CN109639484B - Industrial fusion network management method based on software definition and network manager thereof - Google Patents
Industrial fusion network management method based on software definition and network manager thereof Download PDFInfo
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- CN109639484B CN109639484B CN201811519692.5A CN201811519692A CN109639484B CN 109639484 B CN109639484 B CN 109639484B CN 201811519692 A CN201811519692 A CN 201811519692A CN 109639484 B CN109639484 B CN 109639484B
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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
- H04L41/04—Network management architectures or arrangements
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
Abstract
The invention relates to an industrial fusion network management method based on software definition and a network manager thereof, which comprises an industrial Ethernet protocol message processing process and an industrial Ethernet device access processing process. In an industrial converged network, networking of industrial Ethernet equipment with diversity and heterogeneity is accessed into a converged network architecture, and industrial Ethernet protocol identification, analysis, processing and network configuration strategy issuing are completed in a southbound interface library mode by combining a northbound network configuration management service in a software defined mode. Aiming at the problem that the identification, analysis and processing of the industrial Ethernet protocols with diversity and heterogeneity under the converged network architecture are difficult to solve in the industrial converged network, the functions of the industrial converged network are enriched by adopting a software definition mode, combining network configuration management services of northbound interfaces and defining a southbound interface library method aiming at different industrial Ethernet protocols, and the performance of the industrial converged network is improved.
Description
Technical Field
The invention belongs to the field of industrial converged networks, relates to design and invention of an industrial converged network manager, and particularly relates to design and application of an industrial converged network manager system based on software definition.
Background
In order to solve the problems that the interfaces of industrial network equipment are heterogeneous, interconnection and intercommunication are difficult, the production flow is difficult to solidify and adjust, a production line is difficult to detect, operate and maintain regularly and the like in the industrial interconnection and transformation process, the industrial fusion network based on software definition has high flexibility, high performance, high reliability and high compatibility, and can meet the requirements of heterogeneous industrial Ethernet fusion communication in the current intelligent manufacturing and transformation process. The industrial fusion network based on software definition decouples the network control plane and the data transmission plane, and the network element equipment is only responsible for forwarding data. With the development and progress of the technology related to industrial equipment and the requirement of industrial production, the internal communication protocols of the bus layer equipment under the conditions of industrial ethernet and industrial internet are various at present. The heterogeneous industrial Ethernet communication relation is established by a network manager in a mode of configuring information or uploading a communication request by equipment, so that the industrial fusion network with protocol self-adaption capability manages the industrial fusion network, and automatically adapts the industrial Ethernet protocol selected by the bus layer equipment through a more flexible, customized and extensible software definition mode, so that the mutual compatibility of various industrial Ethernet protocols is realized, most industrial Ethernet communication protocols in the current industrial production are supported, and the information compatible access of multiple manufacturers and multiple protocol equipment is realized.
Disclosure of Invention
The invention designs an industrial fusion network manager based on software definition, a device access method and a message processing method aiming at the requirements of an industrial fusion network based on software definition on communication management and configuration of heterogeneous industrial Ethernet networks, can realize mutual compatibility of various industrial Ethernet protocols, simultaneously supports the access of most industrial Ethernet communication protocol devices in current industrial production, and realizes the information compatible access of multiple manufacturers and multiple protocol devices.
The technical scheme adopted by the invention for solving the technical problems is as follows: the industrial fusion network management method based on software definition is used for accessing industrial Ethernet equipment and comprises the following steps:
1) the method comprises the steps that an industrial converged network manager periodically sends topology discovery data messages to a converged network, and receives access request messages sent by newly accessed industrial Ethernet equipment when the equipment is discovered;
2) the industrial convergence network manager identifies and analyzes the access request message; if the industrial Ethernet protocol device is not the configured network protocol, alarming the device; if yes, executing step 3);
3) the industrial fusion network manager generates a corresponding network configuration management strategy according to the network configuration management model and positions the network configuration management strategy into a southbound interface library;
4) the industrial fusion network manager sends data messages to all the network element devices related in the network configuration management strategy, changes the forwarding strategy in the current network element device and completes access.
