CN107948129A - Internet of Things mist calculating network system and its control method based on SDN - Google Patents
Internet of Things mist calculating network system and its control method based on SDN Download PDFInfo
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- CN107948129A CN107948129A CN201710960372.2A CN201710960372A CN107948129A CN 107948129 A CN107948129 A CN 107948129A CN 201710960372 A CN201710960372 A CN 201710960372A CN 107948129 A CN107948129 A CN 107948129A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The present invention provides a kind of Internet of Things mist calculating network system and its control method based on SDN, and the system comprises local subnet network, mist computing device, distribution SDN controllers and cloud computing equipment；Local subnet network includes data acquisition equipment, controlled plant and local SDN controllers, and data acquisition equipment and controlled plant are connected with each other with local SDN controllers respectively；The solicited message that distributed SDN controllers are used to dock received local SDN controllers transmission is verified, and sends request confirmation message to the mist computing device and the local SDN controllers.Internet of Things mist calculating network system and its control method provided by the invention based on SDN, pass through the classification to network system, realize that the classification certification to access device and the classification to data are handled, ensure that the safety of network, improve the efficiency of data processing and the utilization rate of Internet resources.
Description
Technical field
The present invention relates to internet of things field, more particularly to a kind of Internet of Things mist calculating network system based on SDN and
Its control method.
Background technology
Industrial Internet of Things is exactly the advantage by using internet, and fusion is transformed traditional industry and produced a kind of emerging
Development model.It is realized at industrial scene by various information sensing devices and technology, gather any required monitoring,
Information transmission, the facility information of interaction, in the transmission, calculating, analysis by internet into row information, afterwards feed back to result
One line operating personnel and production equipment are completed to perform.Internet of things equipment is numerous, scientifically designs the network system of Internet of Things, ability
It is enough that Internet of Things is carried out efficiently, accurately to control, so as to improve production efficiency.
In the prior art, the design of the network system of Internet of Things is broadly divided into two schemes：First, the thing of cloud computing is not included
Intranet network system, two include the network system of Internet of things of cloud computing, and data processing in the former scheme, analyze and draw
Control decision to equipment by local computing device the result is that completed.Data processing in latter solution, analysis with
And control decision to equipment is drawn the result is that being completed by the cloud computing platform at edge.
Above-mentioned two classes scheme is respectively present following deficiency：In scheme one, due to data processing, analyze and draw to controlled
The control decision result of equipment is completed by the computing device of local subnet network, and the computing device of local subnet network
Computing capability it is limited, the simple data in small-scale Internet of things system can only be analyzed and handled, in face of substantial amounts of
During data, its treatment effeciency substantially reduces, or even in face of can not be handled during complicated data at all；In scheme two, with Internet of Things
The continuous expansion of the scale of net, the data of magnanimity are all handled by cloud computing platform, and internet of things equipment access cloud computing platform
Certification work be also to be completed by cloud computing platform, and cloud computing platform apart from internet of things equipment farther out, propagation delay time is larger,
Cause the data-handling efficiency of cloud computing platform to reduce.
The content of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of Internet of Things mist calculating network system and its control method based on SDN, solves
The data-handling efficiency of Internet of things system is low in the prior art, the technical problem of security difference.
(2) technical solution
In order to solve the above-mentioned technical problem, on the one hand, the present invention provides a kind of Internet of Things mist calculating network system based on SDN
System, including：
Local subnet network, mist computing device, distribution SDN controllers and cloud computing equipment；
Between the local subnet network and the mist computing device, the mist computing device and the distribution SDN control
It is connected with each other between device and between distribution SDN controllers and the cloud computing equipment；
The local subnet network includes data acquisition equipment, controlled plant and local SDN controllers, the data acquisition and sets
Standby and described controlled plant is connected with each other with the local SDN controllers respectively, wherein, the data acquisition equipment is used to gather
Pending data, the local SDN controllers are used to analyze the pending data, and judge whether to need by described in
Pending data is sent to the mist computing device or cloud computing equipment and is handled, and the controlled plant is used to perform local
The control instruction of SDN controllers feedback；
The mist computing device is used to handle the pending data；
The distribution SDN controllers are used for the use state for monitoring the mist computing device, received described of docking
The solicited message that ground SDN controllers are sent is verified, and is sent to the mist computing device and the local SDN controllers
Ask confirmation message；
The cloud computing equipment is used to handle the pending data.
On the other hand, the present invention provides a kind of control method of the Internet of Things mist calculating network system based on SDN, including：
Local SDN controllers judge local subnet network is waited to locate described in whether handling according to the data type of pending data
Data are managed, if the pending data cannot be handled by judging to know, is sent to the first distribution SDN controllers and uses the first mist
The solicited message of computing device；
The first distribution SDN controllers are according to the solicited message using the first mist computing device to the local
SDN controllers and the first mist computing device send the request confirmation message using the first mist computing device；
The local SDN controllers please by data processing according to the request confirmation message using the first mist computing device
Information is asked to be sent to the first mist computing device；
The first mist computing device is handled the pending data according to the data processing request information.
