CN110071918B - Data communication method and device based on hybrid cloud - Google Patents
Data communication method and device based on hybrid cloud Download PDFInfo
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- CN110071918B CN110071918B CN201910316785.6A CN201910316785A CN110071918B CN 110071918 B CN110071918 B CN 110071918B CN 201910316785 A CN201910316785 A CN 201910316785A CN 110071918 B CN110071918 B CN 110071918B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/107—Network architectures or network communication protocols for network security for controlling access to devices or network resources wherein the security policies are location-dependent, e.g. entities privileges depend on current location or allowing specific operations only from locally connected terminals
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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
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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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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Abstract
The embodiment of the invention discloses a data communication method and a data communication device based on a hybrid cloud, wherein the method comprises the following steps: in the login process, judging whether a last login node is recorded in a server node of a private cloud; if the log-in node is recorded, detecting the availability of the logged-in node; if the node is available, logging in the logged node for data communication; and if the current terminal position is unavailable, acquiring a node list from the main service node of the public cloud, and selecting a first available node closest to the current terminal position in the node list for logging in. By judging that the last logged-in node is recorded in the server nodes of the private cloud and available, the logged-in node is logged in for data communication, communication service can be independently provided under the condition of network disconnection, and the safety of data is ensured; when the logged-in node is unavailable, the node closest to the current terminal position is selected according to the node list of the main service node of the public cloud for logging in, unified deployment and management are facilitated, and server nodes in the private cloud are conveniently expanded.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a data communication method and device based on a hybrid cloud.
Background
With the development and the gradual maturity of cloud computing, more and more enterprises begin to migrate their own services to the cloud, forming a diverse industry cloud. For example, in the field of online education, companies migrate their education services to the cloud end to form an "education cloud" with various architectures.
The education cloud can be divided into a public cloud and a private cloud as well as other industry clouds according to a deployment mode. Public cloud: the system is uniformly deployed at the cloud, all schools and users access the same set of service through the Internet, infrastructure (such as machines, networks, database storage and the like) is provided, and the system can be third parties such as Ariiyun, Microsoft Azure and the like, and can also be a machine room of a company. Private cloud: a complete set of cloud services is separately deployed for one or more schools located in the same area. The private clouds are completely isolated, and schools can access the private clouds through a local area network.
Public clouds are low in cost and good in expandability, can integrate upstream service providers and downstream end users, create new value chains and ecosystems, but have the disadvantages of poor safety, incapability of meeting various regional or organizational regulations, and rapid increase of expenses during online traffic peaks. Relatively speaking, private clouds offer higher security and customizability, but are more costly to implement and maintain, and more difficult to access remotely.
Disclosure of Invention
Because the existing method has the problems, the embodiment of the invention provides a data communication method and device based on a hybrid cloud.
In a first aspect, an embodiment of the present invention provides a data communication method based on a hybrid cloud, including:
in the login process of the application program, judging whether a last login node is recorded in a server node of a private cloud or not;
if the last logged node is recorded, detecting the availability of the logged node;
if the logged node is available, logging in the logged node for data communication;
and if the logged node is unavailable, acquiring a node list from a main service node of the public cloud, selecting a first available node closest to the current terminal position in the node list, and logging in the first available node for data communication.
In a second aspect, an embodiment of the present invention further provides a data communication apparatus based on a hybrid cloud, including:
the node judgment module is used for judging whether a last login node is recorded in a server node of the private cloud or not in the login process of the application program;
the availability detection module is used for detecting the availability of the logged node if the logged node of the last time is recorded;
the first node login module is used for logging in the logged node for data communication if the logged node is available;
and the second node login module is used for acquiring a node list from a main service node of the public cloud if the logged-in node is unavailable, selecting a first available node closest to the current terminal position in the node list, and logging in the first available node for data communication.
