CN107370678A - A kind of routing forwarding table updating method and system applied to Internet of Things - Google Patents
A kind of routing forwarding table updating method and system applied to Internet of Things Download PDFInfo
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- CN107370678A CN107370678A CN201710463153.3A CN201710463153A CN107370678A CN 107370678 A CN107370678 A CN 107370678A CN 201710463153 A CN201710463153 A CN 201710463153A CN 107370678 A CN107370678 A CN 107370678A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
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Abstract
The present embodiments relate to internet of things field, discloses a kind of routing forwarding table updating method and system applied to Internet of Things, and this method includes：Convergence unit issues route configured information to forward node；Forward node receives the data message that upper hop internet of things equipment is sent；Upper hop internet of things equipment is the convergence unit either upper hop forward node of terminal device or forward node；Forward node judges whether data message matches route configured information；Forward node determines next-hop target forward node in all next-hop forward node neighbouring from forward node, it is identical with the route configured information of next-hop target forward node to route configured information when determining data message matching route configured information；Forward node updates the route forwarding table of forward node according to the IP address of upper hop internet of things equipment and the IP address of next-hop target forward node；Meet the route forwarding table of convergence unit route configured information for establishing, improve data-forwarding rate.
Description
Technical field
The present invention relates to internet of things field, and in particular to a kind of routing forwarding table updating method applied to Internet of Things
And system.
Background technology
Internet of Things (Internet of Things, abbreviation IOT) is exactly the connected internet of thing thing, is in Internet basic
The network that upper extension and extension obtain, and user terminal extends and extend between any article and article, can carry out letter
Breath exchanges and communication.Internet of Things passes through the terminals such as radio frequency identification equipment, infrared induction equipment, laser scanner, gas sensor
Equipment connects any article with internet, to realize Weigh sensor, positioning, tracking, monitoring and management.Terminal device
Internet of Things is accessed by forward node, data are uploaded to convergence unit, data caused by terminal device believed as convergence unit
Breath is analyzed and handled.Wherein, route forwarding table is the foundation of forward node forwarding data, and it is safeguarded and renewal and Internet of Things
An important research topic in net.
The content of the invention
The embodiment of the invention discloses a kind of routing forwarding table updating method and system applied to Internet of Things, for establishing
Meet the route forwarding table of the route configured information of convergence unit, realize targetedly data forwarding, improve data-forwarding rate,
Meet convergence unit logarithm it is believed that the demand of screening and the collection of breath.
First aspect present invention discloses a kind of routing forwarding table updating method applied to Internet of Things, it may include：
Convergence unit issues route configured information to forward node, and the route configured information includes the convergence unit
The device type interested of interested position information or the convergence unit；
The forward node receives the data message that upper hop internet of things equipment is sent, and the data message carried terminal is set
Standby positional information or the device type of the terminal device；The upper hop internet of things equipment is convergence unit or described
The upper hop forward node of terminal device or the forward node；
The forward node judges whether the data message matches the route configured information；
The forward node is when determining that the data message matches the route configured information, from the forward node
Determine next-hop target forward node in neighbouring all next-hop forward node, the route configured information with it is described next
The route configured information for jumping target forward node is identical；
The forward node is according to the Internet protocol address (Internet of the upper hop internet of things equipment
Protocol, abbreviation IP) address and the next-hop target forward node IP address, the route for updating the forward node turns
Deliver.
As an alternative embodiment, in first aspect present invention, the data message also carries transmission side
To sign, the forward node is after the data message matching route configured information is determined, and from institute
State before determining next-hop target forward node in the neighbouring all next-hop forward node of forward node, methods described is also wrapped
Include：
The transmission direction sign that the forward node carries according to the data message, determines the forwarding
The neighbouring next-hop internet of things equipment of node, the next-hop internet of things equipment include convergence unit and/or the forward node
Neighbouring all next-hop forward node or neighbouring all of the terminal device and/or the forward node next redirect
Send out node；
The forward node is determining that the next-hop internet of things equipment only includes neighbouring all of the forward node
During next-hop forward node, the neighbouring all next-hops forwarding of the forward node that the next-hop internet of things equipment is included
Node is defined as the neighbouring all next-hop forward node of the forward node, performs under neighbouring all of the forward node
The step of next-hop target forward node being determined in one jump forward node.
As an alternative embodiment, in first aspect present invention, methods described also includes：
The forward node is determining that the next-hop internet of things equipment includes the convergence unit or terminal
During equipment, according to the convergence unit or the IP address of the terminal device and the IP of the upper hop internet of things equipment
Address, update the route forwarding table of the forward node.
