CN107483236A - The method and device of Internet of Things access point backup - Google Patents

The method and device of Internet of Things access point backup Download PDF

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Publication number
CN107483236A
CN107483236A CN201710649205.6A CN201710649205A CN107483236A CN 107483236 A CN107483236 A CN 107483236A CN 201710649205 A CN201710649205 A CN 201710649205A CN 107483236 A CN107483236 A CN 107483236A
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Prior art keywords
access point
backup
internet
things
repeater
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CN201710649205.6A
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CN107483236B (en
Inventor
杜光东
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Shenzhen Shenglu IoT Communication Technology Co Ltd
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Shenzhen Shenglu IoT Communication Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/085—Retrieval of network configuration; Tracking network configuration history
    • H04L41/0853—Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information
    • H04L41/0856—Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information by backing up or archiving configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of method of Internet of Things access point backup, including：The backup access point of the first access point is obtained, data cached by first access point backs up to the backup access point；When detecting that first access point breaks down, the backup access point using the 3rd access point as second access point；The internet-of-things terminal or repeater that are connected with first access point are switched into second access point, using the data cached transmission of second access point to the 3rd access point of the backup access point as second access point.The invention also discloses a kind of device of Internet of Things access point backup.The present invention can avoid access point failure from causing Internet of Things to be paralysed, and improve the fault-resistant ability of Internet of Things.

Description

The method and device of Internet of Things access point backup
Technical field
The present invention relates to internet of things field, more particularly to a kind of method and device of Internet of Things access point backup.
Background technology
Internet of Things refers to by various information sensing devices, any required monitoring of collection in real time, connection, interactive object or The information of the various needs such as process, a huge network is combined to form with internet, Internet of Things is realized between thing and thing, thing with Network connection between people, convenient identification, control and management.Internet of Things passes through Intellisense, identification technology and general fit calculation etc. Communicate cognition technology, is widely used in the fusion of network, is also therefore referred to as the world information after computer, internet and produces The third wave of industry development.
In existing data transmission of internet of things link, terminal is connected in Internet of Things by access point, and due to access There is the situation of access point failure, causes network connection interruption, institute it occur frequently that IP address conflict, equipment compatibility are poor in point So that there is access the problem of point failure causes Internet of Things reliability relatively low in the prior art.
The content of the invention
The embodiment of the present invention proposes a kind of method of Internet of Things access point backup, can solve access point failure and cause thing The relatively low technical problem of reliability of networking.
A kind of method of Internet of Things access point backup, methods described are based on access point subsystem, described access point subsystem Include including at least the first access point, the second access point and the 3rd access point, methods described：
Obtain the backup access point of the first access point, by first access point it is data cached back up to it is described backup connect Access point, the backup access point comprise at least the second access point and the 3rd access point；
When detecting that first access point breaks down, according to obtaining the performance parameter of the backup access point The priority of backup access point；
The priority of the backup access point is ranked up, is less than described second in the priority of the 3rd access point During the priority of access point, the backup access point using the 3rd access point as second access point；
The internet-of-things terminal or repeater that are connected with first access point are switched into second access point, by described in The data cached transmission of second access point to as second access point backup access point the 3rd access point.
In one embodiment, the first access point and backup access point are the access point at same node, and its function phase is same, It can be connected to as access point in Internet of Things, and the backup access point of the first access point is used to back up the slow of the first access point Deposit data.Backup access point can be the access point or idle access point to work, when backup access point is only used When making backup functionality, the radio-frequency enabled of backup access point can be closed, only its store function is used, so as to save energy consumption.Need Illustrate, backup access point here is at least two, the first access point data cached while back up to multiple backups and connects In access point.
In one embodiment, the first access point is obtained from the tension management equipment of the first access point as the first access The second access point of backup access point and the access point identity information of the 3rd access point of point, wherein, tension management equipment includes Gateway server.
Wherein, the access point identity information of the second access point includes the Bluetooth identification information of the second access point, the second access IP address information, the mac address information of the second access point or the EIC equipment identification code information of the second access point of point.
Wherein, the access point identity information of the 3rd access point includes the Bluetooth identification information of the 3rd access point, the 3rd access IP address information, the mac address information of the 3rd access point or the EIC equipment identification code information of the 3rd access point of point.