Further, the request confirmation message using the first mist computing device includes access certificate.
Further, the method further includes：
After the first mist computing device handles the pending data, show that the decision-making of mist computing device is believed
Breath, and the mist computing device decision information is sent to the local SDN controllers；
The local SDN controllers send control instruction according to the mist computing device decision information to controlled plant, with
Indicate that the controlled plant performs the control instruction.
Further, the first mist computing device according to the data processing request information to the pending data into
Row processing is specially：
It is described pending that the first mist computing device according to the data processing request information judges whether it can be handled
Data；
If judgement knows that it can handle the pending data, the pending data is handled；
If judging to know that it cannot handle the pending data, sent to the first distribution SDN controllers and use the
The solicited message of two mist computing devices；
The first distribution SDN controllers are according to the solicited message using the second mist computing device to described second
Mist computing device sends the request confirmation message using the second mist computing device；
The data processing request information is sent to the second mist computing device by the first mist computing device；
The second mist computing device is according to the request confirmation message collaboration using the second mist computing device described the
One mist computing device handles the pending data.
Further, the first distribution SDN controllers are according to the solicited message using the second mist computing device
Sent to the second mist computing device and be specially using the request confirmation message of the second mist computing device：
The first distribution SDN controllers judge described the according to the solicited message using the second mist computing device
Whether two mist computing devices are in its monitoring range；
If judgement is informed in its monitoring range, is sent to the second mist computing device and use the second mist computing device
Request confirmation message；
If judgement is known not in its monitoring range, to the second distribution SDN belonging to the second mist computing device
Controller sends the request confirmation message using the second mist computing device；
Sent again from the described second distribution SDN controllers to the second mist computing device described using the calculating of the second mist
The request confirmation message of equipment.
Further, the local SDN controllers send to controlled plant according to the mist computing device decision information and control
Instruction processed is specially：
The local SDN controllers judge whether to need cloud computing equipment to institute according to the mist computing device decision information
Pending data is stated to be handled；
It is not required cloud computing equipment to handle the pending data if judgement is known, is calculated and set according to the mist
Standby decision information sends control instruction to controlled plant；
Need cloud computing equipment to handle the pending data if judgement is known, sent out to the cloud computing equipment
Send the data processing request information；
The cloud computing equipment is handled the pending data according to the data processing request information, draws cloud
Computing device decision information, and the cloud computing equipment decision information is sent to the local SDN controllers；
The local SDN controllers send control instruction according to the cloud computing equipment decision information to controlled plant.
Further, the mist computing device decision information at least carries controlled plant ID.
Further, the method further includes：
The local SDN controllers are encrypted to described using the solicited message of the first mist computing device.
Another further aspect, the present invention provide a kind of electronics for being used for Internet of Things mist calculating network system of the control based on SDN and set
It is standby, including：
Memory and processor, the processor and the memory complete mutual communication by bus；It is described to deposit
Reservoir is stored with the programmed instruction that can be performed by the processor, and it is above-mentioned that the processor calls described program instruction to be able to carry out
Method.
Another aspect, the present invention provide a kind of computer program product, and the computer program product includes being stored in non-
Computer program in transitory computer readable storage medium, the computer program include programmed instruction, when described program refers to
When order is computer-executed, the computer is set to perform above-mentioned method.
Another aspect, the present invention provide a kind of computer-readable recording medium, are stored thereon with computer program, the meter
Calculation machine program realizes above-mentioned method when being executed by processor.
(3) beneficial effect
Internet of Things mist calculating network system and its control method provided by the invention based on SDN, by network system
Classification, realize and the classification certification of access device and classification to pending data handled, ensure that the safety of network, improve
The efficiency of data processing, improves the utilization rate of Internet resources.
Brief description of the drawings
Fig. 1 is the schematic diagram of the Internet of Things mist calculating network system based on SDN according to the embodiment of the present invention；
Fig. 2 is the signal of the control method of the Internet of Things mist calculating network system based on SDN according to the embodiment of the present invention
Figure；
Fig. 3 believes to be sent to the data processing request of mist computing device according to the local SDN controllers of the embodiment of the present invention
The structure diagram of breath；
Fig. 4 is the mist computing device decision-making sent according to the mist computing device of the embodiment of the present invention to local SDN controllers
The structure diagram of information；
Fig. 5 is that the transmission link of the request mist computing device progress data processing according to the embodiment of the present invention establishes process
Schematic diagram；
Fig. 6 is the use sent according to the first mist computing device of the embodiment of the present invention to the first distribution SDN controllers
The structure diagram of the solicited message of second mist computing device；
Fig. 7 is that the transmission link of the second mist of request computing device cooperation progress data processing according to the embodiment of the present invention is built
The schematic diagram of vertical process one；
Fig. 8 is that the transmission link of the second mist of request computing device cooperation progress data processing according to the embodiment of the present invention is built
The schematic diagram of vertical process two；
Fig. 9 is the cloud computing equipment decision-making sent according to the cloud computing equipment of the embodiment of the present invention to local SDN controllers
The structure diagram of information；
Figure 10 is that the transmission link of the request cloud computing equipment progress data processing according to the embodiment of the present invention establishes process
Schematic diagram；
Figure 11 is that the electronics provided in an embodiment of the present invention for being used for Internet of Things mist calculating network system of the control based on SDN is set
Standby structure diagram.