As an alternative embodiment, in first aspect present invention, methods described also includes：
The forward node judges the route when determining that the data message mismatches the route configured information
Whether forward table preserves the routing forwarding information of the terminal device；
The forward node is when determining that the route forwarding table preserves the routing forwarding information, from the route
The routing forwarding information is deleted in forward table.
As an alternative embodiment, in first aspect present invention, methods described also includes：
The forward node obtains the frequency of use of each routing forwarding information of the route forwarding table；
The forward node determines that the frequency of use is less than the target routing forwarding information of predeterminated frequency value, Yi Jicong
The target routing forwarding information is deleted in the route forwarding table.
Second aspect of the present invention discloses a kind of more new system of the route forwarding table applied to Internet of Things, it may include：
Unit is converged, for issuing route configured information to forward node, the route configured information includes the convergence
The device type interested of the interested position information of unit or the convergence unit；
The forward node is used for the data message for receiving the transmission of upper hop internet of things equipment, and the data message carries eventually
The device type of the positional information of end equipment or the terminal device；The upper hop internet of things equipment for convergence unit or
The upper hop forward node of the terminal device or the forward node；
The forward node is additionally operable to judge whether the data message matches the route configured information；
The forward node is additionally operable to when determining that the data message matches the route configured information, from described turn
Next-hop target forward node, the route configured information and institute are determined in the neighbouring all next-hop forward node of hair node
The route configured information for stating next-hop target forward node is identical；
The forward node is additionally operable to Internet protocol address IP address and institute according to the upper hop internet of things equipment
The IP address of next-hop target forward node is stated, updates the route forwarding table of the forward node.
As an alternative embodiment, in second aspect of the present invention, the data message also carries transmission side
To sign, the forward node is additionally operable to after the data message matching route configured information is determined, root
The transmission direction sign carried according to the data message, determines the neighbouring next-hop Internet of Things of the forward node
Equipment, the next-hop internet of things equipment include the neighbouring all next-hops forwarding section of convergence unit and/or the forward node
Point or the terminal device and/or the neighbouring all next-hop forward node of the forward node；Determine it is described next
When jumping internet of things equipment only includes the forward node neighbouring all next-hop forward node, the next-hop Internet of Things is set
The neighbouring all next-hop forward node of the standby forward node that includes are defined as neighbouring all next of the forward node
Forward node is jumped, and performs and determines that next-hop target forwards from the neighbouring all next-hop forward node of the forward node
Node.
As an alternative embodiment, in second aspect of the present invention, the forward node is additionally operable to determining
When the next-hop internet of things equipment includes the convergence unit or the terminal device, according to the convergence unit or institute
The IP address of terminal device and the IP address of the upper hop internet of things equipment are stated, the route for updating the forward node turns
Deliver.
As an alternative embodiment, in second aspect of the present invention, the forward node is additionally operable to determining
When the data message mismatches the route configured information, judge whether the route forwarding table preserves the terminal device
Routing forwarding information；When determining that the route forwarding table preserves the routing forwarding information, from the routing forwarding
The routing forwarding information is deleted in table.
As an alternative embodiment, in second aspect of the present invention, the forward node is additionally operable to described in acquisition
The frequency of use of each routing forwarding information of route forwarding table；Determine that the frequency of use is less than the mesh of predeterminated frequency value
Routing forwarding information is marked, and the target routing forwarding information is deleted from the route forwarding table.
Compared with prior art, the embodiment of the present invention has the advantages that：
In embodiments of the present invention, unit is converged by issuing route configured information to forward node, route instruction letter
Breath includes converging the interested position information of unit or converges the device type interested of unit；Afterwards, forward node is connecing
Receive upper hop internet of things equipment transmission data message when, judge data message carry terminal device positional information or
Whether the device type of terminal device matches route configured information, if it does, forward node all next redirects from neighbouring
Next-hop target forward node is determined in hair node, wherein, route configured information and this turn of next-hop target forward node
The route configured information for sending out node is identical；Afterwards, forward node is according to the IP address and next-hop mesh of upper hop internet of things equipment
The IP address of forward node is marked, updates the route forwarding table of forward node.As can be seen that implement the embodiment of the present invention, Neng Goujian
The route forwarding table of the vertical route configured information for meeting convergence unit, it is served only for forwarding convergence unit terminal device phase interested
(including the data message that is reported by convergence unit terminal device interested or convergence unit are handed down to this to the data message of pass
The data message of a little terminal devices), targetedly data forwarding is realized, improves data-forwarding rate, meets convergence unit logarithm
It is believed that the demand of screening and the collection of breath.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below 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 Internet of Things framework schematic diagram disclosed in some embodiments of the invention；
Fig. 2 is the schematic flow sheet of the disclosed routing forwarding table updating method applied to Internet of Things of the embodiment of the present invention；
Fig. 3 is another flow signal of the disclosed routing forwarding table updating method applied to Internet of Things of the embodiment of the present invention
Figure；
Fig. 4 is the structural representation of the disclosed route forwarding table more new system applied to Internet of Things of 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 describes, it is clear that described embodiment is only part of the embodiment of the present 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, belongs to the scope of protection of the invention.
