CN109981769A - Network cooperating model, method and device towards industrial intelligent manufacture - Google Patents
Network cooperating model, method and device towards industrial intelligent manufacture Download PDFInfo
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- CN109981769A CN109981769A CN201910216881.3A CN201910216881A CN109981769A CN 109981769 A CN109981769 A CN 109981769A CN 201910216881 A CN201910216881 A CN 201910216881A CN 109981769 A CN109981769 A CN 109981769A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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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
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The present invention relates to internet areas, specifically disclose it is a kind of towards industrial intelligent manufacture network cooperating model, method and device, including SDN network cooperation model, master controller device and margin control device based on edge calculations, and be related to the key technology of industry internet network Topology Management: distributed network topology finds method, network state consistent update method, Network anomaly detection and restoration methods.The present invention can be realized equipment, application and the unified management of system and centralized control to industrial intelligent manufacture, solve the problems, such as topological quick discovery, state consistency update, abnormal automatic recovery from industrial network level.
Description
Technical field
The present invention relates to internet area, it is specially a kind of towards industrial intelligent manufacture network cooperating model, method and
Device.
Background technique
The fast development of " internet+" pushes industrial manufacturing based on digital, networking, intelligent fast development, in " interconnection
Under net+" Collaborative Manufacturing mode, industrial manufacturing enterprise no longer independently carries out centralized production, design research and development, manufactures, marketing
Service, then customer demand is based oneself upon, multiparty collaboration completion is not needed from business, order, fund, production, logistics to none is serviced,
Therefore, industrial intelligent Internet-based is manufactured as manufacturing future development important directions.
From the point of view of key technology angle, industry manufacture Internet-based needs technology of Internet of things, emerging network and information
The multi-field technical support such as technology, artificial intelligence technology.Wherein, the interconnection technology of network level and net collaboration technology rise
The effect formed a connecting link to device data and application service.If the scope of net collaboration technology research work is expanded to interconnection
Net, correlative study work are broadly divided into three classes: the net collaboration technology based on cloud computing, the network cooperating skill based on edge calculations
Art and network management and the coordination technique for being based on software defined network (Software-defined Network, SDN).
Net collaboration technology based on cloud computing occurs earliest, by cloud service to third party's service provide the network interconnection and
Data are synchronous, but due to the physical distance of cloud service and the network equipment usually farther out, network delay is higher, network bandwidth is limited etc.
Factor, based on the net collaboration technology of cloud computing is higher there are the response time, communication quality is poor, security risk is higher etc. no
Foot.
Net collaboration technology based on edge calculations solves the performance and safety problem of above-mentioned cloud computing, but distributed network
The management difficulty and maintenance cost of network node fast lifting with the increase of node size.
Net collaboration technology based on SDN solves the management service of above-mentioned network node, communication path and network topology
Difficulty, but do not consider that the placement problem of controller still will lead to network cooperating and Topology Discovery occurs compared with slow, network state is different
It causes and Network Abnormal restores slow situation.
Summary of the invention
The purpose of the present invention is to provide it is a kind of towards industrial intelligent manufacture network cooperating model, method and device, with
Solve the problems mentioned above in the background art.
, industrial manufacturing industry various for industrial manufacturing apparatus isomery business it is polynary it is abundant, environment of industrial network is complicated and diversified
Feature, this patent propose a kind of network cooperating model towards industrial intelligent manufacture, combination of edge computing technique and SDN technology,
The neighbouring calculating that both plays respectively, storage, the advantage of the characteristics of communicating and the management of the latter, control, maintenance, manage and control
Equipment, application and the system that the industrial business manufactured, order, fund, production, logistics, service etc. are related to, from industrial network
Level solves the problems, such as that topological quickly discovery, state consistency update, exception is automatic and restores, and ensures that the data of industrial data level are same
Step, safe and reliable, the personalized customization of solution industry manufacture, networked coordination, the intelligent metaplasia of data sharing and data backup
The demand of production.
To achieve the above object, the invention provides the following technical scheme:
A kind of control device for network cooperating, including master controller and margin control, described device are used for
Support distributed network topology discovery, network state consistent update and Network anomaly detection and recovery.
