CN109495585B - Hierarchical control method for edge network and cloud - Google Patents
Hierarchical control method for edge network and cloud Download PDFInfo
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- CN109495585B CN109495585B CN201811557080.5A CN201811557080A CN109495585B CN 109495585 B CN109495585 B CN 109495585B CN 201811557080 A CN201811557080 A CN 201811557080A CN 109495585 B CN109495585 B CN 109495585B
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- 230000006854 communication Effects 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 33
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
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Abstract
The invention relates to a hierarchical control method of an edge network and a cloud, wherein the edge network comprises an edge controller, and the control method comprises the following steps: defining a control object logic definition table inside the edge controller, and defining the priority and the external condition corresponding to the priority; maintaining daily communication between the cloud and the edge controller; when the local requirement is enforced, the edge controller refuses the control command of the cloud; when the cloud control command and the edge control command conflict, the command is made by comparing the information of the control object logic definition table. Compared with the prior art, the invention realizes the classification of edge control and cloud control, and when the edge control signal and the cloud control signal conflict or the network communication is interrupted, the control of the object can be controlled according to the preset classification setting.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a hierarchical control method for an edge network and a cloud.
Background
An edge network is the edge of a given non-technically described network, the public telecommunication network. To be described in prior art terminology, an edge network, which includes part or all of an aggregation layer network and an access layer network, is the last segment of a network to access a user, and generally corresponds to a local network.
The edge computing is based on cloud computing, and it can be said that the edge computing is cloud computing in Operation Technology (OT). Compared with cloud computing in Information Technology (IT), edge computing puts higher demands on real-time performance and security. While the edge controller is just one physical interface between IT and OT. And the edge controller is hardware for sending the summarized data to the cloud. This type of hardware, as the last layer of physical entity to the cloud, is the interface of the machine layer OT and the cloud IT solution. Wherein the OT includes hardware and software for monitoring control equipment, production processes and events in real time.
When the edge control and the cloud control jointly control a certain control object, due to the reasons of different control logics, network congestion or asymmetry of cloud and edge information and the like, a phenomenon that the cloud and the edge control conflict can be caused, and once the phenomenon occurs, damage can be caused to the control object, and related secondary disasters are caused.
Disclosure of Invention
The present invention is directed to a hierarchical control method for an edge network and a cloud to overcome the above-mentioned drawbacks of the prior art.
The purpose of the invention can be realized by the following technical scheme:
a hierarchical control method for an edge network and a cloud end, wherein the edge network comprises an edge controller, and the control method comprises the following steps:
defining a control object logic definition table inside the edge controller, and defining the priority and the external condition corresponding to the priority;
maintaining daily communication between the cloud and the edge controller;
when the local requirement is enforced, the edge controller refuses the control command of the cloud;
when the cloud control command and the edge control command conflict, the command is made by comparing the information of the control object logic definition table.
Preferably, in the process of maintaining daily communication between the cloud and the edge controller, the method further includes calculating communication quality and adjusting the priority of cloud control according to the condition of the communication quality.
Preferably, the communication quality is obtained by calculating delay time in the communication process between the cloud and the edge controller.
Preferably, the communication quality calculation method includes:
preferably, the adjusting the priority of the cloud control according to the communication quality includes: and when the communication quality is greater than a set value, dynamically adjusting the priority of cloud control to be the lowest.
Preferably, the set value is 10.
Compared with the prior art, the method and the device realize the classification of the edge control and the cloud control by defining the priority list of the control object, calculating the communication quality of the network communication between the cloud and the edge and mechanically switching the edge mode, and can control the object according to the preset classification setting when the edge control signal and the cloud control signal conflict or the network communication is interrupted, thereby ensuring the ordered control of the control object.