It should be noted that the term " comprising " and " having " of the embodiment of the present invention and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
The embodiment of the invention discloses a kind of routing forwarding table updating method applied to Internet of Things, meets remittance for establishing
The route forwarding table of the route configured information of poly- unit, it is served only for the related data of forwarding convergence unit terminal device interested
Message (including the data message or convergence unit reported by convergence unit terminal device interested is handed down to these terminals and set
Standby data message), realize targetedly data forwarding.The embodiment of the invention also discloses a kind of route applied to Internet of Things
Forward table more new system.
Before technical solution of the present invention is introduced, Internet of Things framework disclosed in some embodiments of the invention is simply first introduced,
Fig. 1 is Internet of Things framework schematic diagram disclosed in some embodiments of the invention, it is necessary to which explanation, Fig. 1 are only some realities of the invention
Apply Internet of Things framework schematic diagram disclosed in example, it is other obtained schematic diagram is optimized or deformed on the basis of Fig. 1 to belong to
Protection scope of the present invention, no longer illustrate one by one herein.The equipment that Internet of Things is related to is referred to as internet of things equipment, internet of things equipment
It can functionally be classified as three layers according to the Internet of Things framework shown in Fig. 1：Respectively include terminal device layer, forward node layer with
And convergence three layers of elementary layer.Wherein, terminal device layer includes the magnanimity terminal equipment positioned at Internet of Things network edge, such as humidity
Meter, smoke detector, ventilation equipment, rain sensor, irrigation valve etc.；Forward node layer can include a large amount of forward node, these
It can pass through the network interconnection between substantial amounts of forward node (Fig. 1 is not entirely shown).In forward node layer, forward node can be with
It is the various intermediate equipments such as router, repeater, the embodiment of the present invention is not construed as limiting.Convergence elementary layer can include money order
Member, wherein, convergence unit is used as the man-machine interface of Internet of Things in this Internet of Things framework, for by forward node to whole
Internet of Things carries out top management, including collects the data that the magnanimity terminal equipment in certain time reports, and data are analyzed
And decision-making, it is then converted into simple early warning, exception or the correlation report needed for user；Converging unit can also be by bristling with anger
Order goes to obtain information or configurating terminal device parameter (now terminal device is pointed in the transmission of data)；Convergence unit can also draw
Enter various incoming traffics, from big data to social networks, even share from social tool " thumbing up " to weather.In addition, forwarding
Node can use the Networking protocol of any standard, and forward node can realize data solution between different network formats
Analysis；In the Internet of Things framework shown in Fig. 1, each forward node can be the sea in its own wireless network institute coverage
Measure terminal device and Internet of Things data transmitting-receiving service is provided, wherein, in each forward node own wireless network institute coverage
Each terminal device can be built-in with wireless communication module, this allows each forward node to lead to by wireless network
News mode communicates wirelessly with each terminal device in own wireless network institute coverage.In the Internet of Things shown in Fig. 1
In planar network architecture, the wireless communication module built in terminal device can input frequency 470MHz, lower frequency in production
Communication frequency band can be defined as 470MHz~510MHz by 510MHz, such wireless communication module automatically, to meet Chinese SRRC
The regulation of standard；Or frequency 868MHz can also be inputted, lower frequency 908MHz, such wireless communication module can be automatic
Communication frequency band is defined as 868MHz~908MHz, to meet the regulation of European etsi standard；Or frequency can be inputted
Communication frequency band can be defined as 918MHz~928MHz by 918MHz, lower frequency 928MHz, such wireless communication module automatically, with
Meet the regulation of U.S.'s FCC standards；Or the communication frequency band of wireless communication module can also be defined as meeting Japanese ARIB standards
Or the regulation of Canadian IC standards, the embodiment of the present invention are not construed as limiting.In the Internet of Things framework shown in Fig. 1, terminal device can
With using frequency division multiplexing (Frequency Division Multiple Access, FDMA), frequency hopping (Frequency-
Hopping Spread Spectrum, FHSS), dynamic Time Division multiplexing (Dynamic Time Division Multiple
Access, DTDMA), keep out of the way method that multiplexing (CSMA) is combined to solve interference problem.