In a third aspect, an embodiment of the present invention further provides an electronic device, including:
at least one processor; and
at least one memory communicatively coupled to the processor, wherein:
the memory stores program instructions executable by the processor, which when called by the processor are capable of performing the above-described methods.
In a fourth aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium storing a computer program, which causes the computer to execute the above method.
According to the technical scheme, the embodiment of the invention can independently provide communication service under the condition of network disconnection and ensure the safety of data by judging that the last logged node is recorded and available in the server nodes of the private cloud and logging in the logged node to carry out data communication; when the logged-in node is unavailable, the node closest to the current terminal position is selected according to the node list of the main service node of the public cloud for logging in, unified deployment and management are facilitated, and server nodes in the private cloud are conveniently expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a data communication method based on a hybrid cloud according to an embodiment of the present invention;
fig. 2 is a connection diagram of a hybrid cloud-based data communication system according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a data communication method based on a hybrid cloud according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a data communication device based on a hybrid cloud according to an embodiment of the present invention;
fig. 5 is a logic block diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 shows a flowchart of a data communication method based on a hybrid cloud according to this embodiment, which includes:
s101, in the login process of the application program, whether the last login node is recorded in the server nodes of the private cloud or not is judged.
Wherein the application program is the application program which is currently logged in.
The server nodes of the private cloud are nodes of a plurality of cloud servers deployed in a specific range. For example, a plurality of cloud servers are deployed in a school, and each cloud server is a server node of a private cloud.
Specifically, in each login process, the application program first selects an available server from the server nodes of the private cloud to log in, and when the available server is selected, the last login node is preferentially checked, so that it is necessary to determine whether the last login node is recorded in the server nodes of the private cloud.
S102, if the last logged node is recorded, detecting the availability of the logged node.
And the logged-in node is a server node used when the application program logs in last time.
The availability indicates whether a server node is available, e.g., when a server fails, the server node is unavailable.
S103, if the logged node is available, logging in the logged node for data communication.
Specifically, the application program logs in the logged node for data communication.
And S104, if the logged node is unavailable, acquiring a node list from a main service node of the public cloud, selecting a first available node closest to the current terminal position in the node list, and logging in the first available node for data communication.
The main service nodes of the public cloud are uniformly deployed at the cloud end and provide the nodes of the cloud server of the infrastructure.
And when the first available node is unavailable, the node list is closest to the current terminal position, namely the available node with the highest communication speed.
The main service node of the public cloud and the server nodes of each private cloud are deployed in a Docker (open source application container engine) container standardization mode. Each service module of the main service node of the public cloud is deployed in a customized standard docker container, and the modules cooperate with each other to provide complete services such as data analysis.
The embodiment provides a mixed cloud scheme which can be conveniently and uniformly deployed and can independently provide teaching services under the condition of network disconnection, namely, the public cloud and the private cloud are provided, and data and application can be moved between the public cloud and the private cloud, so that greater flexibility is provided. Hybrid clouds to some extent merge the advantages of both public and private clouds, are cost-effective, and allow data to flow flexibly in a cloudy environment.
According to the embodiment, the logged nodes are logged to carry out data communication by judging that the logged nodes last time are recorded and available in the server nodes of the private cloud, so that communication service can be independently provided under the condition of network disconnection, and the data security is ensured; when the logged-in node is unavailable, the node closest to the current terminal position is selected according to the node list of the main service node of the public cloud for logging in, unified deployment and management are facilitated, and server nodes in the private cloud are conveniently expanded. Further, on the basis of the above method embodiment, the hybrid cloud-based data communication method further includes:
further, on the basis of the above method embodiment, the hybrid cloud-based data communication method further includes:
and S105, if the last login node is not recorded, acquiring a node list from the main service node of the public cloud, selecting a second available node closest to the current terminal position in the node list, and logging in the second available node for data communication.
The node list is a list of service nodes of each public cloud stored in the master service nodes of the public cloud.