In one embodiment, the access point identity letter of the first access point is got the second access point, the 3rd access point The type of breath is different, and the first access point is different from the connection type that the second access point, the 3rd access point are established, as got Access point identity information is the equipment mark code information of the second access point, then the connection established with the second access point is infrared company Connect, the access point identity information and for example got is the IP address information of the 3rd access point, then the company established with the 3rd access point It is connected in Wifi connections.
In one embodiment, the access point identity information of the second access point got and the access point of the 3rd access point The type of identification information is consistent, is such as Bluetooth identification information.
Optionally, the priority bag that the backup access point is obtained according to the performance parameter of the backup access point Include：
The backup is calculated according to the processing unit utilization rate, memory usage, transmitted data amount of the backup access point The priority of access point.
Optionally, the internet-of-things terminal or repeater that are connected with first access point are switched to described second described Before access point, in addition to：
The device identification of the internet-of-things terminal or repeater that are connected described in obtaining with first access point, generation equipment are recognized Card coding, the device authentication coding of the generation is sent to second access point；
Second access point judges the initiation when receiving the connection request of the internet-of-things terminal or repeater The device identification of the internet-of-things terminal or repeater of connection request whether with the device authentication codes match；
If the match is successful, the internet-of-things terminal or repeater that receive the initiation connection request are attached.
Optionally, it is described by first access point it is data cached back up to the backup access point before, also wrap Include：
Close the radio-frequency enabled of the backup access point；
It is described the internet-of-things terminal being connected with first access point is switched into second access point before, also wrap Include：
Open the radio-frequency enabled of second access point.
Optionally, the internet-of-things terminal or repeater that are connected with first access point are switched to described second described Before access point, in addition to：
Broadcast message is sent to the internet-of-things terminal or repeater so that the internet-of-things terminal or repeater are receiving During to the broadcast message, connection request is initiated to second access point；The broadcast message includes second access point MAC Address.
Optionally, methods described also includes：
The national channel code according to corresponding to the location information of first access point obtains first access point；
According to the corresponding relation of the national channel code and the national channel code and radio network information channel frequency range, institute is adjusted State the radio network information channel frequency range of the first access point access.
Optionally, methods described also includes：
The load capacity of first access point is detected, exceedes default load threshold in the load capacity of first access point When, the internet of things equipment or repeater that are connected with first access point are switched into second access point.
In addition, it is also proposed that a kind of device of Internet of Things access point backup.
A kind of device of Internet of Things access point backup, including：
Backup access point acquisition module, for obtaining the backup access point of the first access point, by first access point Data cached to back up to the backup access point, the backup access point comprises at least the second access point and the 3rd access point；
Priority acquisition module, for when detecting that first access point breaks down, being accessed according to the backup The performance parameter of point obtains the priority of the backup access point；
Access point setup module, for being ranked up to the priority of the backup access point, in the 3rd access point Priority be less than second access point priority when, the backup using the 3rd access point as second access point Access point；
Terminal transfer management module, for the internet-of-things terminal or repeater that are connected with first access point to be switched to Second access point, using the data cached transmission of second access point to the backup access point as second access point The 3rd access point.
In one embodiment, the first access point and backup access point are the access point at same node, and its function phase is same, It can be connected to as access point in Internet of Things, and the backup access point of the first access point is used to back up the slow of the first access point Deposit data.Backup access point can be the access point or idle access point to work, when backup access point is only used When making backup functionality, the radio-frequency enabled of backup access point can be closed, only its store function is used, so as to save energy consumption.Need Illustrate, backup access point here is at least two, the first access point data cached while back up to multiple backups and connects In access point.
In one embodiment, the first access point is obtained from the tension management equipment of the first access point as the first access The second access point of backup access point and the access point identity information of the 3rd access point of point, wherein, tension management equipment includes Gateway server.
Wherein, the access point identity information of the second access point includes the Bluetooth identification information of the second access point, the second access IP address information, the mac address information of the second access point or the EIC equipment identification code information of the second access point of point.
Wherein, the access point identity information of the 3rd access point includes the Bluetooth identification information of the 3rd access point, the 3rd IP address information, the mac address information of the 3rd access point or the EIC equipment identification code information of the 3rd access point of access point.
In one embodiment, the access point identity letter of the first access point is got the second access point, the 3rd access point The type of breath is different, and the first access point is different from the connection type that the second access point, the 3rd access point are established, as got Access point identity information is the equipment mark code information of the second access point, then the connection established with the second access point is infrared company Connect, the access point identity information and for example got is the IP address information of the 3rd access point, then the company established with the 3rd access point It is connected in Wifi connections.
