CN112202900B - Novel-architecture edge computing system - Google Patents
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Abstract
The invention discloses an edge computing system with a novel framework, which relates to the field of edge computing, and at least comprises a cloud layer deployed in a cloud data center and an edge layer deployed in an edge node; the cloud end layer comprises a cloud control module, the edge layer comprises an edge module, and the edge module at least comprises a socket component, a Meta Manager component and an edge message channel; the edge module is in network communication with the cloud control module through an edge message channel; the system is based on a lightweight containerization technology, provides a stable and reliable edge software deployment and arrangement system, combines the advantages of two schemes of cloud edge coordination and edge autonomy, can effectively reduce the personnel intervention of edge side software deployment and arrangement, reduces the operation and maintenance difficulty of edge side software, and solves the technical challenges of cloud edge coordination, network, management, expansion, isomerism and the like in edge computing.
Description
Technical Field
The invention relates to the field of edge computing, in particular to an edge computing system with a novel framework.
Background
The edge computing is a distributed computing architecture, and is applied to a plurality of internet of things scenes (smart homes, industrial automation, smart cities and the like) and non-internet of things scenes (communities, CDN and the like), the edge computing moves the operation of application programs, data and services from a cloud data center to edge nodes on network logic, and the edge nodes are computing resource nodes which are closer to hardware equipment in geographic distribution and relatively far away from the cloud data center, so that the processing and transmitting speed of data can be increased, and delay is reduced. In practical application, edge computing is required to have a stable and reliable software arrangement and deployment scheme, edge self-governing needs to be met under different network scenes at the edge end due to the fact that the cloud edge coordination needs, traditional edge side software deployment strongly depends on manual processing of operation and maintenance personnel, environment differences of various edge nodes are large, software difficulty of maintaining massive edge nodes in a large number of manpower modes is high, time and labor are consumed, large-area downtime of edge services due to misoperation of the operation and maintenance personnel is difficult to avoid, the capacity requirement of the operation and maintenance personnel is high, and the traditional scheme is unstable and unreliable.
Modern edge deployment schemes focus on two directions, one is cloud edge coordination (representing scheme kubbedge) and the other is edge autonomy (representing scheme k3s), but both architectures have disadvantages:
the kubbeedge architecture comprises an operation side and an edge side, wherein the operation side is responsible for issuing applications and configuration, the edge side is responsible for running edge applications and managing access equipment, the kubbeedge architecture is expanded from a cloud computing deployment scheme and emphasizes cloud end capability, in the scheme, edge computing cannot exist independently and is communicated with a remote data center without necessity, the requirement on network resources of the edge side is high, the control capability is lost after the edge side and the cloud end side are out of link, and the defects are more in scenes with poor or no network environment (such as shield tunneling scenes and the like).
The k3s architecture is simplified from a cloud computing deployment scheme, and emphasizes edge capability, in the scheme, an edge side has complete autonomous capability, but has poor cooperation capability with a cloud side, inconvenient operation and maintenance management and poor expandability.
Disclosure of Invention
The present inventor proposes an edge computing system with a novel architecture in view of the above problems and technical requirements, and the technical solution of the present invention is as follows:
an edge computing system with a novel architecture at least comprises a cloud end layer deployed in a cloud end data center and an edge layer deployed in an edge node; the cloud end layer comprises a cloud control module, the edge layer comprises an edge module, and the edge module at least comprises a socket component, a Meta Manager component and an edge message channel; the edge module is in network communication with the cloud control module through an edge message channel;
the cloud control module controls the edge module to realize resource management and life cycle management of the edge node, acquires data synchronized to the cloud data center by the edge module, and realizes a cloud edge coordination function of the edge computing system;
the edge module utilizes the socket component to carry out resource management and life cycle management of the edge node, and persists the source data to the Meta Manager component, and the edge module utilizes the Meta Manager component to carry out local persistence of the source data, so that the edge autonomous function of the edge computing system is realized.
The further technical scheme is that the socket component comprises a resource management module, a state management module, a garbage recovery module, an event bus module, a source data storage module and a plurality of container operation modules with different magnitudes.