Drawings
Fig. 1 is a control block diagram of an edge network and a cloud in the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1, the present application provides a hierarchical control method for an edge network and a cloud, where the edge network includes an edge controller, and the edge controller implements the hierarchical control of the edge control and the cloud control by defining a priority list of a control object, calculating a delay time of network communication between the cloud and the edge, and calculating a mechanical signal for hard switching of an edge mode, and when there is a conflict between an edge control signal and a cloud control signal or network communication is interrupted, the control of the object can be controlled according to a predetermined hierarchical setting. The control method comprises the following steps:
1. defining a control object logic definition table inside the edge controller, and defining the priority and the external condition corresponding to the priority, specifically comprising: listing external conditions (including cloud control) related to system control, and arranging according to the importance degree of the external conditions on the system control;
2. maintaining daily communication between the cloud and the edge controller, calculating communication quality through delay time and adjusting the priority of cloud control according to the condition of the communication quality;
3. when the local requirement is enforced, namely the value of the local enforced input in the mechanical signal of the hard switching of the edge mode is true, the edge controller refuses the control command of the cloud end when the local enforced execution is enforced;
4. when the cloud control command and the edge control command conflict, the command is made by comparing the information of the control object logic definition table.
The communication quality calculation method specifically comprises the following steps:
adjusting the priority of the cloud control according to the communication quality comprises: and when the communication quality is greater than a set value, dynamically adjusting the priority of cloud control to be the lowest.
In this embodiment, when the communication quality is greater than 10, the priority of the cloud control is dynamically adjusted to be the lowest.
The cloud may change the control object logic definition.
Claims (6)
1. A hierarchical control method for an edge network and a cloud end, the edge network comprises an edge controller, the hierarchical control method is characterized in that the hierarchical control of the edge control and the cloud end control is realized through the definition of a priority list of a control object, the delay time of network communication between the cloud end and the edge, and the calculation of a mechanical signal of hard switching of an edge mode, and when the edge control signal and the cloud end control signal conflict or the network communication is interrupted, the control of the object can be controlled according to preset hierarchical setting, and the control method comprises the following steps:
defining a control object logic definition table inside the edge controller, and defining the priority and the external condition corresponding to the priority;
maintaining daily communication between the cloud and the edge controller;
when the local requirement is enforced, the edge controller refuses the control command of the cloud;
when the cloud control command and the edge control command conflict, the command is made by comparing the information of the control object logic definition table.
2. The hierarchical control method for the edge network and the cloud end according to claim 1, further comprising calculating communication quality and adjusting a priority of cloud end control according to the communication quality during the process of maintaining daily communication between the cloud end and the edge controller.
3. The hierarchical control method for the edge network and the cloud end according to claim 2, wherein the communication quality is calculated by a delay time in a communication process between the cloud end and the edge controller.
4. The hierarchical control method for the edge network and the cloud end according to claim 3, wherein the calculation method for the communication quality comprises:
5. the hierarchical control method for the edge network and the cloud end according to claim 4, wherein the adjusting the priority of the cloud end control according to the communication quality comprises: and when the communication quality is greater than a set value, dynamically adjusting the priority of cloud control to be the lowest.
6. The hierarchical control method for the edge network and the cloud end according to claim 5, wherein the set value is 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811557080.5A CN109495585B (en) | 2018-12-19 | 2018-12-19 | Hierarchical control method for edge network and cloud |
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| CN201811557080.5A CN109495585B (en) | 2018-12-19 | 2018-12-19 | Hierarchical control method for edge network and cloud |
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| CN109495585A CN109495585A (en) | 2019-03-19 |
| CN109495585B true CN109495585B (en) | 2020-11-13 |
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| CN111800281B (en) * | 2019-04-08 | 2023-08-04 | 阿里巴巴集团控股有限公司 | Network system, management and control method, equipment and storage medium |
| CN112290676B (en) * | 2020-10-20 | 2022-06-24 | 中腾微网（北京）科技有限公司 | Photovoltaic power station control system combining field data and cloud storage system |
| CN116248738B (en) * | 2023-05-12 | 2023-07-28 | 煤炭科学技术研究院有限公司 | Edge control method and device based on cloud edge |
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| CN105549413A (en) * | 2016-02-01 | 2016-05-04 | 广西禾邦科技有限责任公司 | Thing control device region management control method on the basis of internet of things |
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| CN103076784B (en) * | 2012-12-30 | 2016-01-20 | 同济大学 | A kind of greenhouse surroundings monitoring system based on radio sensing network and GPRS |
| US9329816B2 (en) * | 2013-10-25 | 2016-05-03 | Zih Corp. | Method and apparatus for managing remote devices and accessing remote device information |
| CN103914972B (en) * | 2013-12-31 | 2018-10-12 | 海尔集团公司 | A kind of domestic electric appliances controller and its infrared learning method |
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