The step of identifying and analyzing the access request message by the converged network manager comprises the following steps:
the converged network manager calls a protocol identification function in a southbound interface library corresponding to the industrial Ethernet protocol through an internal service abstraction layer to identify and analyze the access request message.
The industrial fusion network manager generates a corresponding network configuration management strategy according to the network configuration management model, and positions the network configuration management strategy to the southbound interface library, wherein the method comprises the following steps:
1) establishing a network configuration management model by a user according to the self requirement;
2) the converged network manager applies the modeling format of the network configuration management model mechanically according to the communication requirement in the networking process to form a network configuration management strategy;
3) selecting a southbound interface protocol supported by corresponding network element equipment, and changing a forwarding strategy in the current network element equipment by calling a configuration management message package in a southbound interface library of the fusion manager and sending a network configuration management strategy in a mode of sending a southbound interface protocol message.
The industrial fusion network management method based on software definition is used for configuring the request and reply of industrial Ethernet equipment, and comprises the following steps:
the industrial fusion network manager receives a service request of industrial Ethernet equipment through network element equipment and deserializes the service request;
the industrial convergence network manager analyzes the service request and generates service request reply information;
and the industrial converged network manager positions the service request reply information in a port for receiving the request service and sends the service request reply information to the network element equipment.
After the industrial converged network manager receives the service request and completes the request analysis, a corresponding network management configuration strategy is generated, and the network configuration management data in the database is correspondingly changed;
after monitoring the change of the database according to the network configuration management model updated according to the content of the service request, the industrial convergence network manager reads the network configuration management data in the database, and constructs the network communication resources required by the service request in a modeling form of the network configuration management model;
the network configuration management model issues a network management configuration strategy to the request network element equipment, so that the request network element equipment positions the network management configuration strategy and the related southbound interface library;
and the southbound interface of the industrial convergence network manager carries out serialization operation on the network management strategy information and sends the network configuration management strategy to the network element equipment involved in the network.
The industrial converged network manager analyzes the service request and generates service request reply information or a network configuration management strategy, and the method comprises the following steps:
the industrial fusion network manager calls the southbound interface library, analyzes the service request and reports the service request to an internal service abstraction layer, the service abstraction layer informs a network equipment management service model corresponding to the service, and the model generates corresponding service request reply information or a network configuration management strategy.
The industrial fusion network manager based on software definition is used for accessing industrial Ethernet equipment and executing:
periodically sending a topology discovery data message to the converged network, and receiving an access request message sent by newly accessed industrial Ethernet equipment when the equipment is discovered;
identifying and analyzing the access request message; if the industrial Ethernet protocol device is not the configured network protocol, alarming the device; if yes, executing step 3);
generating a corresponding network configuration management strategy according to the network configuration management model, and positioning the network configuration management strategy into a southbound interface library;
4) the converged network manager sends data messages to all the network element devices related in the network configuration management strategy, changes the forwarding strategy in the current network element device, and completes access.
The industrial fusion network manager based on software definition is used for configuring the request and the reply of the industrial Ethernet equipment and executing:
receiving a service request of industrial Ethernet equipment through network element equipment, and deserializing the service request;
analyzing the service request and generating service request reply information;
and positioning the service request reply information in a port for receiving the request service, and sending the service request reply information to the network element equipment.
An industrial converged network manager based on software definition, comprising:
a southbound interface library used for accessing various industrial Ethernet network element devices, wherein the southbound interface library is called by a service abstraction layer;
the service abstraction layer is used for carrying out data acquisition, network configuration and equipment discovery on various industrial Ethernet network element equipment;
an application program interface for providing various functions of the service abstraction layer for the application layer by remote call or local call;
and the north interface is used for realizing the configuration and management of the industrial converged network by the application program through the north interface.
The invention has the following beneficial effects and advantages:
1. providing a design architecture of an industrial fusion network manager system based on software definition, wherein the system is provided with a southbound interface library for accessing various industrial Ethernet network element devices, and the southbound interface library is called by a last-time service abstraction layer; the service abstraction layer has the functions of data acquisition, network configuration, equipment discovery and capability abstraction of the bottom industrial Ethernet network element equipment; an application program interface capable of providing various functions of the service abstraction layer for the upper layer through remote call or local call; and the north interface is used for the network management application program to complete the configuration and management of the industrial converged network, and realize the basic management configuration function of the network and the personalized customized network function development.
