CN108833133B - Network configuration management method and device based on cloud computing network and storage medium - Google Patents
Network configuration management method and device based on cloud computing network and storage medium Download PDFInfo
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- CN108833133B CN108833133B CN201810394995.2A CN201810394995A CN108833133B CN 108833133 B CN108833133 B CN 108833133B CN 201810394995 A CN201810394995 A CN 201810394995A CN 108833133 B CN108833133 B CN 108833133B
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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
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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
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
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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
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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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
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- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Abstract
The invention discloses a network configuration management method based on a cloud computing network, which relates to the field of cloud computing and comprises the following steps: sending, by an SDN cloud network controller, network configuration instructions to a plurality of nodes in the cloud computing network; each node carries out corresponding network configuration according to the received network configuration instruction, and after the network configuration is completed, the current network configuration information of the node is disclosed to the cloud computing network; all currently disclosed network configuration information in the cloud computing network is stored by the recording node; and the SDN cloud network controller updates the record of the network configuration state of each node according to the network configuration information stored in the record node. The invention also provides a network configuration management device and a storage medium based on the cloud computing network, which can effectively improve the traceability of the automatic network configuration and the safety of the configuration record, thereby improving the reliability of the automatic network configuration based on the cloud computing network.
Description
Technical Field
The present invention relates to the field of cloud computing, and in particular, to a network configuration management method, device, and storage medium based on a cloud computing network.
Background
In the existing automatic network configuration, an SDN cloud controller sends a network configuration instruction to a plurality of nodes in a cloud network, and the plurality of nodes automatically complete the network configuration according to the instruction. In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
(1) the reliability of the network configuration record is not high: after each node executes the automated network configuration, usually only the network configuration records are stored in the local or sent to the SDN cloud network controller for backup, and when the network configuration records stored in the local or the SDN cloud network controller are tampered, it is difficult to determine the authenticity of the remaining network configuration records.
(2) The network configuration record has low security: since the confirmation of the network configuration record needs to be verified by a third party, the leakage of the configuration information is easily caused, and the security is difficult to guarantee.
The inventor finds that the automatic network configuration based on the cloud computing network has low reliability due to the existence of the problems.
Disclosure of Invention
The embodiment of the invention aims to provide a network configuration management method, a network configuration management device and a storage medium based on a cloud computing network, which can effectively improve the traceability of automatic network configuration and the safety of configuration records, thereby improving the reliability of the automatic network configuration based on the cloud computing network.
In order to achieve the above object, an embodiment of the present invention provides a network configuration management method based on a cloud computing network, including the steps of:
sending, by an SDN cloud network controller, network configuration instructions to a plurality of nodes in the cloud computing network; the plurality of nodes comprise at least one recording node and a plurality of non-recording nodes;
each node performs corresponding network configuration according to the received network configuration instruction by using a current network administrator account, and after the network configuration is completed, the current network configuration information of the node is disclosed to the cloud computing network; encrypting a current network administrator identification and a record of a current network configuration state of the local computer to generate the network configuration information;
all currently disclosed network configuration information in the cloud computing network is stored by the recording node;
the SDN cloud network controller updates the record of the network configuration state of each node according to the network configuration information stored in the record node;
each node encrypts the current network administrator identification and the current network configuration state record of the local computer by adopting a private key so as to obtain corresponding network configuration information; storing a public key paired with the private key in the SDN cloud network controller;
and when the communication interruption exceeding the preset time length occurs between a non-recording node and the recording node, selecting a new recording node from the non-recording node in which the communication interruption occurs.
As an improvement of the above-mentioned solution, the selecting a new recording node from the non-recording nodes where the communication interruption occurs includes:
selecting a node which completes encryption operation firstly from the non-recording nodes with the communication interruption, and taking the node as a new recording node; the encryption operation is to calculate a target SHA256 hash value according to the published network configuration information in the cloud computing network.
As an improvement of the above-mentioned solution, the selecting a new recording node from the non-recording nodes where the communication interruption occurs includes:
in the non-recording nodes with the communication interruption, one node is randomly selected as the recording node according to the stock right certification value held by each node and the principle that the stock right certification value is in positive linear correlation with the probability of becoming the recording node; wherein the equity proof value of each node is the product of the value of the funds held by the node and the time of holding the funds.