A kind of SDN network cooperation model based on edge calculations, including sequentially connected data collection layer, the network integration
Layer, Edge position control layer and center control layer；
The data collection layer: being made of data acquisition equipment, application and system, including Internet of Things awareness apparatus, interconnection
Network Communication equipment, service network terminal device and data-oriented acquisition, fusion, statistics, calculate, analysis, excavate etc. specific business
Application and system；
The network integration layer: by IIoT gateway and its data fusion provided, network integration service, OpenFlow generation
Reason, and the Overlay started by OpenFlow agentbased control service composition；
The data fusion service is used to support all data convergence of data collection layer, and Overlay service can be used for mentioning
For network transmission tunnel, OpenFlow agency margin control between establish have for receive control instruction, perform script and
The OpenFlow control channel of networking rule；
The Edge position control layer: it is made of OpenFlow margin control and Topology Management service；
It establishes between OpenFLow margin control and master controller for receiving and issuing control instruction
OpenFlow control channel is established between margin control and IIoT gateway for perform script and networking rule
OpenFlow control channel；
The margin control is placed in the physical edge position of adjacent I IoT gateway；
The center control layer: it by the OpenFLow controller for managing OpenFLow margin control and is based on
The Topology Management service of Quagga software router is constituted.
A kind of industry internet network Topology Management method of servicing, the method is based on Quagga software router, for managing
Reason and maintenance distributed network node, execute discovering network topology, updating network state, Network anomaly detection and recovery；
Distributed network node: including centralized controller node and margin control node；Network Abnormal and reparation: it is used for
IIoT gateway unusual condition caused by processing controller node failure.
Further, the network cooperating management service method, including a kind of distributed network topology find method, described
Whole topology is divided into edge calculations network topology and the network topology that interconnects by method；
Controller for supporting distributed network topology to find is by OPC/OPEC, Quagga software router and its offer
Ospf protocol and bgp protocol service and directed acyclic graph/DAG subgraph storage organization composition.
Further, edge calculations network topology is made of master controller discovery lower edge controller, the two structure
At a double layer network based on the connection of OpenFlow agreement, which carries out topological hair using the method based on ospf protocol
Now with management, and according to margin control upload local topology DAG subgraph generate Global Topological DAG；
The network topology that interconnects is related to the heterogeneous network equipment under margin control, IIoT gateway and gateway；
The network topology that interconnects is made of margin control discovery lower layer IIoT gateway, which, which uses, is based on BGP
The method of agreement carries out Topology Discovery and management, and in the DAG subgraph of local computing layer network topology, finally by local topology
DAG subgraph is uploaded to master controller by control channel.
Further, the network cooperating management service method further includes a kind of network state consistent update method, institute
Stating method includes more new stage and deletion stage；
In the more new stage, the networking rule of the internal node in addition to traffic ingress node is updated first, then more
The networking rule of new flow Ingress node retains primitive network rule in the operation of more new stage；
The networking rule includes static routing rule, policybased routing rule, the machine forward rule, GRE networking rule etc.
Overlay service network rule；
In the deletion stage, waiting in threshold time, determine traffic ingress outlet there is no the appearance of primary flow amount,
Delete the primitive network rule of all nodes.
Further, the network cooperating management service method further includes a kind of Network anomaly detection and recovery side
Method, the method includes the detection methods of heartbeat keepalive mechanism and disconnection reconnecting mechanism based on the long connection of control channel, and
The Network Abnormal restoration methods of feedback operation are carried out to testing result；
Preferably, the network anomaly detection method are as follows: on still inactive after controller node is more than threshold number ζ
Line, it is believed that node failure can not restore automatically；
The Network Abnormal include margin control Single Point of Faliure, margin control whole failure, master controller failure,
Center/margin control partial fault, controller whole failure.
Preferably, the Network Abnormal restoration methods include the following steps:
X. master controller guarantees to be directly switch to after host node breaks down from node, edge using master-slave back-up mode
Controller node is actively and master controller from node establishes control channel；
Y. margin control node once breaks down, the margin control node that IIoT gateway preferentially selects other neighbouring
Establish control channel；
Z. if margin control node whole failure, it is logical that IIoT gateway actively establishes control with centralized controller node
Road.