Embodiment
In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in example, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment
It is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work, belong to the scope of protection of the invention.
Embodiment 1：
Fig. 1 is the schematic diagram of the Internet of Things mist calculating network system based on SDN according to the embodiment of the present invention, such as Fig. 1 institutes
To show, the embodiment of the present invention provides a kind of Internet of Things mist calculating network system based on SDN, including：
Local subnet network, mist computing device, distribution SDN controllers and cloud computing equipment；
Between the local subnet network and the mist computing device, the mist computing device and the distribution SDN control
It is connected with each other between device and between distribution SDN controllers and the cloud computing equipment；
The local subnet network includes data acquisition equipment, controlled plant and local SDN controllers, the data acquisition and sets
Standby and described controlled plant is connected with each other with the local SDN controllers respectively, wherein, the data acquisition equipment is used to gather
Pending data, the local SDN controllers are used to analyze the pending data, and judge whether to need by described in
Pending data is sent to the mist computing device or cloud computing equipment and is handled, and the controlled plant is used to perform local
The control instruction of SDN controllers feedback；
The mist computing device is used to handle the pending data；
The distribution SDN controllers are used for the use state for monitoring the mist computing device, received described of docking
The solicited message that ground SDN controllers are sent is verified, and is sent to the mist computing device and the local SDN controllers
Ask confirmation message；
The cloud computing equipment is used to handle the pending data.
Specifically, software defined network (Soft Defined Networking, abbreviation SDN) is a kind of new network
Architectural framework, it is to be intended to change in the scientific research project for being proposed and being presided over by a professor of Stanford Univ USA in 2004, SDN
Become existing and obtain complicated, multi-protocols standard network architecture, it is desirable to be able to innovate a kind of new internet communication pattern.It is led
Will the characteristics of for the decoupling and unitized programming interface of centralized Control, numerical control plane.Administrative staff can pass through unification
Programming interface, custom-configures the routing forwarding rule of network, and due to network equipment data forwarding plane and control plane
It is decoupling so that specific tasks, can quickly and easily be deployed in the equipment in control domain by real-time performance centralized Control,
Maintenance cost is reduced, shortens deployment cycle.
The structural system of SDN is applied in Internet of Things, can more comprehensively monitor the equipment work inside whole control domain
Make situation, and by the monitoring decision-making capability of SDN controllers, can dynamically distribute network bandwidth, Grooming Networks flow；This
Outside, SDN controllers, additionally it is possible to help to judge and transmission of the certification bottom data between Internet of Things framework, and can be to pass
Defeated data provide safety guarantee.
Internet of Things mist calculating network system provided in an embodiment of the present invention based on SDN can invent local network network layers,
Mist computing device layer, distribution SDN controller layers and cloud computing equipment layer.
Local network network layers include at least one local subnet network, and each local subnet network includes data acquisition equipment, controlled
Equipment and local SDN controllers, local subnet network can be the local area networks of factory, school, hospital or other unit, data
Collecting device includes various kinds of sensors, the mobile equipment or PLC device of all kinds of interim access local subnet networks, local SDN controls
Device processed completes information and collects and manage flow, and local SDN controllers can be mounted on home server, and home server has
Basic data-handling capacity, when being not required other network provided datas beyond local subnet network to handle service, local clothes
Business device handles the data of local subnet network.
Data acquisition equipment and controlled plant in local subnet network are connected with each other with local SDN controllers respectively, connection
Mode can be wired connection (Ethernet etc.), or be wirelessly transferred the side of (bluetooth, zigbee, wifi, GPRS/3G/4G/5G)
Formula.
Mist computing device layer includes at least one mist computing device, can be by wired between each mist computing device
Or wirelessly it is connected with each other.Mist computing device can be positioned at the server for interconnecting network edge, these server distributions
In the edge of internet, relative to cloud computing equipment layer closer to local network network layers.These servers possess better than local service
The data of device calculate and disposal ability, can carry out complex calculating.Local network network layers are determined by local SDN controllers
Plan determines whether data submitting to the processing of mist computing device layer.
Distributed SDN controller layers (zone controller) be located at cloud computing equipment layer and lower floor mist computing device layer it
Between.Distributed SDN controller layers include at least one distribution SDN controllers, can be by having between each mist computing device
Line is wirelessly connected with each other, they are mainly in charge of the mist computing device layer of network edge, monitors mist computing device layer
Performance, help the message transmission between different mist computing device layers, and serve as the certification go-between of whole network.