The edge module further comprises a Bus and a digital twins mapping component, the socket component and the Meta Manager component are connected and communicated in the edge module, and the Meta Manager component, the Bus and the digital twins mapping component are connected and communicated with the edge message channel.
The cloud control module at least comprises a cloud control component and a cloud message channel which is connected with the cloud control component and has a multiplexing function, an edge message channel in the edge module also has a multiplexing function, the edge module is connected with the cloud message channel of the cloud control module through the edge message channel to realize network communication between the cloud control module and the edge module, and the cloud message channel and the edge message channel are both realized by a Hub component.
The edge module collects at least two different communication protocols to an edge message channel and then communicates with the cloud control module by using a uniform preset communication protocol.
The further technical scheme is that the edge module performs preprocessing operation on the data and then sends the data to the cloud control module through an edge message channel, and the preprocessing operation comprises at least one of caching, merging and filtering.
The edge layer further comprises an edge control module, the edge control module is communicated with the edge module, the edge control module controls the edge module to realize resource management and life cycle management of edge nodes, and the edge control module acquires data of the edge module synchronized to the cloud data center to realize an edge control function of the edge computing system.
The edge control module at least comprises an edge control component and an edge control message channel connected with the edge control component, the edge module comprises an edge message channel with a multiplexing function, the edge module is connected with the edge control message channel of the edge control module through the edge message channel to realize the network communication between the edge control module and the edge module, and the edge control message channel and the edge message channel are both realized by a Hub component.
The further technical scheme is that the edge computing system further comprises a user entrance module, and the user entrance module is deployed on the cloud layer or the edge layer.
The further technical scheme is that the edge computing system further comprises an equipment layer, the equipment layer comprises a plurality of equipment modules, and the equipment modules are accessed into the edge modules through corresponding communication protocols and generate digital twin mapping.
The beneficial technical effects of the invention are as follows:
the application discloses an edge computing system with a novel framework, the system is based on a lightweight containerization technology, a stable and reliable edge software deployment and arrangement system is provided, the advantages of two schemes of cloud edge coordination and edge autonomy are combined, the personnel intervention of edge side software deployment and arrangement can be effectively reduced, the software operation and maintenance difficulty of an edge side is reduced, and the technical challenges of cloud edge coordination, network, management, expansion, isomerism and the like in edge computing are solved.
Drawings
FIG. 1 is an architectural diagram of an edge computing system of a novel architecture disclosed herein.
FIG. 2 is a control schematic diagram of the edge computing system of the present application operating in a cloud control mode.
FIG. 3 is a control schematic diagram of the edge computing system of the present application operating in an edge control mode.
FIG. 4 is a control diagram illustrating the operation of the edge computing system in the edge-controlled blending mode.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to the schematic diagram of fig. 1, the Edge computing system at least includes a Cloud layer (Cloud) deployed in a Cloud data center and an Edge layer (Edge) deployed in an Edge node.
The cloud layer. The Cloud layer comprises a Cloud control module (Cloud Part), the Cloud control module is a control module of a Cloud in the system, the Cloud control module at least comprises a Cloud control component (Cloud Controller) and a Cloud message channel (Cloud Hub) connected with the Cloud control component, and the Cloud control component and the Cloud message channel are both deployed in a Cloud data center:
and the Cloud control component (Cloud Controller) is used for controlling the state synchronization of nodes, applications and configuration of the edge side.
The Cloud message channel (Cloud Hub) is used for communication with the edge side, is realized by a Hub component, has a multiplexing function, and is used for receiving information synchronized to the Cloud side by the edge side.
And II, an edge layer.