And when the second available node is the last logged node which is not recorded, the available node which is closest to the current terminal position in the node list.
S106, storing the first available node/the second available node in a private cloud.
Specifically, the first available node/the second available node closest to the current terminal position in the selected node list is stored in each server node of the private cloud.
And S107, dynamically expanding or removing the server nodes of the private cloud/public cloud according to the service requirements.
Specifically, when the traffic is large, the current public cloud server node cannot meet the requirement, and the public cloud server node is expanded; correspondingly, when the traffic is small, most of the public cloud server nodes are in an idle state at present, and then the server nodes of part of the public cloud are removed; similarly, if the current private cloud server node cannot meet the requirement, the server node of the private cloud is expanded; correspondingly, when the traffic is small, most of the current private cloud server nodes are in an idle state, and then the server nodes of part of the private cloud are removed.
Specifically, taking school as an example, as shown in fig. 2, a connection schematic diagram of a data communication system based on a hybrid cloud is mainly included in the following parts:
1) public cloud main service node (cloud server in figure 2)
The public cloud main service node adopts Docker container standardized deployment, and the whole set of service comprises the following modules: nginx front-end service, backend rest service, mysql data store, redis data cache, rabbitmq message service, elastic search index service, big data statistics service, and the like. Each service module is deployed in a customized standard Docker container. The modules cooperate with each other to provide complete teaching, operation, data analysis and other services.
2) Private cloud service node (private cloud server in figure 2)
Generally deployed in school rooms to serve classes in a school. The private cloud server is consistent with the main server, and still adopts the standardized deployment of a Docker container, and the Docker container is also a standard container consistent with the main server. The private cloud server caches the data in class, the teacher prepares classes at the cloud end, the private cloud server and the cloud end server perform data intercommunication every 5 minutes after the class is prepared, the resource data used by the teacher in class are cached on the private cloud server, the network stability in class is guaranteed, and after class, the private cloud server can transmit the generated data back to the cloud end. Routers are responsible for NAT (network address translation) and DHCP (dynamic address assignment). The switch is responsible for information exchange in the intranet and division of the VLAN virtual local area network. The wireless controller AC is used as a wireless access point and is only responsible for the access of the wireless client. The structure can ensure the implementation standardization of the private cloud server. The private cloud server can provide complete classroom teaching service, data required by the pre-class scene and the post-class scene can be synchronized with the main server every five minutes, and seamless switching of the teaching scenes is basically guaranteed. In addition, the private cloud server is deployed in an internal network of a school, so that the school can still perform classroom teaching through the internal network under the condition that the connection of the external network is disconnected.
3) PAD end APP (8 rectangle frame in each classroom in figure 2)
PAD end APP is installed on the android flat board, and is the client product that supplies teacher and student to log in mixed cloud and carry out classroom teaching. A PAD end APP is internally provided with a flexible server adaptation mechanism, can preferentially log in a private cloud node of a school where the PAD end APP is located, and can automatically log in a public cloud node when the private cloud node cannot provide services.
Specifically, as shown in fig. 3, the system maintains a list of addresses of private cloud nodes, i.e., a list of nodes in the master service node of the public cloud, for each school. In the login process of the PAD end APP, whether a last login node is recorded or not can be determined according to the configuration of a current school and the previous login condition on the equipment, meanwhile, the usability of the private cloud node is tested, and an available node closest to the current terminal position is selected. When all private cloud nodes are unavailable, the public cloud node will be automatically logged in.
In the specific implementation process, the public cloud main service node is a high-reliability node, needs direct maintenance, is relatively fixed in architecture, and provides a high-availability service of 7x24 hours. And the private cloud service node dynamically implements expansion according to the service requirement. Generally speaking, the steps of deploying a new private cloud service node are as follows: preparing one or more physical machines forming a private network, and installing a centros system which is the same as the public cloud node; from the maintained Docker registry, synchronizing Docker images such as standard nginx/mysql/rear-end rest service/redis/reabbtmq and the like to the local; running a standard deployment script, configuring the Docker mirror images and starting the Docker mirror images; adding the new private node into a node list uniformly maintained by the main service node, and synchronizing to all other private nodes; and synchronizing necessary information such as school classes, accounts and the like to the local server from the public cloud node.