Cloud computing equipment layer includes at least one cloud computing equipment, and the master of whole SDN frameworks is run in cloud computing equipment
Controller, the controller management all distributed directors, and administer the message safety certification of whole network.In addition,
Cloud computing equipment layer will also receive the data for coming from local network network layers, and be calculated and divided using the powerful data of cloud computing equipment
Analysis ability, aid decision making simultaneously return.
Between local network network layers and mist computing device layer, between mist computing device layer and distribution SDN controller layers and
Can be by wired or be wirelessly connected with each other between distributed SDN controller layers and cloud computing equipment layer.
Internet of Things mist calculating network system provided by the invention based on SDN, passes through the classification to network system, realization pair
The classification certification of access device and the classification processing to pending data, ensure that the safety of network, improve data processing
Efficiency, improves the utilization rate of Internet resources.
Embodiment 2：
Fig. 2 is the signal of the control method of the Internet of Things mist calculating network system based on SDN according to the embodiment of the present invention
Figure, calculates as shown in Fig. 2, the embodiment of the present invention provides a kind of Internet of Things mist based on SDN controlled described in above-described embodiment
The method of network system, including：
Step S10, local SDN controllers judge whether local subnet network can be handled according to the data type of pending data
The pending data, if the pending data cannot be handled by judging to know, being sent to the first distribution SDN controllers makes
With the solicited message of the first mist computing device；
Step S20, described first distribution SDN controllers according to the solicited message using the first mist computing device to
The local SDN controllers and the first mist computing device send the request confirmation message using the first mist computing device；
Step S30, described local SDN controllers are according to the request confirmation message using the first mist computing device by number
The first mist computing device is sent to according to processing solicited message；
Step S40, described first mist computing device according to the data processing request information to the pending data into
Row processing.
Specifically, first, pending data is gathered by the data acquisition equipment in local subnet network, i.e. by all kinds of
Type end sensor and PLC carry out data acquisition.The species of sensor is varied, using the local subnet network as a factory
LAN exemplified by, the collection of a variety of data can be carried out to the identical product on assembly line, the type of data is according to factory
Production needs are chosen, and common sensor includes but not limited to：Temperature sensor, humidity sensor, air quality sensing
Device.The data collected include but not limited to：Equipment working state (start, operation, maintenance, shut down, check), the production time,
Current production model, yield, environment temperature, humidity etc..
Sensor and PLC are a variety of by wired, wireless, exchange intercommunication etc. by data after respective data are collected
In mode any one or it is a variety of, pending data is transferred at the local SDN controllers of local network network layers.
The data processing rule that in store factory defines in local SDN controllers, by examining data type,
Whether can complete processing task to the pending data, if judging to know institute if judging the data-handling capacity of local subnet network
Processing task to the pending data cannot be completed by stating the data-handling capacity of local subnet network, then distributed to first
SDN controllers send the solicited message using the first mist computing device.
After first distribution SDN controllers receive the solicited message using the first mist computing device, controlled to local SDN
Device and the first mist computing device send the request confirmation message using the first mist computing device.
After local SDN controllers receive the request confirmation message using the first mist computing device, by data processing request
Information is sent to the first mist computing device, and pending data are included in data processing request information.
After first mist computing device receives data processing request information, pending data is handled.
Further, the request confirmation message using the first mist computing device includes access certificate.
Specifically, the first distribution SDN controllers receive use the first mist computing device that local SDN controllers are sent
After solicited message, platform access authentication is provided for local SDN controllers.
Each distribution SDN controllers are the nodes passed through by the main SDN controllers certification in cloud computing equipment, it
Have been assigned certification lower level node access and mist computing device call authority.Distributed SDN controllers, which receive, to be come
From the solicited message of local SDN controllers, can be made after the correctness of identity has been verified according to current mist computing device
With state and current communications link state, an optimal mist computing device is distributed for it；Distributed SDN controllers can be sent
A pair of access certificate, for both access authentications, accesses certificate bag to local SDN controllers and the mist computing device being assigned to
It is contained in the request confirmation message using the first mist computing device.Local SDN controllers, can be to mist meter after access certificate is received
Calculate equipment and send data processing request information, connection is established in application, and transmits pending data.
Fig. 3 believes to be sent to the data processing request of mist computing device according to the local SDN controllers of the embodiment of the present invention
The structure diagram of breath, as shown in figure 3, the data processing request information includes, local subnet network ID, data acquisition equipment
ID, the data type of pending data, processing priority, access certificate and pending data.
Further, the method further includes：
After the first mist computing device handles the pending data, show that the decision-making of mist computing device is believed
Breath, and the mist computing device decision information is sent to the local SDN controllers；
The local SDN controllers send control instruction according to the mist computing device decision information to controlled plant, with
Indicate that the controlled plant performs the control instruction.