(1) The Edge layer comprises an Edge module (Edge Part), and the Edge module at least internally comprises a socket component, a Meta Manager component and an Edge message channel (Edge Hub). In addition, the edge module of the present application further includes a Digital Twins mapping component (Digital Twins) and a Bus, wherein:
the socket component is a lightweight lifecycle management system for arranging resource objects, and comprises a resource management module (Pod, Volume, Secret, ConfigMap, Image), a state management module (Status Manager), a Garbage Collection module (Garbage Collection), an Event Bus module (Event Bus), a source data storage module (Meta Client), and several Container Runtime modules (Container Runtime) of different levels. The socket component is mainly responsible for scheduling, maintaining, cleaning and other work of various task resources of the edge node, the tasks can be operated on container operation of different magnitudes, container operation modules of different magnitudes comprise docker, container and k3c, and source data are persisted into the Meta Manager component through high-performance transaction operation, which is reliable guarantee of edge autonomy.
The Meta Manager component is responsible for local persistence of source data, provides high availability capabilities such as backup recovery, ensures uniqueness and consistency of source data in a severe edge environment, and provides effective disaster recovery capability, which is the key of edge autonomy.
The Edge message channel (Edge Hub) is responsible for communication, the Edge module performs network communication with the cloud control module through the Edge message channel (Edge Hub), the Edge message channel in the application is realized by the Hub component and also has a multiplexing function, namely the Edge module is connected with the multiplexed cloud message channel of the cloud control module through the multiplexed Edge message channel.
A Digital Twins map component (Digital Twins) for generating a Digital Twins map of the physical device.
And the Bus comprises an Event Bus (Event Bus) and a message Bus (Service Bus) and is used for interacting with the equipment, the edge program and the cloud program.
Inside the edge module, a socket component is connected and communicated with a Meta Manager component, and the Meta Manager component, a Bus and a digital twin mapping component are connected and communicated with an edge message channel. In the edge layer, the socket component within the edge module is also connected to Containers (Containers) of the edge layer, the Meta Manager component and the digital twins mapping component within the edge module are also connected to the Data Store (Data Store) of the edge layer.
(2) Optionally, the Edge layer of the present application further includes an Edge control module (Edge finder), where the Edge control module is a control module on the Edge side in the system. The Edge control module can be on the same equipment with the Edge module when actual matters, also can be an independent personal computer, and the Edge control module realizes controlling the Edge module at the Edge side, and it includes Edge control component (Edge finder Controller) and Edge control message channel (Edge finder Hub) that links to each other at least, and Edge control component and Edge control message channel all deploy at the Edge:
the Edge Controller (Edge finder Controller) is used for controlling the state synchronization of nodes, applications and configurations at the Edge side.
The Edge control message channel (Edge finder Hub) is used for communicating with the Edge module, is realized by the Hub component, has a multiplexing function and is used for receiving information of the Edge module synchronized to the cloud.
And thirdly, a Device layer (Device).
Optionally, the edge computing system further includes a device layer, where the device layer includes a plurality of device modules, the device modules provide device access capabilities of the edge modules, and the device modules access the edge modules through corresponding communication protocols (such as MQTT protocol) and generate the digital twins map. Common devices are such as the illustrated Camera (CAM), Microphone (MIC), LED, PLC, etc.
In addition to the modules in the cloud layer, the edge layer, and the device layer, the edge computing system further includes a user portal module (Interface), where the user portal module is deployed in the cloud layer and used in combination with the cloud control module, or deployed in the edge layer and used in combination with the edge control module.
Based on the system architecture shown in fig. 1 disclosed by the application, the system can meet the requirements of cloud edge coordination, edge autonomy and the like, realize a solution for arranging and deploying edge side software in various channels and automation, and solve the technical challenges of edge side software coordination, network, management, expansion, isomerism and the like:
(1) the system can work in a cloud control mode to realize a cloud-edge coordination function, at the moment, the cloud control module controls the edge module to realize resource management and life cycle management of the edge node, and the cloud control module acquires data synchronized to the cloud data center by the edge module to realize the cloud-edge coordination function of the edge computing system, as shown in fig. 2.
(2) The system can work in an autonomous mode to realize the edge autonomous function, at the moment, an edge module utilizes a socket component to carry out resource management and life cycle management of an edge node, source data is persisted into a Meta Manager component, and the edge module utilizes the Meta Manager component to carry out local persistence of the source data so as to realize the edge autonomous function of the edge computing system.