In one embodiment, the access point identity information of the second access point got and the access point of the 3rd access point The type of identification information is consistent, is such as Bluetooth identification information.
Optionally, the priority acquisition module is additionally operable to：
The backup is calculated according to the processing unit utilization rate, memory usage, transmitted data amount of the backup access point The priority of access point.
Optionally, described device also includes device authentication module, for will be connected described with first access point Internet-of-things terminal or repeater are switched to before second access point, the Internet of Things being connected described in acquisition with first access point The device identification of network termination or repeater, generation device authentication coding, the device authentication coding of the generation is sent to described Second access point；
Second access point judges the initiation when receiving the connection request of the internet-of-things terminal or repeater The device identification of the internet-of-things terminal or repeater of connection request whether with the device authentication codes match；
If the match is successful, the internet-of-things terminal or repeater that receive the initiation connection request are attached.
Optionally, described device also includes radio-frequency enabled control module, in the delaying first access point Deposit data is backed up to before the backup access point, closes the radio-frequency enabled of the backup access point；
The internet-of-things terminal or repeater that are connected with first access point are switched into second access point described Before, the radio-frequency enabled of second access point is opened.
Optionally, the terminal transfer management module is additionally operable in the Internet of Things that will be connected with first access point Before terminal switching or repeater to second access point, broadcast message is sent to the internet-of-things terminal or repeater, is made The internet-of-things terminal or repeater are obtained when receiving the broadcast message, connection request is initiated to second access point； The broadcast message includes the MAC Address of second access point.
Optionally, described device also includes channel selection block, is used for：
The national channel code according to corresponding to the location information of first access point obtains first access point；
According to the corresponding relation of the national channel code and the national channel code and radio network information channel frequency range, institute is adjusted State the radio network information channel frequency range of the first access point access.
Optionally, described device also includes load detecting module, is used for：
The load capacity of first access point is detected, exceedes default load threshold in the load capacity of first access point When, the internet-of-things terminal or repeater that are connected with first access point are switched into second access point.
By when detecting that the first access point breaks down, being connect according to the second access point and the 3rd in the embodiment of the present invention The process performance of access point detects the priority of the second access point and the 3rd access point, and selects the second higher access point of priority The internet-of-things terminal that carry is connected with the first access point, the 3rd relatively low access point of priority is selected as the standby of the second access point Part access point, it is data cached in the second access point for backing up.So that the data in the first access point to break down It is able to move on the access point of other normal works with the internet-of-things terminal being attached thereto, avoids access point failure from causing Internet of Things Net paralysis, improve the fault-resistant ability of Internet of Things.
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 required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Wherein：
Fig. 1 is a kind of flow chart of the method for Internet of Things access point backup in one embodiment；
Fig. 2 is a kind of group-network construction figure of Internet of Things in one embodiment；
Fig. 3 is the schematic diagram that a kind of Internet of Things accesses point subsystem in one embodiment；
Fig. 4 is a kind of structure chart of the device of Internet of Things access point backup in one embodiment；
Fig. 5 is the hardware structure for the computer system that above-mentioned Internet of Things access point backup method is run in one embodiment Figure.
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing etc. are For distinguishing different objects, rather than for describing particular order.In addition, term " comprising " and " having " and their any changes Shape, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method, system, product or The step of equipment is not limited to list or unit, but alternatively also include the step of not listing or unit, or it is optional Ground is also included for other intrinsic steps of these processes, method, product or equipment or unit.
A kind of in one embodiment it is proposed that method of Internet of Things access point backup.The realization of this method can be dependent on Computer program, the computer program can be the driven management program or virtual device manager of Internet of Things access point.Should Computer program can run on the computer system based on von Neumann system.
Specifically, be a kind of flow chart of the method for Internet of Things access point backup in one embodiment as shown in Figure 1, including Following steps：
Step S102：The backup access point of the first access point is obtained, the data cached of the first access point is backed up to The backup access point, the backup access point comprise at least the second access point and the 3rd access point.
It is illustrated in figure 2 the group-network construction figure of Internet of Things, including server, gateway, access point, internet-of-things terminal, relaying Device etc..Wherein, the latticed form such as server via Ethernet or 2G, 3G, 4G is connected with gateway, and then, gateway and Internet of Things Connected between network termination by access point, part internet-of-things terminal needs to be connected with access point by repeater.