Specifically, running the decision data software of local subnet network selection on mist computing device, mist computing device receives
After the data processing request information that local SDN controllers are sent, calculated, analyzed locally according to the data processing request information
The working status and progress of equipment in sub-network, and the relevant result of decision is formulated, by result of decision mist computing device decision-making
The form of information is sent to local SDN controllers.After local SDN controllers receive mist computing device decision information, to controlled
Equipment sends control instruction, to indicate that the controlled plant performs the control instruction.
Further, the mist computing device decision information at least carries controlled plant ID.
Set specifically, Fig. 4 calculates for the mist computing device according to the embodiment of the present invention to the mist that local SDN controllers are sent
The structure diagram of standby decision information, it is local subnet network ID, controlled as shown in figure 4, the mist computing device decision information includes
Device id, the data type of pending data, processing priority, mist computing device processing mark and mist computing device decision-making knot
Fruit, wherein, the value of mist computing device processing mark is " normal ", represents to carry mist calculating in mist computing device decision information
Equipment decision-making result.
Mist computing device decision information includes controlled plant ID, more targeted can control specifically controlled set
It is standby, make control effect more accurate.
Fig. 5 is that the transmission link of the request mist computing device progress data processing according to the embodiment of the present invention establishes process
Schematic diagram, as shown in figure 5, establishing process for the transmission link of the above method.
Further, the above method further includes：
The local SDN controllers are encrypted to described using the solicited message of the first mist computing device.
Specifically, before local subnet network is linked into mist computing device, local SDN controllers are needed to using the first mist
The solicited message of computing device is encrypted, and encryption key is included in the solicited message using the first mist computing device
In, the first distribution SDN controllers need to verify the legitimacy of the local network network layers of access, the first distribution SDN controls
Device processed verifies that the request using the first mist computing device is believed to described using the solicited message of the first mist computing device
Breath includes at least, local subnet network ID, data acquisition equipment ID, the data type of pending data, processing priority, secret key
Judged according to local subnet network ID, data acquisition equipment ID and secret key described to use the first mist Deng, the first distribution SDN controllers
Whether the request of computing device is legal, and only when verifying legal, the first distribution SDN controllers just can be respectively to described first
Mist computing device and the local SDN controllers send the request confirmation message using the first mist computing device.By taking this
The measure of authentication, avoids attack of the virus to mist computing device and cloud computing equipment, improves security.
The control method of Internet of Things mist calculating network system provided by the invention based on SDN, by network system
Classification, realizes that the classification certification to access device and the classification to pending data are handled, ensure that the safety of network, improve
The efficiency of data processing, improves the utilization rate of Internet resources.
Embodiment 3：
The present embodiment is substantially the same manner as Example 2, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 2 is described, only illustrates the present embodiment difference from Example 2：
Further, the first mist computing device according to the data processing request information to the pending data into
Row processing is specially：
It is described pending that the first mist computing device according to the data processing request information judges whether it can be handled
Data；
If judgement knows that it can handle the pending data, the pending data is handled；
If judging to know that it cannot handle the pending data, sent to the first distribution SDN controllers and use the
The solicited message of two mist computing devices；
The first distribution SDN controllers are according to the solicited message using the second mist computing device to described second
Mist computing device sends the request confirmation message using the second mist computing device；
The data processing request information is sent to the second mist computing device by the first mist computing device；
The second mist computing device is according to the request confirmation message collaboration using the second mist computing device described the
One mist computing device handles the pending data.
Specifically, before the first mist computing device draws mist computing device decision information, the first mist computing device
Need to judge whether its data-handling capacity can complete the place to the pending data according to the data processing request information
Reason task.
When the pending data of request is fairly simple, the data-handling capacity of the first mist computing device can be completed to described
The processing task of pending data, then handled the pending data.
When the pending data of request is more complicated, the data-handling capacity of the first mist computing device cannot be completed to institute
The processing task of pending data is stated, then sends to the first distribution SDN controllers and is believed using the request of the second mist computing device
Breath；In the present embodiment, the second mist computing device is the mist computing device under the control of the first distribution SDN controllers.
After first distribution SDN controllers receive the solicited message using the second mist computing device, according to using second
The solicited message of mist computing device sends the request confirmation message using the second mist computing device to the second mist computing device；
Then, data processing request information is sent to the second mist computing device by the first mist computing device；
First mist computing device carries out pending data with the second mist computing device to cooperate with processing.
Fig. 6 is the use sent according to the first mist computing device of the embodiment of the present invention to the first distribution SDN controllers
The structure diagram of the solicited message of second mist computing device, as shown in fig. 6, the request packet using the second mist computing device
Include, the first mist computing device ID, the first distribution SDN controllers ID, the second mist computing device ID, the second distribution SDN controls
Device ID, access certificate and pending data, in the structure shown here, the first distribution SDN controllers ID and the first mist computing device ID
It is correspondence, the first distribution SDN controllers represent the cloth SDN controllers of the first mist computing device of control, the second distribution
Formula SDN controllers ID and the second mist computing device ID is correspondence, and the second distribution SDN controllers represent the second mist meter of control
The cloth SDN controllers of equipment are calculated, in the present embodiment, the first mist computing device and the second mist computing device are all first distributed
Mist computing device under the control of SDN controllers.
