feature database
The characteristic quantity of corresponding ANNOUNCE messages, carries out delete processing using such characteristic quantity as failure characteristics amount after finding, works as spy
Levy storehouse and receive the characteristic quantity extracted from ANNOUNCE messages, judge whether to be stored in feature database, if being not held in spy
Levy in storehouse, then preserved characteristic quantity.
It is understood that feature database can be designed as BBT data structures, (BBT, Balanced Binary Tree are put down
Weighing apparatus binary tree), characteristic quantity is preserved with BBT sheet forms, it is of course also possible to use other data structures, are not limited herein.
Accordingly, the embodiment of the invention also discloses a kind of wireless mesh network message interaction system, set applied to first
Standby, shown in Figure 4, the system includes：
Receiving module 11, for receiving the first message that the second equipment is sent using first port；
Extraction module 12, for extracting the fisrt feature amount in the first message；
First judge module 13, for whether preserving fisrt feature amount in judging characteristic storehouse；
Disabled module, for judging to preserve fisrt feature amount in feature database when the first judge module 13, then forbids first
Message is sent to the second equipment by second port；
Second judge module 14, for judging not preserving fisrt feature amount in feature database when the first judge module 13, then
Whether second feature amount is preserved in judging characteristic storehouse；
First forwarding module 15, for judging to preserve second feature amount in feature database when the first judge module 13, then will
First message is forwarded by first port or second port；
Second forwarding module 16, for judging not preserving second feature amount in feature database when the first judge module 13, then
The characteristic quantity of first equipment is saved as to the fisrt feature amount of the first message, the second message is obtained, and the second message is passed through
Single port or second port forwarding；
Wherein, first port is different from second port type.
In addition, above-mentioned first judge module 13, can include receiving unit, extraction unit and feature database generation unit；Its
In
Receiving unit, the history ANNOUNCE messages sent for receiving device by LAN port；
Extraction unit, for extracting characteristic quantity from history ANNOUNCE messages；
Feature database generation unit, for characteristic quantity to be preserved, obtains feature database.
Further, above-mentioned first forwarding module 15, specifically for the first message is forwarded by LAN port.The present invention
In embodiment, wireless mesh network the first message interaction system can also include：
Maintenance module, for periodically being safeguarded to feature database, deletion does not receive corresponding in the given time
The failure characteristics amount of ANNOUNCE messages.
It can be seen that, the first equipment is when receiving the first message of the second equipment transmission in the embodiment of the present invention, from the first report
Extracted in text in fisrt feature amount and second feature amount, and judging characteristic storehouse and whether to include fisrt feature amount, the is judged with this
Whether two equipment are wired direct-connected with the first equipment, if so, then forbid the first message to be sent by second port to the second equipment, if
It is no, then second feature amount whether is preserved in judging characteristic storehouse, judge whether to need to wired direct-connected with the first equipment with this
The message of device forwards first, if so, then forwarding the first message by first port or second port, if it is not, then being set first
Standby characteristic quantity saves as the fisrt feature amount of the first message, obtains the second message, and by the second message by first port or
Second port is forwarded, and is ensured with this, when the 3rd equipment receives the second message, can interpolate that whether the first equipment has with the 3rd equipment
Line is direct-connected, by the judgement of two kinds of situations, has cut off the premise of loop formation, has solved and exist in Wireless Mesh self-organizing network system
Network loopback problem during wired+wireless mixed connection topological structure, at the same time it can also reduce the occupancy for wireless bandwidth, reduction
The probability of happening that CSMA/CD conflicts are retransmitted in wireless network, so as to improve Mesh network handling capacity.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include be this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except also there is other identical element in the process including the key element, method, article or equipment.
A kind of wireless mesh network message interaction method provided by the present invention and system are described in detail above,
Specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is to use
Understand the method and its core concept of the present invention in help；Simultaneously for those of ordinary skill in the art, according to the present invention's
Thought, will change in specific embodiments and applications, in summary, and this specification content should not be construed as
Limitation of the present invention.
Claims (8)
1. a kind of wireless mesh network message interaction method, applied to the first equipment, it is characterised in that including：
The first message that the second equipment is sent is received using first port；
Whether fisrt feature amount in first message is preserved in judging characteristic storehouse；
If so, then forbidding first message to be sent by second port to second equipment；
If it is not, then judging the second feature amount in first message whether is preserved in the feature database；
If so, then first message is forwarded by the first port or the second port；
If it is not, the characteristic quantity of first equipment then to be saved as to the fisrt feature amount of first message, second is obtained
Message, and second message is forwarded by the first port or the second port；
Wherein, the first port is different from the second port type.
2. the message interaction method of wireless mesh network first according to claim 1, it is characterised in that also include：
Periodically the feature database is safeguarded, the failure spy for not receiving corresponding ANNOUNCE messages in the given time is deleted
The amount of levying.
3. the message interaction method of wireless mesh network first according to claim 1, it is characterised in that described by described
One message is forwarded by the first port or the second port, including：
First message is forwarded by LAN port.
4. the message interaction method of wireless mesh network first according to any one of Claims 1-4, it is characterised in that institute
Feature database generating process is stated, including：
The history ANNOUNCE messages that receiving device is sent by LAN port；
Characteristic quantity is extracted from the history ANNOUNCE messages；
The characteristic quantity is preserved, the feature database is obtained.
5. a kind of the first message interaction of wireless mesh network system, applied to the first equipment, it is characterised in that including：
Receiving module, for receiving the first message that the second equipment is sent using first port；
First judge module, for whether preserving the fisrt feature amount in first message in judging characteristic storehouse；
Disabled module, for judging to preserve the fisrt feature amount in the feature database when first judge module, then prohibits
Only first message is sent to second equipment by second port；
Second judge module, for judging not preserving the fisrt feature in the feature database when first judge module
Amount, then judge the second feature amount in first message whether is preserved in the feature database；
First forwarding module, for judging to preserve the second feature amount in the feature database when first judge module,
Then first message is forwarded by the first port or the second port；
Second forwarding module, for judging not preserving the second feature in the feature database when first judge module
Amount, then save as the fisrt feature amount of first message by the characteristic quantity of first equipment, obtain the second message, and
Second message is forwarded by the first port or the second port；
Wherein, the first port is different from the second port type.
6. the first message interaction of wireless mesh network system according to claim 5, it is characterised in that also include：
Maintenance module, for periodically being safeguarded to the feature database, deletion does not receive corresponding in the given time
The failure characteristics amount of ANNOUNCE messages.
7. the first message interaction of wireless mesh network system according to claim 5, it is characterised in that first forwarding
Module, specifically for first message is forwarded by LAN port.
8. wireless mesh network the first message interaction system according to any one of claim 5 to 7, it is characterised in that institute
The first judge module is stated, including：
Receiving unit, the history ANNOUNCE messages sent for receiving device by LAN port；
Extraction unit, for extracting characteristic quantity from the history ANNOUNCE messages；
Feature database generation unit, for the characteristic quantity to be preserved, obtains the feature database.
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