In the method provided by the embodiment, the private cloud nodes are deployed in a Docker container standardization manner, so that the lateral expansibility of the private cloud nodes is greatly enhanced, and new private cloud nodes can be added conveniently and quickly as required; meanwhile, a flexible cloud service node selection mechanism built in the client application program enables teachers and students to log in nearby private cloud nodes through an internal network of the school to engage in normal classroom teaching activities even if the school is disconnected from the external network. From the practical use effect, due to adoption of the Docker container standardized deployment, a new private cloud service node can be quickly built only in about half an hour under the condition that the server infrastructure is ready; in addition, the occasional network disconnection phenomenon occurs in part of schools due to various reasons, and under the circumstance, the private cloud nodes in the schools can still provide normal teaching services through the internal network of the schools.
Fig. 4 shows a schematic structural diagram of a data communication device based on a hybrid cloud according to the present embodiment, where the device includes: a node judgment module 401, an availability detection module 402, a first node login module 403, and a second node login module 404, wherein:
the node judgment module 401 is configured to judge whether a last login node is recorded in a server node of a private cloud in a login process of an application;
the availability detection module 402 is configured to detect the availability of a logged node if the logged node of the last time is recorded;
the first node login module 403 is configured to log in the logged-in node for data communication if the logged-in node is available;
the second node login module 404 is configured to, if the logged-in node is unavailable, obtain a node list from a main service node of a public cloud, select a first available node closest to a current terminal location in the node list, and log in the first available node for data communication.
Specifically, in the process of logging in the application program, the node determination module 401 determines whether to record the last login node in the server nodes of the private cloud; if the last logged node is recorded, the availability detection module 402 detects the availability of the logged node; the first node login module 403 logs in the logged-in node to perform data communication if the logged-in node is available; the second node login module 404, if the logged-in node is unavailable, acquires a node list from a main service node of a public cloud, selects a first available node closest to a current terminal position in the node list, and logs in the first available node to perform data communication.
According to the embodiment, the logged nodes are logged to carry out data communication by judging that the logged nodes last time are recorded and available in the server nodes of the private cloud, so that communication service can be independently provided under the condition of network disconnection, and the data security is ensured; when the logged-in node is unavailable, the node closest to the current terminal position is selected according to the node list of the main service node of the public cloud for logging in, unified deployment and management are facilitated, and server nodes in the private cloud are conveniently expanded. Further, on the basis of the above method embodiment, the hybrid cloud-based data communication method further includes:
further, on the basis of the above apparatus embodiment, the hybrid cloud-based data communication apparatus further includes:
and the third node login module is used for acquiring a node list from a main service node of the public cloud if the last login node is not recorded, selecting a second available node closest to the current terminal position in the node list, and logging in the second available node for data communication.
Further, on the basis of the above apparatus embodiment, the hybrid cloud-based data communication apparatus further includes:
a node storage module to store the first available node/the second available node in a private cloud.
Further, on the basis of the above device embodiment, the master service node of the public cloud and the server nodes of each private cloud are deployed in a standardized manner by using an open source application container engine Docker container.
Further, on the basis of the above apparatus embodiment, the hybrid cloud-based data communication apparatus further includes:
and the node adding and deleting module is used for dynamically expanding or removing the server nodes of the private cloud/public cloud according to the service requirements.
The data communication device based on the hybrid cloud according to this embodiment may be used to implement the method embodiments, and the principle and technical effect are similar, which are not described herein again.
