CN107332776A - The routing iinformation table updating method and edge forwarding node of a kind of edge forwarding node - Google Patents
The routing iinformation table updating method and edge forwarding node of a kind of edge forwarding node Download PDFInfo
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- CN107332776A CN107332776A CN201710462985.3A CN201710462985A CN107332776A CN 107332776 A CN107332776 A CN 107332776A CN 201710462985 A CN201710462985 A CN 201710462985A CN 107332776 A CN107332776 A CN 107332776A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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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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Abstract
The present invention relates to a kind of routing iinformation table updating method of edge forwarding node and edge forwarding node, this method includes：The interest that edge forwarding node reception filtering gateway is issued indicates message and intercepts the Internet of Things data that the great amount of terminals equipment in its wireless coverage is reported, when there are the multiple terminal devices that residing geographical position is target geographic position in the great amount of terminals equipment, edge forwarding node judges in the plurality of terminal device at least one terminal device being not stored in the presence or absence of device identification in the route information table that previously generates, if it is, the device identification of each terminal device at least one terminal device is added in route information table.The route information table of edge forwarding node can be updated according to the actual demand of convergence unit by implementing the embodiment of the present invention, and then reduce the update times of route information table.
Description
Technical field
The present invention relates to internet of things field, more particularly to a kind of routing iinformation table updating method of edge forwarding node
And edge forwarding node.
Background technology
In Internet of Things framework, the terminal device in Internet of Things framework can gather corresponding Internet of Things data and lead to
Cross forward node and report to the convergence unit for serving as Internet of Things man-machine interface, so that convergence unit carries out analysis and decision, wherein,
The forward node that the Internet of Things data that terminal device is reported can directly be intercepted is referred to as in edge forwarding node, edge forwarding node
Be stored with route information table and need by its wireless coverage increase newly terminal device relevant information (such as device identification and
Device address etc.) it is updated in route information table, newly-increased terminal device is added in Internet of Things framework.But, whenever
When increasing terminal device newly in the wireless coverage of edge forwarding node, edge forwarding node is required to be set according to newly-increased terminal
It is standby to update route information table, the problem of updating frequent which results in route information table.
The content of the invention
The embodiment of the invention discloses a kind of routing iinformation table updating method of edge forwarding node and edge forwarding node,
The route information table of edge forwarding node can be updated according to the actual demand of convergence unit, and then reduce route information table more
New number of times.
First aspect of the embodiment of the present invention discloses a kind of routing iinformation table updating method of edge forwarding node, the side
Method includes：
The edge forwarding node receives the interest instruction message that filtering gateway is issued, and the interest indicates that message is used to refer to
Show that the Internet of Things data that convergence unit is reported to the terminal device in target geographic position is interested；
The edge forwarding node intercepts the Internet of Things data that the great amount of terminals equipment in its wireless coverage is reported, institute
Stating Internet of Things data includes data content, the device identification for the terminal device for reporting the Internet of Things data and the terminal device institute
The geographical position at place；
Set when there are multiple terminals that residing geographical position is the target geographic position in the great amount of terminals equipment
When standby, the edge forwarding node judges in the multiple terminal device to be not stored in what is previously generated with the presence or absence of device identification
At least one terminal device in route information table, when judging there is at least one described terminal in the multiple terminal device
During equipment, the device identification of each terminal device at least one described terminal device is added in the route information table.
As an alternative embodiment, in first aspect of the embodiment of the present invention, methods described also includes：
The edge forwarding node judges the device identification with the presence or absence of offline terminal device in the route information table,
When judging to exist the device identification of the offline terminal device, the offline end is deleted from the route information table
The device identification of end equipment, the offline terminal device is not report thing to the edge forwarding node in preset time period
The terminal device of networking data.
As an alternative embodiment, in first aspect of the embodiment of the present invention, judging the multiple terminal
After there is at least one described terminal device in equipment, and described each terminal at least one described terminal device is set
Before standby device identification is added in the route information table, methods described also includes：
The edge forwarding node judged at least one described terminal device with the presence or absence of the terminal device passed by, when sentencing
Break at least one described terminal device be not present it is described pass by terminal device when, triggering perform it is described will described at least one
The operation that the device identification of each terminal device is added in the route information table in individual terminal device；
Methods described also includes：
When the terminal device for judging to pass by the presence of described at least one described terminal device, the edge forwarding section
The device identification of terminal device at least one described terminal device in addition to the terminal device passed by is added to by point
In the route information table.