Fig. 7 is that the transmission link of the second mist of request computing device cooperation progress data processing according to the embodiment of the present invention is built
The schematic diagram of vertical process one, as shown in fig. 7, establishing process for the transmission link of the above method.
The control method of Internet of Things mist calculating network system provided by the invention based on SDN, by network system
Classification, realizes that the classification certification to access device and the classification to pending data are handled, ensure that the safety of network, improve
The efficiency of data processing, improves the utilization rate of Internet resources.
Embodiment 4：
The present embodiment is substantially the same manner as Example 3, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 3 is described, only illustrates the present embodiment difference from Example 3：
Further, the first distribution SDN controllers are according to the solicited message using the second mist computing device
Sent to the second mist computing device and be specially using the request confirmation message of the second mist computing device：
The first distribution SDN controllers judge described the according to the solicited message using the second mist computing device
Whether two mist computing devices are in its monitoring range；
If judgement is informed in its monitoring range, is sent to the second mist computing device and use the second mist computing device
Request confirmation message；
If judgement is known not in its monitoring range, to the second distribution SDN belonging to the second mist computing device
Controller sends the request confirmation message using the second mist computing device；
Sent again from the described second distribution SDN controllers to the second mist computing device described using the calculating of the second mist
The request confirmation message of equipment.
Specifically, after the first distribution SDN controllers receive the solicited message using the second mist computing device, according to
The request for using the second mist computing device is sent to the second mist computing device using the solicited message of the second mist computing device
, it is necessary to judge whether the second mist computing device belongs to it according to the solicited message using the second mist computing device before confirmation message
Within control range.
If judging to know that the second mist computing device belongs to the mist computing device in its control range, the is used according to described
The solicited message of two mist computing devices sends the request confirmation letter using the second mist computing device to the second mist computing device
Breath, detailed process have illustrated in above-described embodiment 3, and details are not described herein again.
If judgement knows that the second mist computing device is not belonging to the mist computing device in its control range, to second mist
The second distribution SDN controllers belonging to computing device send the request confirmation message using the second mist computing device；
Again asking using the second mist computing device is sent from the second distribution SDN controllers to the second mist computing device
Seek confirmation message.
Fig. 8 is that the transmission link of the second mist of request computing device cooperation progress data processing according to the embodiment of the present invention is built
The schematic diagram of vertical process two, as shown in figure 8, establishing process for the transmission link of the above method.
The control method of Internet of Things mist calculating network system provided by the invention based on SDN, by network system
Classification, realizes that the classification certification to access device and the classification to pending data are handled, ensure that the safety of network, improve
The efficiency of data processing, improves the utilization rate of Internet resources.
Embodiment 5：
The present embodiment and embodiment 2,3 or 4 are essentially identical, brief for description, in the description process of the present embodiment
In, no longer either 4 identical technical characteristics only illustrate that the present embodiment and embodiment 2,3 or 4 are different with embodiment 2,3 for description
Part：
Further, the local SDN controllers send to controlled plant according to the mist computing device decision information and control
Instruction processed is specially：
The local SDN controllers judge whether to need cloud computing equipment to institute according to the mist computing device decision information
Pending data is stated to be handled；
It is not required cloud computing equipment to handle the pending data if judgement is known, is calculated and set according to the mist
Standby decision information sends control instruction to controlled plant；
Need cloud computing equipment to handle the pending data if judgement is known, sent out to the cloud computing equipment
Send the data processing request information；
The cloud computing equipment is handled the pending data according to the data processing request information, draws cloud
Computing device decision information, and the cloud computing equipment decision information is sent to the local SDN controllers；
The local SDN controllers send control instruction according to the cloud computing equipment decision information to controlled plant.
Specifically, control letter is sent to controlled plant according to the mist computing device decision information in local SDN controllers
Before breath, it is necessary to according to the mist computing device decision information judge whether to need cloud computing equipment to the pending data into
Row processing, particularly the value of the mist computing device processing mark in the mist computing device decision information judge, when mist meter
The value for calculating equipment processing mark is " normal ", represents to carry mist computing device decision-making knot in mist computing device decision information
Fruit, it is not necessary to which cloud computing equipment handles the pending data, when the value of mist computing device processing mark is
" unhandle ", represents not carrying the mist computing device result of decision, it is necessary to cloud computing equipment in mist computing device decision information
The pending data is handled.
It is not required cloud computing equipment to handle the pending data if judgement is known, is calculated and set according to the mist
Standby decision information sends control information to controlled plant, and detailed process has illustrated in above-described embodiment 2,3 or 4,
Details are not described herein again.