The schematic diagram of Internet of Things access point subsystem is illustrated in figure 3, wherein at least including the first access point, the second access Point and the 3rd access point, the backup access point of the first access point comprise at least the second access point and the 3rd access point.
In the present embodiment, the first access point and backup access point are the access point at same node, and its function phase is same, It can be connected to as access point in Internet of Things, and the backup access point of the first access point is used for the caching of the first access point of backup Data.Backup access point can be the access point or idle access point to work, when backup access point is used only as During backup functionality, the radio-frequency enabled of backup access point can be closed, only its store function is used, so as to save energy consumption.Need Bright, backup access point here is at least two, the first access point data cached while backs up to multiple backup accesses Point in.
In one embodiment, the first access point is obtained from the tension management equipment of the first access point as the first access The second access point of backup access point and the access point identity information of the 3rd access point of point, wherein, tension management equipment includes Gateway server.
Wherein, the access point identity information of the second access point includes the Bluetooth identification information of the second access point, the second access IP address information, the mac address information of the second access point or the EIC equipment identification code information of the second access point of point.
Wherein, the access point identity information of the 3rd access point includes the Bluetooth identification information of the 3rd access point, the 3rd IP address information, the mac address information of the 3rd access point or the EIC equipment identification code information of the 3rd access point of access point.
In one embodiment, the access point identity letter of the first access point is got the second access point, the 3rd access point The type of breath is different, and the first access point is different from the connection type that the second access point, the 3rd access point are established, as got Access point identity information is the equipment mark code information of the second access point, then the connection established with the second access point is infrared company Connect, the access point identity information and for example got is the IP address information of the 3rd access point, then the company established with the 3rd access point It is connected in Wifi connections.
In one embodiment, the access point identity information of the second access point got and the access point of the 3rd access point The type of identification information is consistent, is such as Bluetooth identification information.
Step S104：When detecting that first access point breaks down, joined according to the performance of the backup access point Number obtains the priority of the backup access point.
Step S106：The priority of the backup access point is ranked up, it is low in the priority of the 3rd access point When the priority of second access point, the backup access point using the 3rd access point as second access point.
In the present embodiment, can be according to processing unit utilization rate, memory usage, the transmitted data amount of backup access point Calculate the priority of backup access point.A kind of calculation therein is：Assuming that the processing unit utilization rate of backup access point is A, memory usage B, transmitted data amount C, priority W, below equation can be passed through：
W=a1·A+a2·B+a3·C
It is calculated, wherein a1+a2+a3=1.It should be noted that a here1、a2、a3Specific value can be according to connecing The running situation of access point is configured, or uses recommended setting, for example, setting a1=50%, a2=30%, a3=20%.
In the present embodiment, the priority of backup access point is ranked up, for the ease of understanding this programme, by priority Highest backup access point is referred to as the second backup access point, and the backup access point that priority is only second to the second access point is referred to as the 3rd Access point.After the first access point failure, the radio-frequency enabled of the second access point is opened, the second access point is connected in network Row communication.Meanwhile the backup access point using the 3rd access point as the second access point, by the data cached backup of the second access point To the 3rd access point, so as to ensure access point proper communication, the reliability of Internet of Things is improved.
It should be noted that the number of the backup access point in this programme can be multiple, it is not limited solely in the present embodiment Two enumerated.When the number of backup access point is two or more, the backup access point conduct of highest priority is still selected Second access point, the backup access point using other backup access points as the second access point.For example, in an Internet of Things, There are 4 access points, respectively access point 1, access point 2, access point 3 and access point 4 at a node, wherein access point 3 is First access point, is communicated in a network, and other the backup access points of three access points all as access point 3 use.At certain In communication process once, access point 3 breaks down, and now calculates the priority of access point 1, access point 2 and access point 4.It is false If according to above-mentioned formula：
W=a1·A+a2·B+a3·C
Calculated, take a therein1=50%, a2=30%, a3=20%.It is so as to obtain the priority of access point 1 89, the priority of access point 2 is 75, and the priority of access point 4 is 67, and these three result of calculations are ranked up, and selection is preferential Level highest access point 1 is used as the second access point, the backup access point using access point 2 and access point 4 as access point 1.So as to Ensure access point proper communication, improve the reliability of Internet of Things.
Step S108：The internet-of-things terminal being connected with first access point is switched into second access point, by institute The data cached transmission of the second access point is stated to the 3rd access point of the backup access point as second access point.