Compared with prior art, the beneficial effects of the present invention are:
Network-control model proposed by the present invention towards industrial intelligent manufacture, can be realized the industry to industrial intelligent manufacture
The unified management and centralized control of equipment, application and system that business, order, fund, production, logistics, service etc. are related to, from
Industrial network level solves the problems, such as that topological quickly discovery, state consistency update, exception is automatic and restores, and has ensured industrial data level
Data are synchronous, data sharing and data backup it is safe and reliable, solve personalized customization, the networking association of industry manufacture
The demand of same, intelligent production, the network cooperating of the invention supporting industry intelligence manufacture and other " internets+" fusion row
Industry interconnect and network cooperating, specific implementation application after have remarkable result.
Detailed description of the invention
Fig. 1 is that the present invention is based on the SDN network Collaborative Control model schematics of edge calculations；
Fig. 2 is the basic principle schematic that distributed network topology of the present invention finds method；
Fig. 3 is the basic principle schematic of inventive network state consistency update method；
Fig. 4 is the basic principle schematic of inventive network abnormal conditions and restoration methods；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Set/offer ", " connection ", etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Fig. 1~4 are please referred to, the present invention provides a kind of technical solution: a kind of control device for network cooperating, including
Master controller and margin control, described device is for supporting distributed network topology discovery, network state consistent update
With Network anomaly detection and recovery.
A kind of SDN network cooperation model based on edge calculations, including sequentially connected data collection layer, the network integration
Layer, Edge position control layer and center control layer.
The data collection layer: being made of data acquisition equipment, application and system, including Internet of Things awareness apparatus, interconnection
Network Communication equipment, service network terminal device and data-oriented acquisition, fusion, statistics, calculate, analysis, excavate etc. specific business
Application and system；
The data acquisition equipment, application and system be related to industry manufacture service management, order management, capital management,
The whole process such as production management, logistics management, service management.
The network integration layer: by IIoT gateway and its data fusion provided, network integration service, OpenFlow generation
Reason and Overlay service composition；
Overlay service: being started by OpenFlow agentbased control, and provides definition, safe and reliable network transmission on demand
Tunnel.
The data fusion service is used to support all data convergence of data collection layer, and Overlay service can be used for mentioning
For network transmission tunnel, OpenFlow agency margin control between establish have for receive control instruction, perform script and
The OpenFlow control channel of networking rule.
The Edge position control layer: it is made of OpenFlow margin control and Topology Management service；
It establishes between OpenFLow margin control and master controller for receiving and issuing control instruction
OpenFlow control channel is established between margin control and IIoT gateway for perform script and networking rule
OpenFlow control channel；
The margin control is placed in the physical edge position of adjacent I IoT gateway, and more low latency expeditiously manages
With control IIoT gateway.
The center control layer: it by the OpenFLow controller for managing OpenFLow margin control and is based on
The Topology Management service of Quagga software router is constituted.
A kind of industry internet network Topology Management method of servicing, the method is based on Quagga software router, for managing
Reason and maintenance distributed network node, execute discovering network topology, updating network state, Network anomaly detection and recovery；
Distributed network node: including centralized controller node and margin control node；
Network Abnormal and reparation: for IIoT gateway unusual condition caused by processing controller node failure.
The network cooperating management service method, including a kind of distributed network topology find method, and the method will be whole
Body topology is divided into edge calculations network topology and the network topology that interconnects；
Controller for supporting distributed network topology to find is by OPC/OPEC, Quagga software router and its offer
Ospf protocol and bgp protocol service and directed acyclic graph/DAG subgraph storage organization composition.
The edge calculations network topology is made of master controller discovery lower edge controller, and the two constitutes one
Based on the double layer network of OpenFlow agreement connection, which carries out Topology Discovery and pipe using the method based on ospf protocol
Reason, and Global Topological DAG is generated according to the local topology DAG subgraph that margin control uploads；
The network topology that interconnects is related to the heterogeneous network equipment under margin control, IIoT gateway and gateway；
The network topology that interconnects is made of margin control discovery lower layer IIoT gateway, which, which uses, is based on BGP
The method of agreement carries out Topology Discovery and management, and in the DAG subgraph of local computing layer network topology, finally by local topology
DAG subgraph is uploaded to master controller by control channel.