As an alternative embodiment, in first aspect of the embodiment of the present invention, methods described also includes：
The corresponding all terminal devices of device identification stored in route information table described in the edge forwarding node statistics
In residing geographical position report the frequency that reports of Internet of Things data for the target terminal equipment of the target geographic position, and to
Frequency is reported to report frequency up-regulation instruction less than the default terminal device transmission for reporting frequency threshold in the target terminal equipment.
As an alternative embodiment, in first aspect of the embodiment of the present invention, methods described also includes：
The edge forwarding node is to report in the target terminal equipment frequency to be less than institute in the route information table
The device identification setting for stating the default terminal device for reporting frequency threshold reports priority, wherein, report frequency smaller, setting
Report priority bigger.
Second aspect of the embodiment of the present invention discloses a kind of edge forwarding node, and the edge forwarding node includes receiving single
Member, intercept unit, judging unit and adding device, wherein：
The receiving unit, indicates message, the interest indicates that message is used for for receiving the interest that filtering gateway is issued
Indicate that the Internet of Things data that convergence unit is reported to the terminal device in target geographic position is interested；
It is described to intercept unit, the Internet of Things data that the great amount of terminals equipment for intercepting in its wireless coverage is reported,
The Internet of Things data includes data content, the device identification for the terminal device for reporting the Internet of Things data and the terminal device
Residing geographical position；
The judging unit, for being the target geographic when there is residing geographical position in the great amount of terminals equipment
During the multiple terminal devices of position, judge in the multiple terminal device to be not stored in what is previously generated with the presence or absence of device identification
At least one terminal device in route information table；
The adding device, for judging there is described at least one in the multiple terminal device when the judging unit
During individual terminal device, the device identification of each terminal device at least one described terminal device is added to the routing iinformation
In table.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the judging unit is additionally operable to sentence
It whether there is the device identification of offline terminal device in the disconnected route information table, the offline terminal device is default
Do not report the terminal device of Internet of Things data in period to the edge forwarding node；
The edge forwarding node also includes deleting unit, wherein：
The deletion unit, for judging the device identification that there is the offline terminal device when the judging unit
When, the device identification of the offline terminal device is deleted from the route information table.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the judging unit is additionally operable to
Judge to incite somebody to action described in the multiple terminal device after at least one terminal device in the presence of described in and in the adding device
Before the device identification of each terminal device is added in the route information table at least one terminal device, described in judgement extremely
With the presence or absence of the terminal device passed by a few terminal device, when judging that institute is not present at least one described terminal device
When stating the terminal device passed by, the triggering adding device execution is described to set each terminal at least one described terminal device
The operation that standby device identification is added in the route information table；
The adding device, is additionally operable to when the judging unit is judged at least one described terminal device in the presence of described
During the terminal device passed by, by the terminal device at least one described terminal device in addition to the terminal device passed by
Device identification is added in the route information table.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the edge forwarding node is also wrapped
Statistic unit and transmitting element are included, wherein：
The statistic unit, for counting the corresponding all terminal devices of device identification stored in the route information table
In residing geographical position report frequency for what the target terminal equipment of the target geographic position reported Internet of Things data；
The transmitting element, for reporting frequency into the target terminal equipment less than the default end for reporting frequency threshold
End equipment, which is sent, reports frequency up-regulation instruction.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the edge forwarding node is also wrapped
Setup unit is included, wherein：
The setup unit, for being to report in the target terminal equipment frequency to be less than institute in the route information table
The device identification setting for stating the default terminal device for reporting frequency threshold reports priority, wherein, report frequency smaller, setting
Report priority bigger.
Compared with prior art, the embodiment of the present invention has the advantages that：
In the embodiment of the present invention, edge forwarding node receives the interest instruction message that filtering gateway is issued, and the interest is indicated
Message is used to indicate that the Internet of Things data that convergence unit reports the terminal device in target geographic position is interested, and detects
The Internet of Things data for listening the great amount of terminals equipment in its wireless coverage to report, the Internet of Things data include data content, on
Report the terminal device of the Internet of Things data device identification and the terminal device residing for geographical position, when the great amount of terminals is set
Standby middle when there are the multiple terminal devices that residing geographical position is target geographic position, edge forwarding node judges the plurality of end
At least one terminal device in the route information table that previously generates is not stored in the presence or absence of device identification in end equipment, when sentencing
Break in the plurality of terminal device exist at least one terminal device when, each terminal at least one terminal device is set
Standby device identification is added in route information table.Implementing the embodiment of the present invention can be according to the actual demand of convergence unit by newly
Geographical position increase and residing is updated to edge for the device identification of the terminal device in convergence unit geographical position interested
The route information table of forward node, reduces the update times of route information table, and then reduces the power consumption of edge forwarding node.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below by using required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is a kind of schematic diagram of Internet of Things framework disclosed in the embodiment of the present invention；
Fig. 2 is a kind of flow signal of routing iinformation table updating method of edge forwarding node disclosed in the embodiment of the present invention
Figure；
Fig. 3 is that the flow of the routing iinformation table updating method of another edge forwarding node disclosed in the embodiment of the present invention is shown
It is intended to；
Fig. 4 is a kind of structural representation of edge forwarding node disclosed in the embodiment of the present invention；
Fig. 5 is the structural representation of another edge forwarding node disclosed in the embodiment of the present invention；
Fig. 6 is the structural representation of another edge forwarding node disclosed in the 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.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
The embodiment of the invention discloses a kind of routing iinformation table updating method of edge forwarding node and edge forwarding node,
By newly-increased and residing geographical position can be convergence unit geographical position interested according to the actual demand of convergence unit
The device identification of terminal device be updated to the route information table of edge forwarding node, reduce the renewal time of route information table
Number, and then reduce the power consumption of edge forwarding node.It is described in detail individually below.