2. The invention provides an analysis process of an industrial Ethernet communication request message based on software definition, and meets the communication requirement of heterogeneous industrial Ethernet equipment by calling a southbound interface library based on a software definition mode. In the process, the network element equipment sends a service request of the industrial Ethernet equipment to the network manager, on one hand, a sound field requests reply information on a service abstract layer of the manager, and the request reply information is replied to the requesting network element equipment through a reporting port by a southbound interface; the network manager service abstraction layer which is synchronously carried out with the network configuration information generates a network configuration strategy according to the network configuration information, writes the network configuration strategy into a network configuration database, further generates a network configuration strategy model, and sends the network configuration strategy model to network element equipment which can be involved in the strategy by using a corresponding southbound interface library according to the industrial network type of the request equipment, thereby meeting the communication requirement of the industrial Ethernet equipment.
3. For the process of accessing the heterogeneous industrial Ethernet equipment into the industrial convergence network, the invention can identify the equipment communication protocol through the network manager and complete the access process by combining the network configuration management module. In the process, certain industrial Ethernet communication equipment is accessed, an industrial converged network manager topology discovery protocol discovers the equipment, equipment communication protocol information is reported by triggering the equipment, and the industrial Ethernet protocol is identified by the network manager; judging whether the communication protocol is a configured network protocol, calling a corresponding southbound interface library function according to the network configuration information to carry out operations such as communication relation establishment and the like on the industrial Ethernet equipment, and issuing a network configuration instruction to the network element equipment by a network configuration management module.
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FIG. 1 is a schematic illustration of the deployment of the application of the present invention;
FIG. 2 is a schematic diagram of a system architecture of an industrial convergence network manager based on software definition according to the present invention;
FIG. 3 is a schematic diagram of a flow chart of an implementation of a network configuration request and reply method of an industrial converged network manager;
FIG. 4 is a flowchart illustrating an implementation process of handling access to heterogeneous industrial Ethernet devices at an industrial converged network manager according to the present invention;
FIG. 5 is an exemplary diagram of an industrial converged network manager network configuration management service abstraction model in accordance with the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples.
The invention discloses an industrial fusion network manager system based on software definition for fusion of an industrial Information Technology (IT) network and an Operation Technology (OT) network, which comprises an industrial Ethernet protocol message processing process and an industrial Ethernet device access processing process. In an industrial converged network, networking of industrial Ethernet equipment with diversity and heterogeneity is accessed into a converged network architecture, and industrial Ethernet protocol identification, analysis, processing and network configuration strategy issuing are completed in a southbound interface library mode by combining a northbound network configuration management service in a software defined mode. Aiming at solving the problems of identification, analysis and processing of industrial Ethernet protocols with diversity and heterogeneity under a converged network architecture and solving the problem of higher complexity of heterogeneous industrial Ethernet networking communication strategy configuration under the converged network architecture, the invention adopts a software definition mode, combines network configuration management services of northbound interfaces, and further enriches the functions of the industrial converged network and improves the performance of the industrial converged network by defining a southbound interface library method aiming at different industrial Ethernet protocols.
A software definition-based industrial converged network manager for an industrial converged network, consisting of:
the southbound interface library is used for accessing various industrial Ethernet network element devices and is called by a last-time service abstraction layer; the service abstraction layer has the functions of data acquisition, network configuration, equipment discovery and capability abstraction of the bottom industrial Ethernet network element equipment; an application program interface capable of providing various functions of the service abstraction layer for the upper layer through remote call or local call; and the north interface is used for the network management application program to complete the configuration and management of the industrial converged network, and realize the basic management configuration function of the network and the personalized customized network function development.