In the present embodiment, after the first access point failure, the MAC addresses of the second access point are broadcasted to internet-of-things terminal, MAC Address is also known as physical address or hardware address, and for defining the position of the network equipment, each access point has one individually MAC Address, internet-of-things terminal can after the MAC Address of the second access point is received, to the second access point initiate connection please Ask.
In one embodiment, after the first access point failure, the internet-of-things terminal being connected with the first access point is obtained Device identification, device identification here refer to be built in the knowledge for being used to be different from other equipment in internet-of-things terminal device chip Other information, cannot be changed after equipment is dispatched from the factory, including MAC Address of the model of manufacturer's sequence number, equipment, equipment etc. Information.Device authentication coding is generated according to equipment identification information, i.e., these information are changed into the form of character code, such as Specific format as " sequence number-model-MAC Address ", is easy to other equipment to be read out.Afterwards, by generation and first The device authentication coding of the internet-of-things terminal of access point connection is sent to the second access point.Internet of Things is received in the second access point During the connection request of terminal, the device identification of internet-of-things terminal is obtained, facility information is therefrom read out and is set with what is preserved before Standby certification coding is matched, internet-of-things terminal device identification with preserve the success of device authentication codes match when, can be with Internet-of-things terminal is received to be attached.Encoded by preserving device authentication, judging directly to be attached after the match is successful, can be with Avoid, when internet-of-things terminal initiates connection request to the second access point, again conversating to equipment authentification of message and key being matched somebody with somebody Equivalent process, so as to improve the communication efficiency of Internet of Things.
It should be noted that the device identification of internet-of-things terminal here is successfully wrapped with the device authentication codes match preserved Situation about containing can have it is a variety of, for example, sequence number, model are all identical with MAC Address；Or only identification sequence number is identical When, that is, judge device identification and the device authentication codes match success preserved；Or more than certain percentage only in character string Character, which matches, thinks that the match is successful.The workload of data processing can be reduced by such mode, improves efficiency.
In one embodiment, the state according to corresponding to the location information of first access point obtains first access point Family's channel code, according to the corresponding relation of the national channel code and the national channel code and radio network information channel frequency range, regulation The radio network information channel frequency range of the first access point access.According to 802.11 division band limits, respectively 2.4GHz and 4.9/5.8GHz, each frequency range is divided into multiple channels again, and voluntarily policies use these frequency ranges for different countries, i.e., each There is range of channels corresponding to oneself country in country.Wherein, 2.4GHz is currently used frequency range, frequency range 2.400- 2.4835GHz, common 83.5M bandwidth, 14 sub-channels are divided into, each sub-channel width is 22MHz, and the center of adjacent channel is frequently Point interval 5MHz, it is overlapping (such as 1 channel and 2,3,4,5 channels have frequency overlapping) frequency to be present in adjacent multiple channels, it is whole frequently Only 3 (1,6,11) do not interfere with each other channel in section, and Chinese national channel code is 1-13.It is located at for example, location information is shown Within Chinese territory, then the first access point obtains the national channel code 1-13 of China, so as to which selection wireless network frequency range is entered wherein Row communication, so as to avoid access point apparatus and country variant channel code from mismatching the problem of causing communication quality to reduce.
In one embodiment, the load capacity of first access point is detected, is surpassed in the load capacity of first access point When crossing default load threshold, the internet of things equipment or repeater that are connected with first access point are switched to described second and connect Access point.In the present embodiment, the data that the load capacity of the first access point can be sent and received by the first access point in per second Amount is described, in a LAN, after internet-of-things terminal searches multiple access points, main selection signal intensity compared with Good access point is attached, and once most internet-of-things terminal is all connected on same access point, will be increased and be connect The load capacity of access point, when load capacity reaches certain degree, the normal work of access point can be affected, under transmission rate Drop.One suitable load threshold is set, when the load capacity for detecting access point is higher than the threshold value, for example, the first access point The a width of 10Mbps of band of offer, the load threshold of setting is 8Mbps, when the bandwidth that the internet-of-things terminal or repeater of access take When summation is more than 8Mbps, internet-of-things terminal or repeater are switched into the second access point, so as to avoid load capacity is excessive from causing net Network transfer function failure.