Embodiment, first enters to a kind of Internet of Things framework disclosed in the embodiment of the present invention below for a better understanding of the present invention
Row is introduced.Referring to Fig. 1, Fig. 1 is a kind of schematic diagram of Internet of Things framework disclosed in the embodiment of the present invention.As shown in figure 1, the thing
Networking framework, which is divided by function, can include terminal device layer, forward node layer and three layers of convergence-level.Wherein, terminal is set
Standby layer can include the terminal device of magnanimity scale, such as hygrometer, smoke detector, ventilation equipment, rain sensor, irrigation valve
Deng；Forward node layer can include the substantial amounts of forward node of network connection, forward node can including router, repeater,
The equipment such as access point, the embodiment of the present invention is not construed as limiting, and in forward node layer, can directly be intercepted in terminal device layer
The forward node for the Internet of Things data that terminal device is reported can be called edge forwarding node again；Forward node can use any
The Networking protocol of standard, and forward node can realize that data are parsed between different network formats；Convergence-level can be wrapped
Filtering gateway and convergence unit are included, wherein, filtering gateway can be straight by each forward node of internet and forward node layer
Connect or brief introduction communication connection；High-rise pipe can be carried out by filtering gateway to each forward node of forward node layer by converging unit
Reason, so as to realize the control of data transmission frequencies, network topology and other networking functions；Converging unit not only can be to magnanimity
The Internet of Things data that terminal device is produced carries out analysis and decision, can also obtain information or configurating terminal by sending instructions
Device parameter (now terminal device is pointed in the transmission of data)；Convergence unit may be incorporated into miscellaneous service, from big data to society
Hand over network, even share from social tool " thumb up " to weather.In the Internet of Things framework shown in Fig. 1, each forwarding section
Point can provide Internet of Things data transmitting-receiving service for the magnanimity terminal equipment in its own wireless coverage, wherein, Mei Yizhuan
Each terminal device in hair node itself wireless coverage can be built-in with wireless communication module, and this causes each forwarding
Node can be communicated wirelessly by wireless network communication mode with each terminal device in itself wireless coverage.
In the Internet of Things framework shown in Fig. 1, the wireless communication module built in terminal device can input frequency in production
Communication frequency band can be defined as 470MHz~510MHz by 470MHz, lower frequency 510MHz, such wireless communication module automatically, with
Meet the regulation of Chinese SRRC standards；Or, frequency 868MHz, lower frequency 908MHz, such wireless telecommunications can also be inputted
Communication frequency band can be defined as 868MHz~908MHz by module automatically, to meet the regulation of European etsi standard；Or, can be with
Communication frequency band can be defined as 918MHz by frequency 918MHz in input, lower frequency 928MHz, such wireless communication module automatically
~928MHz, to meet the regulation of U.S.'s FCC standards；Or, the communication frequency band of wireless communication module can also be defined as meeting
The regulation of Japanese ARIB standards or Canada's IC standards, the embodiment of the present invention is not construed as limiting.In the Internet of Things framework shown in Fig. 1
In, terminal device can use frequency division multiplexing (Frequency Division Multiple Access, FDMA), frequency hopping
(Frequency-Hopping Spread Spectrum, FHSS), dynamic Time Division are multiplexed (Dynamic Time Division
Multiple Access, DTDMA), keep out of the way method that multiplexing (CSMA) is combined to solve interference problem.