Cloud computing equipment is needed to handle the pending data if judgement is known, it is distributed to described first
SDN controllers send the solicited message using cloud computing equipment；
The solicited message using cloud computing equipment is sent to by the cloud meter by the first distribution SDN controllers again again
Calculate equipment；
After cloud computing equipment receives the solicited message using cloud computing equipment, according to data processing request information to pending
Data are handled, and draw cloud computing equipment decision information, and cloud computing equipment decision information is sent to local SDN and is controlled
Device；Local SDN controllers send control information according to cloud computing equipment decision information to controlled plant.
Fig. 9 is the cloud computing equipment decision-making sent according to the cloud computing equipment of the embodiment of the present invention to local SDN controllers
The structure diagram of information, as shown in figure 9, the cloud computing equipment decision information includes, local subnet network ID, controlled plant
ID, cloud computing equipment processing mark and the cloud computing equipment result of decision.Cloud computing equipment decision information includes controlled plant ID,
More targeted specific controlled plant can be controlled, make control effect more accurate.
Figure 10 is that the transmission link of the request cloud computing equipment progress data processing according to the embodiment of the present invention establishes process
Schematic diagram, as shown in Figure 10, process is established for the transmission link of the above method.
The control method of Internet of Things mist calculating network system provided by the invention based on SDN, by network system
Classification, realizes that the classification certification to access device and the classification to pending data are handled, ensure that the safety of network, improve
The efficiency of data processing, improves the utilization rate of Internet resources.
Embodiment 6：
Figure 11 is that the electronics provided in an embodiment of the present invention for being used for Internet of Things mist calculating network system of the control based on SDN is set
Standby structure diagram, as shown in figure 11, the equipment include：Processor (processor) 801, memory (memory) 802
With bus 803；
Wherein, processor 801 and memory 802 complete mutual communication by the bus 803；
Processor 801 is used to call programmed instruction in memory 802, is provided with to perform above-mentioned each method embodiment
Method, such as including：
Local SDN controllers judge local subnet network is waited to locate described in whether handling according to the data type of pending data
Data are managed, if the pending data cannot be handled by judging to know, is sent to the first distribution SDN controllers and uses the first mist
The solicited message of computing device；
The first distribution SDN controllers are according to the solicited message using the first mist computing device to the local
SDN controllers and the first mist computing device send the request confirmation message using the first mist computing device；
The local SDN controllers please by data processing according to the request confirmation message using the first mist computing device
Information is asked to be sent to the first mist computing device；
The first mist computing device is handled the pending data according to the data processing request information.
Embodiment 7：
The embodiment of the present invention discloses a kind of computer program product, and the computer program product includes being stored in non-transient
Computer program on computer-readable recording medium, the computer program include programmed instruction, when described program instructs quilt
When computer performs, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including：
Local SDN controllers judge local subnet network is waited to locate described in whether handling according to the data type of pending data
Data are managed, if the pending data cannot be handled by judging to know, is sent to the first distribution SDN controllers and uses the first mist
The solicited message of computing device；
The first distribution SDN controllers are according to the solicited message using the first mist computing device to the local
SDN controllers and the first mist computing device send the request confirmation message using the first mist computing device；
The local SDN controllers please by data processing according to the request confirmation message using the first mist computing device
Information is asked to be sent to the first mist computing device；
The first mist computing device is handled the pending data according to the data processing request information.
Embodiment 8：
The embodiment of the present invention provides a kind of non-transient computer readable storage medium storing program for executing, the non-transient computer readable storage
Medium storing computer instructs, and the computer instruction makes the computer perform the side that above-mentioned each method embodiment is provided
Method, such as including：
Local SDN controllers judge local subnet network is waited to locate described in whether handling according to the data type of pending data
Data are managed, if the pending data cannot be handled by judging to know, is sent to the first distribution SDN controllers and uses the first mist
The solicited message of computing device；
The first distribution SDN controllers are according to the solicited message using the first mist computing device to the local
SDN controllers and the first mist computing device send the request confirmation message using the first mist computing device；
The local SDN controllers please by data processing according to the request confirmation message using the first mist computing device
Information is asked to be sent to the first mist computing device；
The first mist computing device is handled the pending data according to the data processing request information.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of programmed instruction is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
The embodiment such as device described above and equipment is only schematical, wherein described be used as separating component explanation
Unit may or may not be physically separate, may or may not be as the component that unit is shown
Physical location, you can with positioned at a place, or can also be distributed in multiple network unit.Can be according to the actual needs
Some or all of module therein is selected to realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying
In the case of performing creative labour, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
The part that technical solution substantially in other words contributes to the prior art is stated to embody in the form of software product, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Order is used so that a computer equipment (can be personal computer, server, or network equipment etc.) performs each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (10)
- A kind of 1. Internet of Things mist calculating network system based on SDN, it is characterised in that including：Local subnet network, mist computing device, distribution SDN controllers and cloud computing equipment；Between the local subnet network and the mist computing device, the mist computing device and the distribution SDN controllers it Between and distribution SDN controllers and the cloud computing equipment between be connected with each other；The local subnet network includes data acquisition equipment, controlled plant and local SDN controllers, the data acquisition equipment and The controlled plant is connected with each other with the local SDN controllers respectively, wherein, the data acquisition equipment is used to gather to wait to locate Data are managed, the local SDN controllers are used to analyze the pending data, and judge whether to need to wait to locate by described Reason data sending is handled to the mist computing device or cloud computing equipment, and the controlled plant is used to perform local SDN The control instruction of controller feedback；The mist computing device is used to handle the pending data；The distribution SDN controllers are used for the use state for monitoring the mist computing device, dock the received local SDN The solicited message that controller is sent is verified, and sends request to the mist computing device and the local SDN controllers Confirmation message；The cloud computing equipment is used to handle the pending data.