Referring to fig. 5, the electronic device includes: a processor (processor)501, a memory (memory)502, and a bus 503;
wherein the content of the first and second substances,
the processor 501 and the memory 502 are communicated with each other through the bus 503;
the processor 501 is used to call program instructions in the memory 502 to perform the methods provided by the above-described method embodiments.
The present embodiments disclose a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the methods provided by the above-described method embodiments.
The present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the methods provided by the method embodiments described above.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
It should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A data communication method based on a hybrid cloud is characterized by comprising the following steps:
in the login process of the application program, judging whether a last login node is recorded in a server node of a private cloud or not;
if the last logged node is recorded, detecting the availability of the logged node;
if the logged node is available, logging in the logged node for data communication;
if the logged node is unavailable, acquiring a node list from a main service node of a public cloud, selecting a first available node which is closest to the current terminal position and has the highest communication speed in the node list, storing the first available node in a private cloud, and logging in the first available node for data communication;
dynamically expanding or removing server nodes of the private cloud/public cloud according to business requirements, and expanding the server nodes of the public cloud when the current public cloud server nodes cannot meet the requirements when the business volume is large; correspondingly, when the traffic is small, most of the public cloud server nodes are in an idle state at present, and then the server nodes of part of the public cloud are removed; when the service volume is large, the current private cloud server node cannot meet the requirement, and then the server node of the private cloud is expanded; when the traffic is small, most of the current private cloud server nodes are in an idle state, and the server nodes of partial private clouds are removed;
if the last logged node is not recorded, acquiring a node list from a main service node of a public cloud, selecting a second available node which is closest to the current terminal position and has the highest communication speed in the node list, storing the second available node in a private cloud, and logging in the second available node for data communication;
and the main service node of the public cloud and the server nodes of each private cloud are deployed in a standardized mode by adopting an open source application container engine Docker container.
2. A hybrid cloud-based data communication apparatus, comprising:
the node judgment module is used for judging whether a last login node is recorded in a server node of the private cloud or not in the login process of the application program;
the availability detection module is used for detecting the availability of the logged node if the logged node of the last time is recorded;
the first node login module is used for logging in the logged node for data communication if the logged node is available;
the second node login module is used for acquiring a node list from a main service node of a public cloud if the logged-in node is unavailable, selecting a first available node which is closest to the current terminal position and has the highest communication speed in the node list, storing the first available node in a private cloud through the node storage module, and logging in the first available node for data communication;
dynamically expanding or removing server nodes of the private cloud/public cloud according to business requirements, and expanding the server nodes of the public cloud when the current public cloud server nodes cannot meet the requirements when the business volume is large; correspondingly, when the traffic is small, most of the public cloud server nodes are in an idle state at present, and then the server nodes of part of the public cloud are removed; when the service volume is large, the current private cloud server node cannot meet the requirement, and then the server node of the private cloud is expanded; when the traffic is small, most of the current private cloud server nodes are in an idle state, and the server nodes of partial private clouds are removed;
the third node login module is used for acquiring a node list from a main service node of a public cloud if the last logged-in node is not recorded, selecting a second available node which is closest to the current terminal position and has the highest communication speed in the node list, storing the second available node in a private cloud through the node storage module, and logging in the second available node for data communication;
and the main service node of the public cloud and the server nodes of each private cloud are deployed in a standardized mode by adopting an open source application container engine Docker container.
3. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the hybrid cloud-based data communication method of claim 1 when executing the program.
4. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the hybrid cloud based data communication method of claim 1.
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| CN111385203B (en) * | 2020-03-19 | 2022-02-22 | 上海东普信息科技有限公司 | Data transmission method, device and equipment based on hybrid cloud and storage medium |
| CN112564888B (en) * | 2020-12-03 | 2023-01-24 | 云知声智能科技股份有限公司 | Method and equipment for deploying private cloud |
| CN115242700B (en) * | 2021-04-23 | 2024-03-22 | 网联清算有限公司 | Communication transmission method, device and system |
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