Embodiment one
Referring to Fig. 2, Fig. 2 is a kind of routing iinformation table updating method of edge forwarding node disclosed in the embodiment of the present invention
Schematic flow sheet.As shown in Fig. 2 the routing iinformation table updating method of the edge forwarding node can include following operation：
201st, edge forwarding node receives the interest instruction message that filtering gateway is issued, and the interest indicates that message is used to indicate
The Internet of Things data that convergence unit is reported to the terminal device in target geographic position is interested.
In the embodiment of the present invention, the target geographic position can be a certain farm, some city, a certain factory or some
School etc., the embodiment of the present invention is not limited.
In the embodiment of the present invention, the interest that edge forwarding node reception filtering gateway is issued indicates that message can include：
The first interest that edge forwarding node sends the node identification for including edge forwarding node to filtering gateway is asked, with
Triggering filtering gateway asks the node identification included to judge whether the edge forwarding node has authorized according to the first interest
Edge forwarding node and when judged result is to be to convergence unit send include the node identification and mistake of edge forwarding node
The the second interest request for the gateway identification that filter screen is closed, wherein, first interest request and second interest ask to be used to ask
Convergence unit indicates its Internet of Things data interested, wherein, after convergence unit receives second interest request, by converging
Poly- unit asks the node identification and gateway identification that include to edge forward node and filtering gateway according to second interest
Carry out authentication and authentication by when to filtering gateway return interest indicate message；
Edge forwarding node receives the interest instruction message that filtering gateway is issued.
Optionally, edge forwarding node sends the first interest of the node identification for including edge forwarding node to filtering gateway
Request can include：
Whether the load value of its radio port between filtering gateway of edge forwarding nodal test simultaneously judges the load value
Less than given load threshold value, if less than the given load threshold value, then being sent by the radio port to filtering gateway includes side
The node identification of edge forward node the first interest request, can so improve edge forwarding node be successfully transmitted the first interest please
The reliability asked.
202nd, edge forwarding node intercepts the Internet of Things data that the great amount of terminals equipment in its wireless coverage is reported, should
Internet of Things data is including residing for data content, the device identification for the terminal device for reporting the Internet of Things data and the terminal device
Geographical position.
In the embodiment of the present invention, the Internet of Things data that edge forwarding node is listened to is the end in its wireless coverage
End equipment is reported using the wireless mode such as local Wi-Fi, bluetooth, infrared.
203rd, when exist in above-mentioned multiple terminal devices residing geographical position be above-mentioned target geographic position multiple ends
During end equipment, edge forwarding node judges to whether there is the road that device identification is not stored in previously generating in the plurality of terminal device
By at least one terminal device in information table, when the judged result of step 203 is is, triggering performs step 204, works as step
When 203 judged result is no, this flow can be terminated, i.e., the route information table of edge forward node is not updated.
In the embodiment of the present invention, the terminal being stored with the route information table in the wireless coverage of edge forwarding node
The device identification of equipment.
204th, the device identification of each terminal device at least one above-mentioned terminal device is added to by edge forwarding node
In route information table.
In an optional embodiment, the routing iinformation table updating method of the edge forwarding node can also include following
Operation：
Edge forwarding node judges to whether there is the device identification of offline terminal device in above-mentioned route information table, when sentencing
Break when the device identification that there is offline terminal device, the equipment that offline terminal device is deleted from above-mentioned route information table
Mark, wherein, offline terminal device is the terminal for not reporting Internet of Things data to edge forwarding node in preset time period
Equipment, and offline terminal device can include the terminal device that has damaged and/or in long-time closed mode
Terminal device and device identification have been added to the terminal device of the route information table of neighboring forwarding node.
The optional embodiment in time can delete the device identification for the terminal device having been off from route information table
Remove, be conducive to the immediate updating of Internet of Things topological structure in Internet of Things framework.
It is target geographic position when there is residing geographical position in above-mentioned great amount of terminals equipment in the embodiment of the present invention
During multiple terminal devices, the above-mentioned Internet of Things data that edge forwarding node can also be listened to is packaged into data element and should
Data element is sent to the next-hop forward node of the edge forwarding node, or, edge forwarding node can also be listened to
The geographical position that includes of Internet of Things data be packaged into data element for the Internet of Things data of above-mentioned target geographic position and should
Data element is sent to the next-hop forward node of the edge forwarding node；When in above-mentioned great amount of terminals equipment be not present residing ground
When managing the multiple terminal devices that position is above-mentioned target geographic position, edge forwarding node can directly filter out above-mentioned a large amount of ends
The Internet of Things data that end equipment is reported, the embodiment of the present invention is not limited.