From the Internet of Things framework shown in Fig. 1, below in conjunction with specific embodiment, technical solution of the present invention is carried out detailed
Describe in detail bright.
Embodiment one
Referring to Fig. 2, Fig. 2 is the stream of the disclosed routing forwarding table updating method applied to Internet of Things of the embodiment of the present invention
Journey schematic diagram；As shown in Fig. 2 a kind of routing forwarding table updating method applied to Internet of Things may include：
201st, convergence unit issues route configured information to forward node, and the route configured information includes the sense of convergence unit
Location of interest information or the device type interested for converging unit；
It is appreciated that in embodiments of the present invention, convergence unit can specify it to thirst for and some specific functions, period
Either the terminal device in device type or geographical position is communicated, that is to say, that convergence unit can by geographical position or
Person's device type etc., the data message that terminal device reports is screened and collected.Therefore, in embodiments of the present invention, converge
Poly- unit than interested position information as the above-mentioned or interested sets the corresponding information of its terminal device interested
Standby type etc., the route configured information of route forwarding table is established as instruction forward node, and be sent to forward node.Forwarding section
After point receives route configured information, original route forwarding table is updated so that the route forwarding table is served only for forwarding money order
The related data message of member terminal device interested (including the data message reported by convergence unit terminal device interested
Or convergence unit is handed down to the data message of these terminal devices).For example, unit is converged to being supervised in certain four counties area under one's jurisdiction
The humidity sensor for controlling all farmlands is interested, then can be emerging as the sense of convergence unit using the positional information in four counties area under one's jurisdiction
Interesting positional information or the device type interested using humidity sensor as convergence unit.Convergence unit can indicate this four
The part forward node in county area under one's jurisdiction, for the data message that humidity sensor gathers preferentially to be reported into convergence unit, money order
The device type of this four counties area under one's jurisdiction positional information or humidity sensor is handed down to forward node by member, so as to forward node root
Come newly-built according to route configured information and update corresponding route forwarding table, the reason forward table is served only for forwarding this four county's linchpins
The data message that the humidity sensor in area is sent, can will preferentially converge the data of unit humidity sensor collection interested
Message reports convergence unit.
As an alternative embodiment, convergence unit can select special son using frequency-hopping mode from transmission band
Carrier channel, route configured information is then issued to forward node using dedicated subcarriers channel.
For example, dedicated subcarriers channel can be selected between 100MHz~1GHz with frequency-hopping mode, be selected
A sub-carrier channels between 100MHz~1GHz are as the dedicated subcarriers channel for issuing route configured information.In addition, specially
It can also be selected with sub-carrier channels according to the quality of channel.
As an alternative embodiment, convergence elementary layer also includes filtering gateway, convergence unit will route instruction letter
Breath is sent to filtering gateway, and filtering gateway is handed down to forward node by configured information is route.
Further, filtering gateway can use frequency-hopping mode after the route configured information that convergence unit is sent is received
Dedicated subcarriers channel is selected from transmission band, route instruction is then issued to forward node using dedicated subcarriers channel
Information.
202nd, forward node receives the data message that upper hop internet of things equipment is sent, data message carried terminal equipment
The device type of positional information or terminal device；Upper hop internet of things equipment is convergence unit either terminal device or forwarding
The upper hop forward node of node；
It is appreciated that the Internet of Things that upper hop internet of things equipment here specifically refers to directly interact with forward node is set
Standby, the internet of things equipment can be that terminal device either converges unit or other forward node.
203rd, forward node judges whether data message matches route configured information；
Wherein, forward node judges whether data message matches route configured information and specifically refer to：Forward node judges number
Whether the interested position information or device type interested carried according to message matches route configured information.Forward node is true
When determining data message matching route configured information, step 204 is turned to；Forward node is it is determined that data message mismatches route instruction
During information, the specific introduction in embodiment two can be referred to, will not be repeated here.