In one embodiment, the implementation procedure of the present invention is stated below by way of a specific application scenarios.At this In application scenarios, there are 3 access points at a node in Internet of Things, respectively access point J, access point K and access point L, its Middle access point J is the first access point, is communicated in a network, and other two access points all access as access point J backup Point uses, and only opens store function.
In certain communication process once, access point J breaks down, and is calculated according to access point K and access point L priority As a result the priority for obtaining access point K is higher than access point L, and access point K is arranged into the second access point, access point L is arranged to Access point K backup access point.
Before access point J breaks down, internet-of-things terminal 1 and internet-of-things terminal 2 are connected with access point J, now, is opened Open access point K radio-frequency enabled.Access point K obtains internet-of-things terminal 1 and the device authentication coding of internet-of-things terminal 2 is respectively " 001-A1070-00010010 " and " 011-BC79-00101100 ", and preserved.Afterwards, access point K is to internet-of-things terminal 1 and the broadcast access point K of internet-of-things terminal 2 MAC addresses " 00-01-6C-06-A6-29 ".
Internet-of-things terminal 1 and internet-of-things terminal 2 are sent out after the MAC Address is received, according to the MAC Address to access point K Play connection request.
Access point K obtains internet-of-things terminal 1 and Internet of Things according to internet-of-things terminal 1 and the connection request of internet-of-things terminal 2 The equipment identification information of network termination 2 is respectively " 001-A1070-00010010 " and " 011-BC79-00101100 ", with protecting before The device authentication coding deposited is identical, judges that the match is successful, receives the connection of internet-of-things terminal 1 and internet-of-things terminal 2.In access point In the K course of work, while by data cached Hot Spare into access point L, ensure the reliability of Internet of Things Network Communication.
In addition, in one embodiment, it is also proposed that a kind of device of Internet of Things access point backup, as shown in Fig. 4, on Stating the device of Internet of Things access point backup includes backup access point acquisition module 102, and priority acquisition module 104, access point is set Put module 106, terminal transfer management module 108, radio-frequency enabled control module 110, channel selection block 112, load detecting mould Block 114, wherein：
Backup access point acquisition module 102, for obtaining the backup access point of the first access point, by first access point It is data cached back up to the backup access point, the backup access point comprises at least the second access point and the 3rd access point；
Priority acquisition module 104, for when detecting that first access point breaks down, being connect according to the backup The performance parameter of access point obtains the priority of the backup access point；
Access point setup module 106, for being ranked up to the priority of the backup access point, in the described 3rd access When the priority of point is less than the priority of second access point, using the 3rd access point as the standby of second access point Part access point；
Terminal transfer management module 108, for the internet-of-things terminal or repeater that are connected with first access point to be cut Second access point is shifted to, the data cached transmission of second access point is extremely connect as the backup of second access point 3rd access point of access point.
Optionally, the priority acquisition module 104 is additionally operable to：
The backup is calculated according to the processing unit utilization rate, memory usage, transmitted data amount of the backup access point The priority of access point.
Optionally, described device also includes radio-frequency enabled control module 110, for described by first access point It is data cached to back up to before the backup access point, close the radio-frequency enabled of the backup access point；
The internet-of-things terminal or repeater that are connected with first access point are switched into second access point described Before, the radio-frequency enabled of second access point is opened.
Optionally, described device also includes channel selection block 112, for the location information according to first access point Obtain national channel code corresponding to first access point；
According to the corresponding relation of the national channel code and the national channel code and radio network information channel frequency range, institute is adjusted State the radio network information channel frequency range of the first access point access.
Optionally, described device also includes load detecting module 114, is used for：The load capacity of first access point is detected, It is when the load capacity of first access point exceedes default load threshold, the Internet of Things being connected with first access point is whole End or repeater switch to second access point.
By when detecting that the first access point breaks down, being connect according to the second access point and the 3rd in the embodiment of the present invention The process performance of access point detects the priority of the second access point and the 3rd access point, and selects the second higher access point of priority The internet-of-things terminal that carry is connected with the first access point, the 3rd relatively low access point of priority is selected as the standby of the second access point Part access point, it is data cached in the second access point for backing up.So that the data in the first access point to break down It is able to move on the access point of other normal works with the internet-of-things terminal being attached thereto, avoids access point failure from causing Internet of Things Net paralysis, improve the fault-resistant ability of Internet of Things.