The manager can complete the analysis process of the industrial Ethernet protocol message related in the industrial convergence network, and comprises the following steps:
the network element equipment sends a service request of the industrial Ethernet equipment to the network manager, on one hand, a sound field requests reply information on the service abstraction layer of the manager, and the request reply information is replied to the requesting network element equipment through a reporting port by a southbound interface; the network manager service abstraction layer which is synchronously carried out with the network configuration information generates a network configuration strategy according to the network configuration information, writes the network configuration strategy into a network configuration database, further generates a network configuration strategy model, and sends the network configuration strategy model to network element equipment which can be involved in the strategy by using a corresponding southbound interface library according to the industrial network type of the request equipment, thereby meeting the communication requirement of the industrial Ethernet equipment.
The manager can complete the access process of the industrial Ethernet equipment involved in the industrial converged network, and the method comprises the following steps:
when an industrial Ethernet communication device is accessed, an industrial converged network manager topology discovery protocol discovers the device, triggers the device to report device communication protocol information, and a network manager identifies the industrial Ethernet protocol; judging whether the communication protocol is a configured network protocol, calling a corresponding southbound interface library function according to the network configuration information to carry out operations such as communication relation establishment and the like on the industrial Ethernet equipment, and issuing a network configuration instruction to the network element equipment by a network configuration management module.
Fig. 1 is a scene architecture of application deployment of an industrial converged network system based on software definition according to the present invention. The network manager system is applied to an industrial convergence network, and communication in the network is configured and managed. The network manager aims at the networking of heterogeneous industrial Ethernet equipment in an industrial convergence network, such as PROFINET, ETHERCAT, POWERLINK, MODBUS and the like. The heterogeneous industrial Ethernet equipment is uniformly accessed into the industrial convergence network element equipment defined by software, and a southbound interface library for meeting the communication characteristics of the type of industrial Ethernet exists in the southbound interface of the network manager of each type of industrial Ethernet. Interface functions for identifying, analyzing, encapsulating, configuring and the like aiming at common industrial Ethernet protocols are established in the southbound interface library and can be called by an upper service abstraction layer. The service abstraction layer of the industrial fusion network manager can complete functions of topology discovery, communication request reply, communication model construction, network security policy model construction and the like, is a core function module of the network manager, and can call interface functions in a southbound interface library, process corresponding industrial Ethernet protocol data by utilizing the functions and complete required network services according to communication characteristics of corresponding industrial Ethernet. For the service abstraction layer, due to the existence of the southbound interface library, a converged network formed by the industrial Ethernet with heterogeneous data planes is decoupled for the network management application of the IT layer. Under the condition, the service abstraction layer can provide an application interface at a network level to an IT layer application, such as an MES system and an ERP system at an industrial field, through a northbound interface of the network manager, so that a communication strategy in an industrial fusion network can be combined with production control information, the bottleneck problems in the aspects of communication, management, configuration and the like between heterogeneous industrial Ethernet devices are solved, and the requirements of intelligent manufacturing, flexible production, personalization and customized production on the industrial network are further met.
Fig. 2 is a diagram illustrating a software-defined industrial converged network manager system architecture according to the present invention. The industrial fusion network manager defined by software provides basic functions of network configuration service abstraction, topology management, equipment management, flow management and the like. In the southbound interface, the manager supports multiple protocols, the supported protocols are realized by calling southbound interface libraries through a system, and the southbound interface libraries serve as basic function libraries of the network manager and are started with the startup of the manager. All southbound interfaces connect to the manager service abstraction layer in a dynamically linked library fashion after startup. The service abstraction layer can shield the content difference of the bottom layer protocol and directly provide services to the upper layer. In the northbound interface, on one hand, the network manager provides network configuration service for a converged network terminal user through local calling of the API; on the other hand, the network service functions such as routing management, statistical management, terminal management, topology management, exchange management, flow management and the like are provided for the application layer through API remote calling. The converged network terminal user communicates with the manager through a northbound interface by a network configuration request protocol, the manager analyzes and controls the network information acquired by the manager by realizing various service logics and algorithms, and network configuration rules are issued to the whole converged network through a southbound interface. The service abstraction layer enables the converged network manager to support a variety of different southbound protocols and also provides corresponding interfaces to northbound end users and remote service calls. The service abstraction layer provides basic functions of network data information collection, network programming service, network equipment discovery, network capability abstraction and the like and is responsible for linking a southbound interface protocol with a northbound user network request. The service abstract layer can provide data message service and can provide basic functions such as data receiving and sending; the topology service function provides a network topology structure and node updating service; a network device management service providing a function of managing network devices (such as switches and the like); flow programming service, providing network flow control programming function; and the statistical service provides a network information statistical function.