204th, forward node determines next-hop target forward node, the road from neighbouring all next-hop forward node
It is identical with the route configured information of next-hop target forward node by configured information；
It should be noted that in embodiments of the present invention, the next-hop internet of things equipment based on forward node is forwarding
Node, when by data message forwarding to terminal device or convergence unit, forward node can contemplate different next redirect
Send out node.But in embodiments of the present invention, forward node need from numerous next-hop forward node select outbound path it is optimal,
And next-hop forward node route configured information matches it and route the next-hop target forward node of configured information.
205th, forward node is according to the IP address of upper hop internet of things equipment and the IP address of next-hop target forward node,
Update the route forwarding table of forward node.
As an alternative embodiment, during stating embodiment on the implementation, forward node obtains routing forwarding
The frequency of use of each routing forwarding information of table；Forward node determines that frequency of use is less than the target road of predeterminated frequency value
By forwarding information, and the delete target routing forwarding information from route forwarding table.In this embodiment, forward node may be used also
To detect the frequency of use of the routing forwarding information in route forwarding table periodically, determine that frequency of use is less than predeterminated frequency value
Target routing forwarding information, target routing forwarding information can be deleted from route forwarding table, so as to upgrade in time route
Forward table, out-of-date routing forwarding information is deleted, avoids route forwarding table excessive, committed memory.
In embodiments of the present invention, unit is converged by issuing route configured information to forward node, route instruction letter
Breath includes converging the interested position information of unit or converges the device type interested of unit；Afterwards, forward node is connecing
Receive upper hop internet of things equipment transmission data message when, judge data message carry terminal device positional information or
Whether the device type of terminal device matches route configured information, if it does, forward node all next redirects from neighbouring
Next-hop target forward node is determined in hair node, wherein, route configured information and this turn of next-hop target forward node
The route configured information for sending out node is identical；Afterwards, forward node is according to the IP address and next-hop mesh of upper hop internet of things equipment
The IP address of forward node is marked, updates the route forwarding table of forward node.As can be seen that the road for meeting convergence unit can be established
By the route forwarding table of configured information, be served only for the related data message of forwarding convergence unit terminal device interested (including
The data message or convergence unit that are reported by convergence unit terminal device interested are handed down to the data of these terminal devices
Message), targetedly data forwarding is realized, improves data-forwarding rate, meets convergence unit logarithm it is believed that screening and the receipts of breath
The demand of collection.
Embodiment two
Referring to Fig. 3, Fig. 3 is the another of the disclosed routing forwarding table updating method applied to Internet of Things of the embodiment of the present invention
One schematic flow sheet；As shown in figure 3, a kind of routing forwarding table updating method applied to Internet of Things may include：
301st, convergence unit issues route configured information to forward node, and the route configured information includes the sense of convergence unit
Location of interest information or the device type interested for converging unit；
302nd, forward node receives the data message that upper hop internet of things equipment is sent, data message carried terminal equipment
The device type and transmission direction sign of positional information or terminal device；Upper hop internet of things equipment is money order
First either upper hop forward node of terminal device or forward node；
Wherein, transmission direction sign is also carried in data message, the transmission direction sign is used to indicate this
Data message is sent to terminal device or indicates that the data message is sent to convergence unit.
303rd, forward node judges whether data message matches route configured information；
Wherein, forward node turns to step 304 when determining data message matching route configured information；Forward node
When determining that data message mismatches route configured information, step 308 is turned to.
304th, the transmission direction sign that forward node carries according to data message, under determining that forward node is neighbouring
One jumps internet of things equipment, and next-hop internet of things equipment includes the neighbouring all next-hops forwarding of convergence unit and/or forward node
Node or the neighbouring all next-hop forward node of terminal device and/or forward node；
305th, forward node is determining that next-hop internet of things equipment only includes neighbouring all of forward node and next redirect
When sending out node, the neighbouring all next-hop forward node of forward node that next-hop internet of things equipment includes are defined as forwarding section
The neighbouring all next-hop forward node of point；
As an alternative embodiment, forward node determine next-hop internet of things equipment include convergence unit or
During person's terminal device, according to unit or the IP address of terminal device and the IP address of upper hop internet of things equipment is converged, more
The route forwarding table of new forward node.In this embodiment, if next-hop internet of things equipment include convergence unit or
Terminal device, then illustrate, forward node can be given data message forwarding directly with convergence unit or terminal equipment in communication
Unit or terminal device are converged, without passing through other forward node again, transmission path can be shortened, improve transmission rate.