The network cooperating management service method further includes a kind of network state consistent update method, the method packet
Include more new stage and deletion stage；
In the more new stage, the networking rule of the internal node in addition to traffic ingress node is updated first, then more
The networking rule of new flow Ingress node retains primitive network rule in the operation of more new stage；
The networking rule includes static routing rule, policybased routing rule, the machine forward rule, GRE networking rule etc.
Overlay service network rule；
It in the deletion stage, is waiting in threshold time C, is determining that there is no primary flows to measure for traffic ingress outlet
It is existing, delete the primitive network rule of all nodes.
Specifically, as shown in figure 3, including five IIoT based on the Overlay network interconnection of A, B, C, D, E in network topology
Gateway node, wherein A and E is respectively the entrance and exit of flow, when the original path of flow is A → C → E, target update road
Diameter is A → B → D → E, then this update method includes the following steps:
A. internally network node B, C, D, E issues new networking rule to margin control respectively；
After b.IIoT gateway B, C, D, E receive new networking rule, new rule is locally being added, and retain original rule
Then, the new rule of passback adds success message to margin control；
C. after margin control receives all new rule addition success messages of B, C, D, E, new rule is issued to flow
Entrance IIoT gateway A；
After d.IIoT gateway A receives new networking rule, new rule is locally being added, and retain original rule, and return
New rule addition success message is passed to margin control；
E. when traffic ingress and outlet IIoT gateway A, E does not receive the original flow of IIoT gateway C in threshold time τ
Afterwards, original rule notice is sent to margin control；
F. margin control issues to IIoT gateway C and deletes primitive network regular instructions；
G.IIoT gateway C deletes primitive network rule, and returns original redundant rule elimination success message to margin control；
H. after margin control receives the primitive network redundant rule elimination success message of IIoT gateway C, it is network-like to complete this
The consistent update of state.
The network cooperating management service method further includes a kind of Network anomaly detection and restoration methods, the side
Method includes the detection method of heartbeat keepalive mechanism and disconnection reconnecting mechanism based on the long connection of control channel, and to testing result
Carry out the Network Abnormal restoration methods of feedback operation；
Network anomaly detection method: still inactive online after controller node is more than threshold number ζ, it is believed that the node goes out
Existing failure can not be restored automatically；
The Network Abnormal include margin control Single Point of Faliure, margin control whole failure, master controller failure,
Center/margin control partial fault, controller whole failure.
The Network Abnormal restoration methods include the following steps:
X. master controller guarantees to be directly switch to after host node breaks down from node, edge using master-slave back-up mode
Controller node is actively and master controller from node establishes control channel；
Y. margin control node once breaks down, the margin control node that IIoT gateway preferentially selects other neighbouring
Establish control channel；
Z. if margin control node whole failure, it is logical that IIoT gateway actively establishes control with centralized controller node
Road.
Use scope of the invention includes: business, order, fund, production, the logistics, service of industrial intelligent manufacturing
Network cooperating and guarantee Deng many-sided integrated management are equally applicable to wisdom government affairs, smart city, wisdom agricultural, wisdom doctor
The internetworking layer collaboration of " internet+" industries such as treatment, the guarantee of communications layer, data layer, sync are reliable.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of control device for network cooperating, including master controller and margin control, it is characterised in that:
Described device for support distributed network topology discovery, network state consistent update and Network anomaly detection with it is extensive
It is multiple.
2. a kind of SDN network cooperation model based on edge calculations, it is characterised in that: including sequentially connected data collection layer,
Network integration layer, Edge position control layer and center control layer；
The data collection layer: being made of data acquisition equipment, application and system, including Internet of Things awareness apparatus, interconnection Netcom
Letter equipment, service network terminal device and data-oriented acquisition fusion, statistics, calculate, analysis, the answering for specific business such as excavate
With and system；
The network integration layer: by IIoT gateway and its data fusion provided, network integration service, OpenFlow is acted on behalf of, with
And the Overlay started by OpenFlow agentbased control services composition；
The data fusion service is used to support all data convergence of data collection layer, and Overlay service can be used for providing net
Network transmits tunnel, and establishing between OpenFlow agency and margin control has for receiving control instruction, perform script and network
The OpenFlow control channel of rule；
The Edge position control layer: it is made of OpenFlow margin control and Topology Management service；
The OpenFlow for receiving and issuing control instruction is established between OpenFLow margin control and master controller to control
Channel processed is established logical for the OpenFlow of perform script and networking rule control between margin control and IIoT gateway
Road；
The margin control is placed in the physical edge position of adjacent I IoT gateway；
The center control layer: by for managing OpenFLow margin control OpenFLow controller and based on Quagga it is soft
The Topology Management service of part router is constituted.