It can be seen that, the routing iinformation table updating method for implementing the edge forwarding node described by Fig. 2 can be according to convergence unit
Actual demand by equipment of the newly-increased and residing geographical position for the terminal device in convergence unit geographical position interested
Mark is updated to the route information table of edge forwarding node, reduces the update times of route information table, and then reduce edge
The power consumption of forward node.
Embodiment two
Referring to Fig. 3, Fig. 3 is the route information table renewal side of another edge forwarding node disclosed in the embodiment of the present invention
The schematic flow sheet of method.As shown in figure 3, the routing iinformation table updating method of the edge forwarding node can include following operation：
301st, edge forwarding node receives the interest instruction message that filtering gateway is issued, and the interest indicates that message is used to indicate
The Internet of Things data that convergence unit is reported to the terminal device in target geographic position is interested.
302nd, edge forwarding node intercepts the Internet of Things data that the great amount of terminals equipment in its wireless coverage is reported, should
Internet of Things data is including residing for data content, the device identification for the terminal device for reporting the Internet of Things data and the terminal device
Geographical position.
303rd, when exist in above-mentioned multiple terminal devices residing geographical position be above-mentioned target geographic position multiple ends
During end equipment, edge forwarding node judges to whether there is the road that device identification is not stored in previously generating in the plurality of terminal device
By at least one terminal device in information table, when the judged result of step 303 is is, triggering performs step 304, works as step
When 303 judged result is no, this flow can be terminated, i.e., the route information table of edge forward node is not updated.
304th, edge forwarding node is judged at least one above-mentioned terminal device with the presence or absence of the terminal device passed by, works as step
When rapid 304 judged result is no, triggering performs step 305, when the judged result of step 304 is is, triggering execution step
306。
In the embodiment of the present invention, edge forwarding node was judged at least one above-mentioned terminal device with the presence or absence of the end passed by
End equipment can include：
Neighboring forwarding node of the edge forwarding node into its wireless coverage sends inquiry request, and the inquiry request is used
Whether it is stored with least one above-mentioned end in the route information table of request neighboring forwarding node inquiry neighboring forwarding node storage
The device identification of one of terminal device in end equipment；
Edge forwarding node receives the inquiry response that neighboring forwarding node is returned, when one of inquiry response indicates correspondence
Neighboring forwarding node storage route information table in be stored with one of terminal device at least one above-mentioned terminal device
Device identification when, determine there is the terminal device that passes by least one above-mentioned terminal device, when any one inquiry response
It is not stored with least one above-mentioned terminal device in the route information table for all indicating corresponding neighboring forwarding node storage any
During the device identification of one terminal device, determine that the terminal device passed by is not present at least one above-mentioned terminal device.
305th, the device identification of each terminal device at least one above-mentioned terminal device is added to by edge forwarding node
In route information table.
306th, edge forwarding node is by the terminal device at least one terminal device in addition to the terminal device passed by
Device identification is added in route information table.
In an optional embodiment, the routing iinformation table updating method of the edge forwarding node can also include following
Operation：
Edge forwarding node judges to whether there is the device identification of offline terminal device in above-mentioned route information table, when sentencing
Break when the device identification that there is offline terminal device, the equipment that offline terminal device is deleted from above-mentioned route information table
Mark, wherein, offline terminal device is the terminal for not reporting Internet of Things data to edge forwarding node in preset time period
Equipment, and offline terminal device can include the terminal device that has damaged and/or in long-time closed mode
Terminal device and/or device identification have been added to the terminal device of the route information table of neighboring forwarding node.
The optional embodiment in time can delete the device identification for the terminal device having been off from route information table
Remove, be conducive to the immediate updating of Internet of Things topological structure in Internet of Things framework.
In another optional embodiment, the routing iinformation table updating method of the edge forwarding node can also include with
Lower operation：
Institute in the corresponding all terminal devices of device identification stored in the above-mentioned route information table of edge forwarding node statistics
The geographical position at place reports the frequency that reports of Internet of Things data for the target terminal equipment of above-mentioned target geographic position, and to the mesh
Frequency is reported to report frequency up-regulation instruction less than the default terminal device transmission for reporting frequency threshold in mark terminal device.So may be used
The reliability for the Internet of Things data that the terminal device for receiving its geographical position interested with raising convergence unit is reported.
Further alternative in an alternative embodiment, the route information table of the edge forwarding node updates
Method can also include following operation：
Edge forwarding node is that frequency is reported in above-mentioned target terminal equipment less than above-mentioned pre- in above-mentioned route information table
If reporting the device identification of the terminal device of frequency threshold to set reports priority, wherein, report frequency smaller, setting is reported
Priority is bigger.So can when receiving the Internet of Things data that the terminal device for reporting frequency relatively low is reported can according to for
Its priority set preferentially report the part Internet of Things data or be preferably part Internet of Things data selection reliability compared with
High forward-path, further increases convergence unit and receives what its terminal device that is interested and reporting frequency relatively low was reported
The reliability of Internet of Things data.