306th, forward node determines next-hop target forward node from neighbouring all next-hop forward node, route
Configured information is identical with the route configured information of next-hop target forward node；
307th, forward node turns according to the Internet protocol address IP address and next-hop target of upper hop internet of things equipment
The IP address of node is sent out, updates the route forwarding table of forward node；
308th, forward node judges whether route forwarding table preserves the routing forwarding information of the terminal device；
Wherein, forward node turns to when determining that route forwarding table preserves the routing forwarding information of the terminal device
Step 309；Forward node terminates stream when determining that route forwarding table does not preserve the routing forwarding information of the terminal device
Journey.
309th, forward node deletes the routing forwarding information of the terminal device from route forwarding table.
In embodiments of the present invention, forward node is when receiving data message, if the terminal that data message carries is set
Standby positional information or the device type matching route configured information of terminal device, further determine that the next-hop of forward node
Internet of things equipment, if next-hop internet of things equipment only has forward node, the forward node will be from next-hop forward node really
The next-hop target forward node that route configured information matches with its reason configured information is made, then according to upper hop Internet of Things
The IP address of net equipment and the IP address renewal route forwarding table of next-hop target forward node；If next-hop internet of things equipment
Include convergence unit or terminal device, forward node according to the IP address and convergence unit of upper hop internet of things equipment or
The IP address renewal route forwarding table of terminal device so that it is interested that the route forwarding table after renewal is served only for forwarding convergence unit
The related data message of terminal device (including the data message reported by convergence unit terminal device interested or convergence
Unit is handed down to the data message of these terminal devices), realize targetedly data forwarding.
Embodiment three
Referring to Fig. 4, Fig. 4 is the knot of the disclosed route forwarding table more new system applied to Internet of Things of the embodiment of the present invention
Structure schematic diagram；As shown in figure 4, a kind of route forwarding table applied to Internet of Things more new system may include：
Unit 410 is converged, for issuing route configured information to forward node 420, route configured information includes money order
The interested position information of member 410 or the device type interested for converging unit 410；
Forward node 420 is used for the data message for receiving the transmission of upper hop internet of things equipment, and data message carried terminal is set
Standby 430 positional information or the device type of terminal device 430；Upper hop internet of things equipment is for convergence unit 410 or eventually
The upper hop forward node of end equipment 430 or forward node 420；
Forward node 420 is additionally operable to judge whether data message matches route configured information；
Forward node 420 is additionally operable to when determining data message matching route configured information, neighbouring from forward node 420
All next-hop forward node in determine next-hop target forward node, route configured information saves with the forwarding of next-hop target
The route configured information of point is identical；
Forward node 420 is additionally operable to Internet protocol address IP address and next-hop mesh according to upper hop internet of things equipment
Mark forward node, IP address, update forward node 420 route forwarding table.
Specifically, convergence unit 410 can select dedicated subcarriers channel using frequency-hopping mode from transmission band, then
Route configured information is issued to forward node 420 using dedicated subcarriers channel.
For example, dedicated subcarriers channel can be selected between 100MHz~1GHz with frequency-hopping mode, be selected
A sub-carrier channels between 100MHz~1GHz are as the dedicated subcarriers channel for issuing route configured information.In addition, specially
It can also be selected with sub-carrier channels according to the quality of channel.
As an alternative embodiment, convergence elementary layer also includes filtering gateway, convergence unit 410 will route and indicate
Information is sent to filtering gateway, and filtering gateway is handed down to forward node 420 by configured information is route.
Further, filtering gateway can use frequency hopping side after the route configured information that convergence unit 410 is sent is received
Formula selects dedicated subcarriers channel from transmission band, then issues the road to forward node 420 using dedicated subcarriers channel
By configured information.
Specifically, forward node 420 judges whether data message matches route configured information and specifically refer to：Forward node
420 judge whether the interested position information of data message carrying or device type interested match route configured information.
As an alternative embodiment, data message also carries transmission direction sign, forward node 420 is also
For determine data message matching route configured information after, according to data message carry transmission direction sign,
Determine the neighbouring next-hop internet of things equipment of forward node 420, next-hop internet of things equipment include convergence unit 410 and/or
Forward node 420 neighbouring all next-hop forward node or terminal device 430 and/or forward node 420 are neighbouring to be owned
Next-hop forward node；Determining next-hop internet of things equipment only including the neighbouring all next-hops forwarding of forward node 420
During node, the neighbouring all next-hop forward node of forward node 420 that next-hop internet of things equipment includes are defined as forwarding
The neighbouring all next-hop forward node of node 420, and perform from the neighbouring all next-hop forward node of forward node 420
The step of determining next-hop target forward node.