In one embodiment, as shown in figure 5, Fig. 5 illustrates a kind of method for running above-mentioned Internet of Things access point backup The computer system based on von Neumann system terminal 10.The computer system can be the access point subsystem in Internet of Things System.Specifically, it may include the outer input interface 1001, processor 1002, memory 1003 and defeated connected by system bus Outgoing interface 1004.Wherein, outer input interface 1001 can optionally comprise at least network interface 10012.Memory 1003 can wrap Include external memory 10032 (such as hard disk, CD or floppy disk etc.) and built-in storage 10034.Output interface 1004 can comprise at least The equipment such as display screen 10042.And the processor 1002 is additionally operable to perform the method that above-mentioned Internet of Things access point backs up, including：
Obtain the backup access point of the first access point, by first access point it is data cached back up to it is described backup connect Access point, the backup access point comprise at least the second access point and the 3rd access point；
When detecting that first access point breaks down, according to obtaining the performance parameter of the backup access point The priority of backup access point；
The priority of the backup access point is ranked up, is less than described second in the priority of the 3rd access point During the priority of access point, the backup access point using the 3rd access point as second access point；
The internet-of-things terminal or repeater that are connected with first access point are switched into second access point, by described in The data cached transmission of second access point to as second access point backup access point the 3rd access point.
Optionally, processor 1002 is additionally operable to perform：
The priority that the backup access point is obtained according to the performance parameter of the backup access point includes：
The backup is calculated according to the processing unit utilization rate, memory usage, transmitted data amount of the backup access point The priority of access point.
Optionally, processor 1002 is additionally operable to perform：The data cached of first access point is backed up into institute described Before stating backup access point, in addition to：
Close the radio-frequency enabled of the backup access point；
The internet-of-things terminal or repeater that are connected with first access point are switched into second access point described Before, in addition to：
Open the radio-frequency enabled of second access point.
Optionally, processor 1002 is additionally operable to perform：Described first is obtained according to the location information of first access point National channel code corresponding to access point；
According to the corresponding relation of the national channel code and the national channel code and radio network information channel frequency range, institute is adjusted State the radio network information channel frequency range of the first access point access.
Optionally, processor 1002 is additionally operable to perform：The load capacity of first access point is detected, in the described first access When the load capacity of point exceedes default load threshold, the internet-of-things terminal or repeater that are connected with first access point are switched To second access point.
In the present embodiment, the operation of this method is based on computer program, and the program file of the computer program is stored in In the external memory 10032 of the foregoing computer system 10 based on von Neumann system, built-in storage is operationally loaded into In 10034, then it is compiled as being transferred in processor 1002 after machine code performing, so that being based on von Neumann system Computer system 10 in form backup access point acquisition module 102 in logic, priority acquisition module 104, access point is set Put module 106, terminal transfer management module 108, radio-frequency enabled control module 110, channel selection block 112, load detecting mould Block 114.And in the method implementation procedure of Internet of Things access point backup, the parameter of input is connect by outer input interface 1001 Receive, and be transferred in memory 1003 and cache, be then input in processor 1002 and handled, the result data of processing or slow It is stored in memory 1003 and is subsequently handled, or is passed to output interface 1004 and is exported.
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.

Claims (10)

  1. A kind of 1. method of Internet of Things access point backup, it is characterised in that methods described is based on access point subsystem, the access Point subsystem, which comprises at least the first access point, the second access point and the 3rd access point, methods described, to be included：
    The backup access point of the first access point is obtained, data cached by first access point backs up to the backup access Point, the backup access point comprise at least second access point and the 3rd access point；
    When detecting that first access point breaks down, the backup using the 3rd access point as second access point Access point, the internet-of-things terminal or repeater that are connected with first access point are switched into second access point, by described in Backup access point of the data cached transmission of second access point extremely as second access point.
  2. 2. the method for Internet of Things access point backup as claimed in claim 1, it is characterised in that accessed described by described first The data cached of point is backed up to before the backup access point, in addition to：
    Close the radio-frequency enabled of the backup access point；
    It is described the internet-of-things terminal or repeater that are connected with first access point are switched into second access point before, Also include：
    Open the radio-frequency enabled of second access point.
  3. 3. the method for the Internet of Things access point backup as described in any one of claim 1~2, it is characterised in that methods described is also Including：
    The load capacity of first access point is detected, when the load capacity of first access point exceedes default load threshold, The internet-of-things terminal or repeater that are connected with first access point are switched into second access point.