It can be seen that, the routing iinformation table updating method of the edge forwarding node described by implementing Fig. 3 can be according to convergence unit
Actual demand by equipment of the newly-increased and residing geographical position for the terminal device in convergence unit geographical position interested
Mark is updated to the route information table of edge forwarding node, reduces the update times of route information table, and then reduce edge
The power consumption of forward node, facilitates the maintenance of network topology in Internet of Things framework, and be by increase newly and residing geographical position
When the device identification of the terminal device in convergence unit geographical position interested is updated to the route information table of edge forwarding node,
The terminal device passed by temporarily is fallen in automatic fitration, so can further reduce the update times of route information table and need more
New content.
Embodiment three
Referring to Fig. 4, Fig. 4 is a kind of structural representation of edge forwarding node disclosed in the embodiment of the present invention.Such as Fig. 4 institutes
Show, the edge forwarding node 400 can include receiving unit 401, intercept unit 402, judging unit 403 and adding device
404, wherein：
Receiving unit 401 is used to receive the interest instruction message that filtering gateway is issued, wherein, the interest indicates that message is used for
Indicate that the Internet of Things data that convergence unit is reported to the terminal device in target geographic position is interested.
Intercepting unit 402 is used to intercept the Internet of Things data that the great amount of terminals equipment in its wireless coverage is reported, its
In, the Internet of Things data can be including data content, the device identification for the terminal device for reporting the Internet of Things data and the end
Geographical position residing for end equipment.
Judging unit 403 is for being target geographic position when there is residing geographical position in above-mentioned great amount of terminals equipment
During multiple terminal devices, judge to whether there is the routing iinformation that device identification is not stored in previously generating in the plurality of terminal device
At least one terminal device in table.
Adding device 404 be used for when judging unit 403 judge to exist in above-mentioned multiple terminal devices it is above-mentioned at least one
During terminal device, the device identification of each terminal device at least one terminal device is added in route information table.
It can be seen that, implementing edge forwarding node 400 described by Fig. 4 can will be newly-increased according to the actual demand of convergence unit
And residing geographical position is updated to edge forwarding for the device identification of the terminal device in convergence unit geographical position interested
The route information table of node, reduces the update times of route information table, and then reduces the power consumption of edge forwarding node.
In an optional embodiment, the edge forwarding node 400 can also include deleting unit 405, now, the side
The structure of edge forward node 400 can be with as shown in figure 5, Fig. 5 be another edge forwarding node disclosed in the embodiment of the present invention
Structural representation.Wherein：
The equipment that judging unit 403 can be also used for judging whether there is in above-mentioned route information table offline terminal device
Mark, wherein, the offline terminal device is the end for not reporting Internet of Things data to edge forwarding node in preset time period
End equipment, and offline terminal device can include the terminal device that has damaged and/or be in long-time closed mode
Terminal device and device identification have been added to neighboring forwarding node route information table terminal device.
Deleting unit 405 is used for when judging unit 403 judges to exist the device identification of above-mentioned offline terminal device,
The device identification of above-mentioned offline terminal device is deleted from above-mentioned route information table.
It can be seen that, implement the edge forwarding node 400 described by Fig. 5 can delete in time in route information table be in from
The device identification of the terminal device of wire state, is conducive to the maintenance of Internet of Things net topology in Internet of Things framework.
Optionally, judging unit 403 can be also used for having above-mentioned at least one in above-mentioned multiple terminal devices are judged
By the device identification of each terminal device at least one above-mentioned terminal device after individual terminal device and in adding device 404
Before added in route information table, judge at least one above-mentioned terminal device with the presence or absence of the terminal device that passes by, when sentencing
Break at least one above-mentioned terminal device be not present pass by terminal device when, triggering adding device 404 perform it is above-mentioned near
The operation that the device identification of each terminal device is added in route information table in a few terminal device.That is, adding device 404
Specifically for when existing in above-mentioned multiple terminal devices at least one above-mentioned terminal device and at least one above-mentioned terminal device
During in the absence of the terminal device passed by, the device identification of each terminal device at least one above-mentioned terminal device is added to road
In information table.
Adding device 404 can be also used for when judging unit 403 judge to exist at least one above-mentioned terminal device it is upper
When stating the terminal device passed by, by the terminal device at least one above-mentioned terminal device in addition to the above-mentioned terminal device passed by
Device identification be added to above-mentioned route information table in.