(3) The system can work in a side control mode to realize a side control function, the side control module is communicated with the edge module at the moment, the side control module controls the edge module to realize resource management and life cycle management of edge nodes, and the side control module acquires data of the edge module synchronized to a cloud data center to realize the side control function of the edge computing system. At this time, when the edge control module and the edge module belong to different devices, the control schematic diagram is shown in fig. 3; when the edge control module and the edge module are on the same device, the control schematic diagram is shown in fig. 4.
The system architecture of the application can solve the technical challenges of cloud edge collaboration, network, management, expansion, isomerism and the like faced by edge computing:
1. cloud edge collaboration: with the gradual improvement of digital infrastructure, cloud computing matures, and cloud-edge collaboration becomes the biggest technical challenge facing edge computing. Edge computing and cloud computing are not two mutually exclusive technologies, and they complement each other, and have some similarities with cloud computing from the viewpoint of scene requirements, for example: the edge side also has a computing cluster; the edge side also has the requirements of resources such as calculation, storage, network and the like of the management node; the edge side application also needs containerization and micro-service; the edge side wants to have uniform standard and good ecology (API, tool chain, etc.); the requirements of edge side data security, encryption and the like cannot be ignored. From the above-mentioned edge demand point, it is a good choice to extend the architecture and capability of cloud computing to the edge. Through a socket component in the edge module and a Cloud Controller component in the Cloud control module, a lightweight life cycle management system for arranging resource objects is realized, so that the standard of a Cloud native technology is accessed, the edge side cluster can be directly managed at a Cloud end, consistent on-Cloud experience is provided, and Cloud-edge cooperation is realized.
2. Network: the edge side network has the problems of poor reliability, bandwidth limitation and the like, and for the problems, the system solves the problems in two aspects of improving the network fault tolerance capability and the edge autonomous capability; on the one hand, the Edge Hub component in the Edge module is a multiplexed message channel and provides reliable information synchronization capability, and in addition, the Edge module performs preprocessing operation on data and then sends the data to the cloud control module through the Edge message channel, and the preprocessing operation includes at least one of caching, merging and filtering, so that the network pressure of communication between the Edge end and the cloud end can be reduced, and the network fault tolerance capability is improved. On the other hand, the Meta Manager component in the edge module is responsible for local persistence of the source data, the edge end can completely and autonomously manage the life cycle of the resources of the edge end, which is the key of the edge autonomous capability, and meanwhile, according to the design of the cloud control module, a lightweight edge control module is realized, and the management capability is extended to the edge side. The edge control module is a movable management entrance, which can be deployed on an edge node, a personal computer, and the edge module can be managed in different modes such as a cloud control mode (fig. 2), an edge control mode (fig. 3), a fusion mode (fig. 4) and the like on the edge side.
3. Management: the resource management of the edge node and the life cycle management of the edge application are the technology that cloud is mature and the basic capability of edge autonomy; a socket component in the edge module realizes the arrangement and life cycle management of resources, and a Meta Manager component is responsible for the local persistence of source data, so that the edge side has the self-management capability and realizes edge autonomy.
4. Expanding: the expansion capability of the edge application and the expansion capability of the edge node; the height distribution and large-scale expansion capability of the cloud native technology are mature, each edge side node of the system is mapped to a cloud cluster in a cloud cluster node mode, and each node can share the technical characteristics that the cloud native technology is mature.
5. Isomerization: heterogeneous hardware architecture and communication protocol of the edge terminal; the system carries out the designed edge arrangement and deployment method based on the lightweight containerization technology, the heterogeneous problem of the hardware architecture is an important technical direction of the containerization technology, and a good solution is provided; the Hub component can optimize network pressure, has the function of a unified communication protocol, and enables the edge module to collect at least two different communication protocols on the edge side to an edge message channel through a Bus and then communicate with the cloud control module through the unified preset communication protocol.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiment. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and concept of the present invention are to be considered as included within the scope of the present invention.