Fig. 3 is an exemplary diagram illustrating an implementation process of processing a communication request protocol packet of a heterogeneous industrial ethernet device in an industrial converged network manager according to the present invention, where the service request protocol packet related in the method 300 can transmit network information to the manager, so as to implement a basic function of network management for abstracting network configuration services and managing network topology, network devices, and communication traffic. The method 300 starts in step 301, the network element device sends a service request of the industrial ethernet device to the industrial converged network manager through a PacketIn data packet, the method 300 proceeds to step 302, and the manager southbound interface deserializes the request packet. In step 303, the manager calls the corresponding southbound interface library, analyzes the service request and reports the service request to the notification delivery module of the service abstraction layer, the module notifies the network device management service model corresponding to the service, different service functions correspond to different service models, and the model generates corresponding service request reply information and a network configuration management policy. The request reply message is generated in step 304, and in step 308, the request reply message performs interface location, the interface is located in the same port as the reporting request port, and in step 311, the manager sends the request reply message to the network element device. On the other hand, the requested network device configuration management service model writes the new network management configuration policy into the DataStore of the network manager, step 306. Next, in step 307, the network configuration management service model listens for changes in the DataStore, reads the relevant data, and combines the model with the network requirements. Step 309, the network configuration management service model will issue the corresponding network management configuration policy to the request route, and the request route will locate the network management configuration policy and the related southbound interface library. In step 310, the manager southbound interface serializes the network management policy information. Finally, in step 312, the network configuration management policy is sent to the network element device involved in the network via a PacketOut packet.
Fig. 4 is a flowchart illustrating an implementation process of handling access of heterogeneous industrial ethernet devices in an industrial converged network manager according to the present invention. Method 400 begins with step 401, where device 1 under an industrial ethernet a networking protocol accesses an industrial converged network. In step 402, the converged network manager periodically sends topology discovery data messages to the converged network, thereby discovering the newly accessed industrial ethernet a device 1. The device 1 sends an access request message, and in step 403, the industrial convergence network manager calls a protocol identification function in the southbound interface library a corresponding to the industrial ethernet protocol a through the service abstraction layer to identify and analyze the request message. If the industrial ethernet protocol a device 1 is not a configured network protocol, then step 404 is entered, and the converged network manager will alert the unknown network device access to ensure the security of the converged network. If the industrial ethernet protocol a device is a configured network protocol, then in step 405, the converged network manager generates a network configuration management policy corresponding to the configured network protocol according to the configuration management model, and locates the network configuration management policy into the southbound interface library. In step 406, the manager sends a PackOut data packet to all the network element devices involved in the network configuration management policy, changes the forwarding policy in the current network element device, and further meets the communication requirement of the industrial ethernet a protocol device 1, thereby completing the access operation.
FIG. 5 is a diagram illustrating an example of an abstraction model for network configuration management services for an industrial converged network manager in accordance with the present invention. The abstract model of the industrial converged network configuration management service is a strategy model designed for converged network communication configuration and management formed by heterogeneous industrial Ethernet networking. The abstract service model is used for modeling and designing each group of nodes with communication relations under each involved industrial Ethernet protocol aiming at different industrial Ethernet protocol types involved in the converged network. The industrial converged network configuration management service model is composed of 1-N industrial Ethernet protocol frameworks, and under each framework, 1-N network node groups with the communication protocol communication relationship are provided. For each network node group, the model specifies communication relationships between the network node groups, such as establishing a two-way communication relationship between node 1 and node 2, establishing a one-way communication relationship between node 1 and node 3, and so on. Under the basic framework of the communication relationship, for each network node group model, time synchronization between nodes in the communication relationship, data transmission priority, QoS guarantee of communication links and other configurations are modeled, managed and configured.