It can be seen that, the edge forwarding node 400 described by implementation Fig. 5 can also filter out newly-increased residing geographical position and be
The terminal device passed by the terminal device of unit target geographic position interested is converged, edge forwarding node is reduced
The 400 more new content when updating route information table.
Further alternative, the edge forwarding node 400 can also include statistic unit 406 and transmitting element 407, again
It is further alternative, setup unit 408 can also be included, now, the structure of the edge forwarding node 400 can with as shown in fig. 6,
As shown in fig. 6, Fig. 6 is the structural representation of another edge forwarding node disclosed in the embodiment of the present invention.Wherein：
Statistic unit 406 is used to count in the corresponding all terminal devices of device identification stored in above-mentioned route information table
Residing geographical position reports frequency for what the target terminal equipment of above-mentioned target geographic position reported Internet of Things data.
What transmitting element 407 was used for the target terminal equipment counted according to statistic unit 406 reports frequency whole to target
Frequency is reported to report frequency up-regulation instruction less than the default terminal device transmission for reporting frequency threshold in end equipment.
Setup unit 408 is used to be to report frequency less than default in above-mentioned target terminal equipment in above-mentioned route information table
The device identification setting of the terminal device of frequency threshold is reported to report priority, wherein, report frequency smaller, reporting for setting is excellent
First level is bigger.
It can be seen that, the edge forwarding node 600 implemented described by Fig. 6 can be emerging for convergence unit sense to residing geographical position
The terminal device transmission for reporting frequency relatively low of Internet of Things data is reported to report frequency in the terminal device of the target geographic position of interest
Rate up-regulation instruct and for these terminal devices device identification set it is high report priority, improve convergence unit and receive place
The reliability for the Internet of Things data that terminal device in its geographical position interested is reported.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable recording medium, storage
Medium include read-only storage (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only storage (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only storage
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact
Disc Read-Only Memory, CD-ROM) or other disk storages, magnetic disk storage, magnetic tape storage or can
For carrying or any other computer-readable medium of data storage.
The routing iinformation table updating method and edge of a kind of edge forwarding node disclosed in the embodiment of the present invention are turned above
Hair node is described in detail, and specific case used herein is set forth to the principle and embodiment of the present invention,
The explanation of above example is only intended to the method and its core concept for helping to understand the present invention；Simultaneously for the one of this area
As technical staff, according to the present invention thought, will change in specific embodiments and applications, to sum up institute
State, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of routing iinformation table updating method of edge forwarding node, it is characterised in that methods described includes：
The edge forwarding node receives the interest instruction message that filtering gateway is issued, and the interest indicates that message is used to indicate to converge
The Internet of Things data that poly- unit is reported to the terminal device in target geographic position is interested；
The edge forwarding node intercepts the Internet of Things data that the great amount of terminals equipment in its wireless coverage is reported, the thing
Networking data is including residing for data content, the device identification for the terminal device for reporting the Internet of Things data and the terminal device
Geographical position；
When there are the multiple terminal devices that residing geographical position is the target geographic position in the great amount of terminals equipment,
The edge forwarding node judges to whether there is the route that device identification is not stored in previously generating in the multiple terminal device
At least one terminal device in information table, when judging there is at least one described terminal device in the multiple terminal device
When, the device identification of each terminal device at least one described terminal device is added in the route information table.
2. the routing iinformation table updating method of edge forwarding node according to claim 1, it is characterised in that methods described
Also include：
The edge forwarding node judges to whether there is the device identification of offline terminal device in the route information table, when sentencing
Break when the device identification that there is the offline terminal device, the offline terminal is deleted from the route information table and is set
Standby device identification, the offline terminal device is not report Internet of Things to the edge forwarding node in preset time period
The terminal device of data.
3. the routing iinformation table updating method of edge forwarding node according to claim 1 or 2, it is characterised in that sentencing
Break and in the multiple terminal device after at least one terminal device in the presence of described in, and it is described by least one described terminal
Before the device identification of each terminal device is added in the route information table in equipment, methods described also includes：
The edge forwarding node judged at least one described terminal device with the presence or absence of the terminal device passed by, when judging
During the terminal device passed by described in being not present at least one described terminal device, triggering performs described by least one described end
The operation that the device identification of each terminal device is added in the route information table in end equipment；
Methods described also includes：
When the terminal device for judging to pass by the presence of described at least one described terminal device, the edge forwarding node will
The device identification of terminal device at least one described terminal device in addition to the terminal device passed by is described in
In route information table.