Claims (10)
1. An edge computing system with a novel architecture is characterized by at least comprising a cloud layer deployed in a cloud data center and an edge layer deployed in an edge node; the cloud end layer comprises a cloud control module, the edge layer comprises an edge module, and the edge module at least comprises a socket component, a Meta Manager component and an edge message channel; the edge module is in network communication with the cloud control module through the edge message channel;
the cloud control module controls the edge module to realize resource management and life cycle management of edge nodes, acquires data synchronized to a cloud data center by the edge module, and realizes a cloud-edge coordination function of the edge computing system;
the edge module utilizes a socket component to carry out resource management and life cycle management of edge nodes and persist source data into a Meta Manager component, and the edge module utilizes the Meta Manager component to carry out local persistence of the source data so as to realize the edge autonomous function of the edge computing system.
2. The edge computing system of claim 1, wherein the socket component comprises a resource management module, a state management module, a garbage collection module, an event bus module, a source data storage module, and a number of different magnitude container runtime modules.
3. The edge computing system of claim 1, wherein the edge module further comprises a Bus and a digital twinkle mapping component, wherein the socket component and the Meta Manager component are in connected communication within the edge module, and wherein the Meta Manager component, the Bus and the digital twinkle mapping component are in connected communication with the edge message channel.
4. The edge computing system according to any one of claims 1 to 3, wherein the cloud control module at least includes a cloud control component and a cloud message channel with a multiplexing function connected thereto, the edge message channel in the edge module also has a multiplexing function, the edge module is connected to the cloud message channel of the cloud control module through the edge message channel to realize network communication between the cloud control module and the edge module, and both the cloud message channel and the edge message channel are realized by a Hub component.
5. The edge computing system of claim 4, wherein the edge module aggregates at least two different communication protocols into the edge message channel and communicates with the cloud control module using a unified predetermined communication protocol.
6. The edge computing system of claim 4, wherein the edge module sends the pre-processing operation to the cloud control module through the edge message channel after performing the pre-processing operation on the data, and the pre-processing operation comprises at least one of caching, merging, and filtering.
7. The edge computing system of any one of claims 1 to 3, wherein the edge layer further comprises an edge control module, the edge control module is in communication with the edge module, the edge control module controls the edge module to implement resource management and lifecycle management of an edge node, and the edge control module obtains data synchronized by the edge module to a cloud data center to implement an edge control function of the edge computing system.
8. The edge computing system of claim 7, wherein the edge control module comprises at least an edge control component and an edge control message channel connected thereto, the edge module comprises an edge message channel with multiplexing function, the edge module is connected to the edge control message channel of the edge control module through the edge message channel to implement network communication between the edge control module and the edge module, and both the edge control message channel and the edge message channel are implemented by Hub components.
9. The edge computing system of any of claims 1-3, further comprising a customer portal module deployed at the cloud-end tier or at the edge tier.
10. The edge computing system of any of claims 1-3, further comprising a device layer comprising a number of device modules that access the edge module via corresponding communication protocols and generate the digital twinkle map.
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| CN112929245A (en) * | 2021-01-27 | 2021-06-08 | 浪潮软件科技有限公司 | Method for managing smart home edge computing platform based on cloud edge cooperation technology |
| CN113612820A (en) * | 2021-07-13 | 2021-11-05 | 之江实验室 | Cloud edge device platform control architecture and method based on Superedge and edgeXFioutry |
| CN113938356B (en) * | 2021-09-03 | 2023-11-14 | 平高集团有限公司 | Intelligent gateway |
| CN114826869B (en) * | 2022-03-04 | 2023-11-28 | 阿里巴巴（中国）有限公司 | Device management method and device management system |
| CN114466029A (en) * | 2022-03-10 | 2022-05-10 | 浪潮云信息技术股份公司 | Cloud edge coordination system and method in edge cloud computing scene |
| CN117896759A (en) * | 2022-10-14 | 2024-04-16 | 华为技术有限公司 | Autonomous method and device of autonomous network |
| CN115801811B (en) * | 2023-01-09 | 2023-04-28 | 江苏云工场信息技术有限公司 | Cloud edge cooperation method and device |
| CN116107564B (en) * | 2023-04-12 | 2023-06-30 | 中国人民解放军国防科技大学 | Data-oriented cloud native software device and software platform |
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