- A kind of 2. control method of the Internet of Things mist calculating network system based on SDN, it is characterised in that including：Local SDN controllers judge whether local subnet network can handle the pending number according to the data type of pending data According to if judging to know and cannot handle the pending data, being sent to the first distribution SDN controllers using the calculating of the first mist The solicited message of equipment；The first distribution SDN controllers are according to the solicited message using the first mist computing device to the local SDN Controller and the first mist computing device send the request confirmation message using the first mist computing device；The local SDN controllers are believed data processing request using the request confirmation message of the first mist computing device according to described Breath is sent to the first mist computing device；The first mist computing device is handled the pending data according to the data processing request information.
- 3. the according to the method described in claim 2, it is characterized in that, request confirmation message using the first mist computing device Including accessing certificate.
- 4. according to the method described in claim 2, it is characterized in that, further include：After the first mist computing device handles the pending data, mist computing device decision information is drawn, and The mist computing device decision information is sent to the local SDN controllers；The local SDN controllers send control instruction according to the mist computing device decision information to controlled plant, with instruction The controlled plant performs the control instruction.
- 5. according to the method described in claim 2, it is characterized in that, the first mist computing device please according to the data processing Information is asked to handle specially the pending data：The first mist computing device judges whether it can handle the pending data according to the data processing request information；If judgement knows that it can handle the pending data, the pending data is handled；If judgement knows that it cannot handle the pending data, sent to the first distribution SDN controllers and use the second mist The solicited message of computing device；The first distribution SDN controllers are according to the solicited message using the second mist computing device to the second mist meter Calculate equipment and send the request confirmation message for using the second mist computing device；The data processing request information is sent to the second mist computing device by the first mist computing device；The second mist computing device cooperates with first mist according to the request confirmation message using the second mist computing device Computing device handles the pending data.
- 6. according to the method described in claim 5, it is characterized in that, the first distribution SDN controllers are according to the use The solicited message of second mist computing device is sent to the second mist computing device to be confirmed using the request of the second mist computing device Information is specially：The first distribution SDN controllers judge second mist according to described using the solicited message of the second mist computing device Whether computing device is in its monitoring range；If judgement is informed in its monitoring range, asking using the second mist computing device is sent to the second mist computing device Seek confirmation message；If judgement is known not in its monitoring range, controlled to the second distribution SDN belonging to the second mist computing device Device sends the request confirmation message using the second mist computing device；Again the second mist computing device is used from the described second distribution SDN controllers to the second mist computing device transmission is described Request confirmation message.
- 7. according to the method described in claim 4, it is characterized in that, the local SDN controllers are according to the mist computing device Decision information sends control instruction to controlled plant：The local SDN controllers judge whether to need cloud computing equipment to treat to described according to the mist computing device decision information Processing data are handled；It is not required cloud computing equipment to handle the pending data if judgement is known, is determined according to the mist computing device Plan information sends control instruction to controlled plant；Need cloud computing equipment to handle the pending data if judgement is known, institute is sent to the cloud computing equipment State data processing request information；The cloud computing equipment is handled the pending data according to the data processing request information, draws cloud computing Equipment decision-making information, and the cloud computing equipment decision information is sent to the local SDN controllers；The local SDN controllers send control instruction according to the cloud computing equipment decision information to controlled plant.
- 8. according to the method described in claim 2, it is characterized in that, the mist computing device decision information at least carries controlled set Standby ID.
- 9. according to claim 2-8 any one of them methods, it is characterised in that further include：The local SDN controllers are encrypted to described using the solicited message of the first mist computing device.
- A kind of 10. electronic equipment for being used to control the Internet of Things mist calculating network system based on SDN, it is characterised in that including：Memory and processor, the processor and the memory complete mutual communication by bus；The memory The programmed instruction that can be performed by the processor is stored with, the processor calls described program instruction to be able to carry out right such as will Seek 2 to 9 any methods.
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