  4. 4. the method for Internet of Things access point backup as claimed in claim 1, it is characterised in that will be connect described with described first The internet-of-things terminal or repeater of access point connection are switched to before second access point, in addition to：
    The device identification of the internet-of-things terminal or repeater that are connected described in obtaining with first access point, generation device authentication are compiled Code, the device authentication coding of the generation is sent to second access point；
    Second access point judges the initiation connection when receiving the connection request of the internet-of-things terminal or repeater The device identification of the internet-of-things terminal or repeater of request whether with the device authentication codes match；
    Device identification and the device authentication codes match in the internet-of-things terminal or repeater of the initiation connection request In the case of, receive the internet-of-things terminal for initiating connection request or repeater and be attached.
  5. 5. the method for the backup of Internet of Things access point according to claim 1, it is characterised in that methods described also includes：
    When detecting that first access point breaks down, the backup is obtained according to the performance parameter of the backup access point The priority of access point, wherein, it is described that the preferential of the backup access point is obtained according to the performance parameter of the backup access point Level be：The backup access is calculated according to the processing unit utilization rate, memory usage, transmitted data amount of the backup access point The priority of point；
    The priority of the backup access point is ranked up, the backup access point of highest priority is referred to as the second backup access Point, the backup access point that priority is only second to the second access point are referred to as the 3rd access point, using the 3rd access point as described in The backup access point of second access point；
    After the first access point failure, the radio-frequency enabled of the second access point is opened, the second access point is connected in network and carried out Communication；
    Backup access point using the 3rd access point as the second access point, data cached by the second access point back up to the 3rd and connect Access point.
  6. 6. a kind of device of Internet of Things access point backup, it is characterised in that described device includes：
    Backup access point acquisition module, for obtaining the backup access point of the first access point, by the caching of first access point Data backup to the backup access point, the backup access point comprises at least the second access point and the 3rd access point；
    Access point setup module, for when detecting that first access point breaks down, using the 3rd access point as The backup access point of second access point；
    Terminal transfer management module, it is described for the internet-of-things terminal or repeater that are connected with first access point to be switched to Second access point, using the data cached transmission of second access point to the of the backup access point as second access point Three access points.
  7. 7. the device of Internet of Things access point backup as claimed in claim 6, it is characterised in that described device also includes radio frequency work( Energy control module, for it is described by first access point it is data cached back up to the backup access point before, close The radio-frequency enabled of the backup access point；
    It is described the internet-of-things terminal or repeater that are connected with first access point are switched into second access point before, Open the radio-frequency enabled of second access point.
  8. 8. the device of the Internet of Things access point backup as described in any one of claim 6~7, it is characterised in that described device is also Including load detecting module, it is used for：
    The load capacity of first access point is detected, when the load capacity of first access point exceedes default load threshold, The internet-of-things terminal or repeater that are connected with first access point are switched into second access point.
  9. 9. the device of Internet of Things access point backup as claimed in claim 6, it is characterised in that described device is also tested including equipment Module is demonstrate,proved, for the internet-of-things terminal or repeater that are connected with first access point to be switched into second access described Before point, the device identification of the internet-of-things terminal or repeater that are connected described in acquisition with first access point, generation equipment is recognized Card coding, the device authentication coding of the generation is sent to second access point；
    Second access point judges the initiation connection when receiving the connection request of the internet-of-things terminal or repeater The device identification of the internet-of-things terminal or repeater of request whether with the device authentication codes match；
    Device identification and the device authentication codes match in the internet-of-things terminal or repeater of the initiation connection request In the case of, receive the internet-of-things terminal for initiating connection request or repeater and be attached.
  10. 10. the device of Internet of Things access point backup as claimed in claim 6, it is characterised in that described device also includes preferential Level acquisition module, for when detecting that first access point breaks down, according to the performance parameter of the backup access point The priority of the backup access point is obtained, wherein, it is described that the backup is obtained according to the performance parameter of the backup access point The priority of access point is：Calculated according to the processing unit utilization rate, memory usage, transmitted data amount of the backup access point The priority of the backup access point；
    The priority of the backup access point is ranked up, the backup access point of highest priority is referred to as the second backup access Point, the backup access point that priority is only second to the second access point are referred to as the 3rd access point, using the 3rd access point as described in The backup access point of second access point；
    After the first access point failure, the radio-frequency enabled of the second access point is opened, the second access point is connected in network and carried out Communication；
    Backup access point using the 3rd access point as the second access point, data cached by the second access point back up to the 3rd and connect Access point.
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