As an alternative embodiment, forward node 420 is additionally operable to determining that next-hop internet of things equipment includes
When converging unit 410 or terminal device 430, according to convergence unit 410 or the IP address of terminal device 430 and upper one
The IP address of internet of things equipment is jumped, updates the route forwarding table of forward node 420.
As an alternative embodiment, forward node 420 be additionally operable to determine data message mismatch route refer to
When showing information, judge whether route forwarding table preserves the routing forwarding information of terminal device 430；Determining route forwarding table
When preserving routing forwarding information, routing forwarding information is deleted from route forwarding table.
As an alternative embodiment, each route that forward node 420 is additionally operable to obtain route forwarding table turns
The frequency of use of photos and sending messages；Determine that frequency of use is less than the target routing forwarding information of predeterminated frequency value, and turn from route
Deliver middle delete target routing forwarding information.In this embodiment, forward node 420 can also detect routing forwarding periodically
The frequency of use of routing forwarding information in table, determine that frequency of use is less than the target routing forwarding information of predeterminated frequency value,
Target routing forwarding information can be deleted from route forwarding table, so as to the route forwarding table that upgrades in time, delete out-of-date road
By forwarding information, avoid route forwarding table excessive, committed memory.
In the present invention, forward node 420 is when receiving data message, if the terminal device that data message carries
430 positional information or the device type matching route configured information of terminal device 430, further determine that forward node 420
Next-hop internet of things equipment, if next-hop internet of things equipment only has forward node 420, the forward node 420 will be from next
Jump and determine to route the next-hop target forward node that configured information matches with its reason configured information in forward node, then
According to the IP address of upper hop internet of things equipment and the IP address of next-hop target forward node renewal route forwarding table；Under if
One jump internet of things equipment includes convergence unit 410 or terminal device 430, forward node 420 are set according to upper hop Internet of Things
Standby IP address and the IP address of convergence unit 410 or terminal device 430 renewal route forwarding table so that the route after renewal
Forward table is served only for the related data message of forwarding convergence unit 410 terminal device interested 430 (including by convergence unit
Data message or convergence unit 410 that 410 terminal devices 430 interested report are handed down to the number of these terminal devices 430
According to message).
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.
A kind of routing forwarding table updating method and system applied to Internet of Things disclosed in the embodiment of the present invention is entered above
Go and be discussed in detail, specific case used herein is set forth to the principle and embodiment of the present invention, and the above is implemented
The explanation of example is only intended to help the method and its core concept for understanding the present invention；Meanwhile for the general technology people of this area
Member, according to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, this explanation
Book content should not be construed as limiting the invention.
Claims (10)
- A kind of 1. routing forwarding table updating method applied to Internet of Things, it is characterised in that including：Convergence unit issues route configured information to forward node, and the sense that the route configured information includes the convergence unit is emerging The device type interested of interesting positional information or the convergence unit；The forward node receives the data message that upper hop internet of things equipment is sent, the data message carried terminal equipment The device type of positional information or the terminal device；The upper hop internet of things equipment is convergence unit or the terminal The upper hop forward node of equipment or the forward node；The forward node judges whether the data message matches the route configured information；The forward node is neighbouring from the forward node when determining that the data message matches the route configured information All next-hop forward node in determine next-hop target forward node, the route configured information and the next-hop mesh The route configured information for marking forward node is identical；Internet protocol address IP address and the next-hop mesh of the forward node according to the upper hop internet of things equipment The IP address of forward node is marked, updates the route forwarding table of the forward node.
- 2. according to the method for claim 1, it is characterised in that the data message also carries transmission direction indicateing arm Know, the forward node saves after the data message matching route configured information is determined, and from the forwarding Before determining next-hop target forward node in the neighbouring all next-hop forward node of point, methods described also includes：The transmission direction sign that the forward node carries according to the data message, determines the forward node Neighbouring next-hop internet of things equipment, the next-hop internet of things equipment includes convergence unit and/or the forward node is neighbouring All next-hop forward node or the terminal device and/or the forward node it is neighbouring all next-hops forwarding section Point；The forward node is determining that the next-hop internet of things equipment only includes neighbouring all next of the forward node When jumping forward node, the neighbouring all next-hop forward node of the forward node that the next-hop internet of things equipment is included It is defined as the neighbouring all next-hop forward node of the forward node, performs from the neighbouring all next-hops of the forward node The step of next-hop target forward node is determined in forward node.