Claims (6)
1. The industrial converged network management method based on software definition is used for accessing industrial Ethernet equipment and comprises the following steps:
1) the method comprises the steps that an industrial converged network manager periodically sends topology discovery data messages to a converged network, and receives access request messages sent by newly accessed industrial Ethernet equipment when the equipment is discovered;
2) the industrial convergence network manager identifies and analyzes the access request message; if the industrial Ethernet protocol device is not the configured network protocol, alarming the device; if yes, executing step 3);
3) the industrial fusion network manager generates a corresponding network configuration management strategy according to the network configuration management model and positions the network configuration management strategy into a southbound interface library;
4) the industrial fusion network manager sends data messages to all network element equipment related in the network configuration management strategy, changes the forwarding strategy in the current network element equipment and completes access;
the method further comprises the steps of:
the industrial fusion network manager receives a service request of industrial Ethernet equipment through network element equipment and deserializes the service request;
the industrial convergence network manager analyzes the service request and generates service request reply information;
and the industrial converged network manager positions the service request reply information in a port for receiving the request service and sends the service request reply information to the network element equipment.
2. The method for managing the industrial converged network based on the software definition according to claim 1, wherein the step of identifying and analyzing the access request message by the converged network manager comprises the following steps:
the converged network manager calls a protocol identification function in a southbound interface library corresponding to the industrial Ethernet protocol through an internal service abstraction layer to identify and analyze the access request message.
3. The industrial converged network management method based on software definition according to claim 1, wherein the industrial converged network manager generates a network configuration management policy corresponding thereto according to the network configuration management model, and locates the network configuration management policy into the southbound interface library comprises the following steps:
1) establishing a network configuration management model by a user according to the self requirement;
2) the converged network manager applies the modeling format of the network configuration management model mechanically according to the communication requirement in the networking process to form a network configuration management strategy;
3) selecting a southbound interface protocol supported by corresponding network element equipment, and changing a forwarding strategy in the current network element equipment by calling a configuration management message package in a southbound interface library of the fusion manager and sending a network configuration management strategy in a mode of sending a southbound interface protocol message.
4. The software definition-based industrial converged network management method according to claim 1,
after the industrial converged network manager receives the service request and completes the request analysis, a corresponding network configuration management strategy is generated, and the network configuration management data in the database are correspondingly changed;
after monitoring the change of the database, a network configuration management model established by the industrial fusion network manager reads network configuration management data in the database, and establishes network communication resources required by the service request in a modeling form of the network configuration management model;
the network configuration management model issues a network configuration management strategy to the request network element equipment, so that the request network element equipment positions the network configuration management strategy and the related southbound interface library;
and the southbound interface of the industrial convergence network manager carries out serialization operation on the network management strategy information and sends the network configuration management strategy to the network element equipment involved in the network.
5. The software-definition-based industrial converged network management method according to claim 1 or 4, wherein the industrial converged network manager analyzes the service request and generates a service request reply message or a network configuration management policy, and the method comprises the following steps:
the industrial fusion network manager calls the southbound interface library, analyzes the service request and reports the service request to an internal service abstraction layer, the service abstraction layer informs a network equipment management service model corresponding to the service, and the model generates corresponding service request reply information or a network configuration management strategy.
6. The industrial convergence network manager based on software definition is characterized in that the request and reply for accessing the industrial Ethernet device and configuring the industrial Ethernet device comprises the following steps:
the southbound interface library is used for accessing various industrial Ethernet network element devices, called by the service abstraction layer, and deserializes the service request by the southbound interface;
the service abstraction layer is used for carrying out data acquisition, network configuration and equipment discovery on various industrial Ethernet network element equipment, and receiving an access request message sent by the equipment when newly accessed industrial Ethernet equipment is discovered; generating service request reply information;
an application program interface for providing various functions of the service abstraction layer for the application layer by remote call or local call;
and the north interface is used for realizing the configuration and management of the industrial converged network by the application program through the north interface.
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| CN111447084B (en) * | 2020-03-19 | 2022-11-11 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Interconnection and fusion method and system for heterogeneous industrial network |
| CN111464339B (en) * | 2020-03-19 | 2022-11-01 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Heterogeneous industrial network interconnection method based on dynamic reconfiguration and universal wired communication module |
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