3. a kind of industry internet network Topology Management method of servicing, it is characterised in that:
The method is based on Quagga software router, for managing and maintaining distributed network node, executes network topology hair
Existing, updating network state, Network anomaly detection and recovery；
Distributed network node: including centralized controller node and margin control node；
Network Abnormal and reparation: for IIoT gateway unusual condition caused by processing controller node failure.
4. a kind of industry internet network Topology Management method of servicing according to claim 3, it is characterised in that: including one kind
Distributed network topology finds method, and whole topology is divided into edge calculations network topology to the method and the network that interconnects is opened up
It flutters；
Controller for supporting distributed network topology to find is by OPC/OPEC, Quagga software router and its offer
Ospf protocol and bgp protocol service and directed acyclic graph/DAG subgraph storage organization composition.
5. a kind of industry internet network Topology Management method of servicing according to claim 4, it is characterised in that:
The edge calculations network topology is made of master controller discovery lower edge controller, and the two constitutes one and is based on
The double layer network of OpenFlow agreement connection, the etale topology carry out Topology Discovery and management using the method based on ospf protocol,
And Global Topological DAG is generated according to the local topology DAG subgraph that margin control uploads；
The network topology that interconnects is related to the heterogeneous network equipment under margin control, IIoT gateway and gateway；
The network topology that interconnects is made of margin control discovery lower layer IIoT gateway, which, which uses, is based on bgp protocol
Method carry out Topology Discovery and management, and in the DAG subgraph of local computing layer network topology, finally by local topology DAG
Subgraph is uploaded to master controller by control channel.
6. a kind of industry internet network Topology Management method of servicing according to claim 3, it is characterised in that: further include one
Kind network state consistent update method the method includes the more new stage and is deleted the stage；
In the more new stage, the networking rule of the internal node in addition to traffic ingress node is updated first, then updates stream
The networking rule of Ingress node is measured, primitive network rule is retained in the operation of more new stage；
The networking rule includes static routing rule, policybased routing rule, the machine forward rule, GRE networking rule etc.
Overlay service network rule；
It in the deletion stage, is waiting in threshold time, is determining that there is no the appearance of primary flow amount for traffic ingress outlet, delete
The primitive network rule of all nodes.
7. a kind of industry internet network Topology Management method of servicing according to claim 3, it is characterised in that: further include one
The kind Network anomaly detection and restoration methods the method includes the heartbeat keepalive mechanism based on the long connection of control channel and are broken
The detection method of line reconnection mechanism, and the Network Abnormal restoration methods of feedback operation are carried out to testing result.
8. a kind of industry internet network Topology Management method of servicing according to claim 7, it is characterised in that:
The network anomaly detection method are as follows: still inactive online after controller node is more than threshold number ζ, it is believed that the node
Failure can not restore automatically；
The Network Abnormal include margin control Single Point of Faliure, margin control whole failure, master controller failure, in
The heart/margin control partial fault, controller whole failure.
9. a kind of industry internet network Topology Management method of servicing according to claim 7, it is characterised in that:
The Network Abnormal restoration methods include the following steps:
X. master controller guarantees to be directly switch to after host node breaks down from node, Edge position control using master-slave back-up mode
Device node is actively and master controller from node establishes control channel；
Y. margin control node once breaks down, and the margin control node that IIoT gateway preferentially selects other neighbouring is established
Control channel；
Z. if margin control node whole failure, IIoT gateway actively establishes control channel with centralized controller node.
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| CN111148136A (en) * | 2019-12-30 | 2020-05-12 | 深圳蓝奥声科技有限公司 | Edge cooperative sensing method, device and system for wireless Internet of things |
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