4. the routing iinformation table updating method of the edge forwarding node according to claim any one of 1-3, it is characterised in that
Methods described also includes：
Institute in the corresponding all terminal devices of device identification stored in route information table described in the edge forwarding node statistics
The geographical position at place reports the frequency that reports of Internet of Things data for the target terminal equipment of the target geographic position, and to described
Frequency is reported to report frequency up-regulation instruction less than the default terminal device transmission for reporting frequency threshold in target terminal equipment.
5. the routing iinformation table updating method of edge forwarding node according to claim 4, it is characterised in that methods described
Also include：
The edge forwarding node is that frequency is reported in the target terminal equipment less than described pre- in the route information table
If reporting the device identification of the terminal device of frequency threshold to set reports priority, wherein, report frequency smaller, setting is reported
Priority is bigger.
6. a kind of edge forwarding node, it is characterised in that the edge forwarding node includes receiving unit, intercepts unit, judgement
Unit and adding device, wherein：
The receiving unit, indicates message, the interest indicates that message is used to indicate for receiving the interest that filtering gateway is issued
The Internet of Things data that convergence unit is reported to the terminal device in target geographic position is interested；
Described to intercept unit, the Internet of Things data that the great amount of terminals equipment for intercepting in its wireless coverage is reported is described
Internet of Things data is including residing for data content, the device identification for the terminal device for reporting the Internet of Things data and the terminal device
Geographical position；
The judging unit, for being the target geographic position when there is residing geographical position in the great amount of terminals equipment
Multiple terminal devices when, judge in the multiple terminal device to be not stored in the route that previously generates with the presence or absence of device identification
At least one terminal device in information table；
The adding device, for judging there is at least one described end in the multiple terminal device when the judging unit
During end equipment, the device identification of each terminal device at least one described terminal device is added to the route information table
In.
7. edge forwarding node according to claim 6, it is characterised in that the judging unit, is additionally operable to judge described
It whether there is the device identification of offline terminal device in route information table, the offline terminal device is in preset time period
Do not report the terminal device of Internet of Things data to the edge forwarding node inside；
The edge forwarding node also includes deleting unit, wherein：
The deletion unit, for when the judging unit judges to exist the device identification of the offline terminal device,
The device identification of the offline terminal device is deleted from the route information table.
8. the edge forwarding node according to claim 6 or 7, it is characterised in that the judging unit, is additionally operable to judging
Go out in the multiple terminal device to exist after at least one described terminal device and the adding device will described at least
Before the device identification of each terminal device is added in the route information table in one terminal device, at least one described in judgement
With the presence or absence of the terminal device that passes by individual terminal device, when judging that the road is not present at least one described terminal device
During the terminal device crossed, the adding device execution is triggered described by each terminal device at least one described terminal device
The operation that device identification is added in the route information table；
The adding device, is additionally operable to when the judging unit judges there is described pass by least one described terminal device
Terminal device when, by the equipment of the terminal device at least one described terminal device in addition to the terminal device passed by
Mark is added in the route information table.
9. the edge forwarding node according to claim any one of 6-8, it is characterised in that the edge forwarding node is also wrapped
Statistic unit and transmitting element are included, wherein：
The statistic unit, for counting institute in the corresponding all terminal devices of device identification stored in the route information table
The geographical position at place reports frequency for what the target terminal equipment of the target geographic position reported Internet of Things data；
The transmitting element, reports the terminal of frequency threshold to set for reporting frequency into the target terminal equipment less than default
Preparation serves report frequency up-regulation instruction.
10. edge forwarding node according to claim 9, it is characterised in that the edge forwarding node also includes setting
Unit, wherein：
The setup unit, for being that frequency is reported in the target terminal equipment less than described pre- in the route information table
If reporting the device identification of the terminal device of frequency threshold to set reports priority, wherein, report frequency smaller, setting is reported
Priority is bigger.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462985.3A CN107332776B (en) | 2017-06-19 | 2017-06-19 | Method for updating routing information table of edge forwarding node and edge forwarding node |
| PCT/CN2017/098499 WO2018232963A1 (en) | 2017-06-19 | 2017-08-22 | Edge forwarding node and routing information table updating method thereof |
Applications Claiming Priority (1)
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| CN201710462985.3A CN107332776B (en) | 2017-06-19 | 2017-06-19 | Method for updating routing information table of edge forwarding node and edge forwarding node |
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| CN107332776B CN107332776B (en) | 2020-04-07 |
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| WO (1) | WO2018232963A1 (en) |
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Also Published As
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| CN107332776B (en) | 2020-04-07 |
| WO2018232963A1 (en) | 2018-12-27 |
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