- 3. according to the method for claim 2, it is characterised in that methods described also includes：The forward node is determining that the next-hop internet of things equipment includes the convergence unit or terminal device When, unit or the IP address of the terminal device and the IP address of the upper hop internet of things equipment are converged according to described, Update the route forwarding table of the forward node.
- 4. according to the method described in any one of claims 1 to 3, it is characterised in that methods described also includes：The forward node judges the routing forwarding when determining that the data message mismatches the route configured information Whether table preserves the routing forwarding information of the terminal device；The forward node is when determining that the route forwarding table preserves the routing forwarding information, from the routing forwarding The routing forwarding information is deleted in table.
- 5. according to the method for claim 1, it is characterised in that methods described also includes：The forward node obtains the frequency of use of each routing forwarding information of the route forwarding table；The forward node determines that the frequency of use is less than the target routing forwarding information of predeterminated frequency value, and from described The target routing forwarding information is deleted in route forwarding table.
- A kind of 6. route forwarding table applied to Internet of Things more new system, it is characterised in that including：Unit is converged, for issuing route configured information to forward node, the route configured information includes the convergence unit Interested position information or it is described convergence unit device type interested；The forward node is used for the data message for receiving the transmission of upper hop internet of things equipment, and the data message carried terminal is set Standby positional information or the device type of the terminal device；The upper hop internet of things equipment is convergence unit or described The upper hop forward node of terminal device or the forward node；The forward node is additionally operable to judge whether the data message matches the route configured information；The forward node is additionally operable to when determining that the data message matches the route configured information, from the forwarding section Determine next-hop target forward node in the neighbouring all next-hop forward node of point, the route configured information with it is described under The route configured information of one jump target forward node is identical；The forward node be additionally operable to according to the Internet protocol address IP address of the upper hop internet of things equipment and it is described under One jumps the IP address of target forward node, updates the route forwarding table of the forward node.
- 7. system according to claim 6, it is characterised in that the data message also carries transmission direction indicateing arm Know, the forward node is additionally operable to after the data message matching route configured information is determined, according to the number The transmission direction sign carried according to message, determines the neighbouring next-hop internet of things equipment of the forward node, institute State next-hop internet of things equipment include convergence unit and/or the neighbouring all next-hop forward node of the forward node or The terminal device and/or the neighbouring all next-hop forward node of the forward node；Determining the next-hop Internet of Things When net equipment only includes the forward node neighbouring all next-hop forward node, the next-hop internet of things equipment is included The neighbouring all next-hop forward node of the forward node be defined as the neighbouring all next-hops forwarding of the forward node Node, and perform and determine next-hop target forward node from the neighbouring all next-hop forward node of the forward node.
- 8. system according to claim 7, it is characterised in that：The forward node is additionally operable to determining that the next-hop internet of things equipment includes the convergence unit or end During end equipment, according to the IP address and the upper hop internet of things equipment of the convergence unit or the terminal device IP address, update the route forwarding table of the forward node.
- 9. according to the system described in any one of claim 6~8, it is characterised in that：The forward node is additionally operable to, when determining that the data message mismatches the route configured information, judge the road The routing forwarding information of the terminal device whether is preserved by forward table；Determining that it is described that the route forwarding table is preserved During routing forwarding information, the routing forwarding information is deleted from the route forwarding table.
- 10. system according to claim 6, it is characterised in that：The forward node is additionally operable to obtain the frequency of use of each routing forwarding information of the route forwarding table；Determine The frequency of use is less than the target routing forwarding information of predeterminated frequency value, and the mesh is deleted from the route forwarding table Mark routing forwarding information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710463153.3A CN107370678B (en) | 2017-06-19 | 2017-06-19 | Method and system for updating routing forwarding table applied to Internet of things |
| PCT/CN2017/098496 WO2018232960A1 (en) | 2017-06-19 | 2017-08-22 | Routing forwarding table updating method and system applied to internet of things |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710463153.3A CN107370678B (en) | 2017-06-19 | 2017-06-19 | Method and system for updating routing forwarding table applied to Internet of things |
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| CN107370678B CN107370678B (en) | 2020-04-14 |
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| CN115002153A (en) * | 2022-05-24 | 2022-09-02 | 天津大学 | Novel power distribution system communication method and device based on Internet of things |
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| CN107370678B (en) | 2020-04-14 |
| WO2018232960A1 (en) | 2018-12-27 |
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