As an improvement of the above-mentioned solution, the selecting a new recording node from the non-recording nodes where the communication interruption occurs includes:
in the non-recording nodes with the communication interruption, each node votes for other nodes, and the node with the name of N before the vote is selected as a witness node; wherein the specific numerical value of N is preset;
and taking N witness nodes as recording nodes in turn.
As an improvement of the above scheme, the updating, by the SDN cloud network controller, the record of the network configuration state of each node includes the steps of:
acquiring network configuration information stored in each node;
and when not more than half of the obtained network configuration information is the same as the network configuration information obtained from the recording node, updating the record of the network configuration state of each node in the SDN cloud network controller according to the network configuration information stored in the recording node.
The embodiment of the invention also provides a network configuration management device based on the cloud computing network, which comprises the following steps:
the instruction module is used for controlling the SDN cloud network controller to send network configuration instructions to a plurality of nodes in the cloud computing network; the plurality of nodes comprise at least one recording node and a plurality of non-recording nodes;
the configuration module is used for controlling each node to perform corresponding network configuration according to the received network configuration instruction by using a current network administrator account, and after the network configuration is completed, the current network configuration information of the node is disclosed to the cloud computing network; encrypting a current network administrator identification and a record of a current network configuration state of the local computer to generate the network configuration information;
the recording module is used for controlling the recording node to store all currently disclosed network configuration information in the cloud computing network;
and the updating module is used for controlling the SDN cloud network controller to update the record of the network configuration state of each node according to the network configuration information stored in the record node.
The embodiment of the present invention further provides a network configuration management apparatus based on a cloud computing network, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, and when the processor executes the computer program, the network configuration management apparatus based on the cloud computing network implements the network configuration management method based on the cloud computing network.
The embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, and when the computer program runs, the device where the computer-readable storage medium is located is controlled to execute any one of the above network configuration management methods based on a cloud computing network.
Compared with the prior art, the network configuration management method, the device and the readable storage medium based on the cloud computing network disclosed by the invention have the advantages that the record of the network configuration state of the network is encrypted by each node, the corresponding network configuration information is generated and disclosed in the cloud computing network, and the network configuration information is stored by the recording node, so that the reliability of the network configuration information is improved. Because the network configuration information is disclosed in the cloud computing network and is generated after the current network administrator identification and the record of the network configuration state are encrypted, the record of the network configuration state is difficult to be falsified due to a plurality of backups while the record leakage of the network configuration state is avoided, the authenticity of the network configuration information is convenient to verify, and the traceability and the safety are greatly improved; and because the recording node stores all the network configuration information in the cloud computing network, the authenticity of the network configuration information is convenient to verify, the tracing difficulty is greatly reduced, and the reliability of automatic network configuration is improved.
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Fig. 1 is a schematic flowchart of a network configuration management method based on a cloud computing network in embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a network configuration management apparatus based on a cloud computing network in embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of a network configuration management apparatus based on a cloud computing network in embodiment 3 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flowchart of a network configuration management method based on a cloud computing network according to embodiment 1 of the present invention. The network configuration management method provided in embodiment 1 of the present invention is applicable to a cloud computing network formed by an SDN cloud network controller and a plurality of nodes, and includes steps S110 to S140.
S110, sending a network configuration instruction to a plurality of nodes in the cloud computing network by an SDN cloud network controller; the plurality of nodes includes at least one recording node and a plurality of non-recording nodes.
The recording node is used for storing network configuration information published in the cloud computing network each time. Specifically, the plurality of nodes includes at least one recording node and a plurality of non-recording nodes; it is understood that the number of the recording nodes can be two or more, and the beneficial effects of the invention are not affected.
In advance, the plurality of nodes select one of the recording nodes by voting. Specifically, among the plurality of nodes, non-record nodes, for which communication information of the record node is not detected for a preset time period, automatically become candidate nodes, and each non-candidate node votes for all the candidate nodes to select one of the candidate nodes to become the record node. Preferably, each non-recording node keeps communication with the recording node, and when the duration of the communication interruption exceeds the preset value, one recording node is elected again. The preset value can be any time value, such as ten seconds or one minute, which does not affect the beneficial effects of the invention.
S120, each node performs corresponding network configuration according to the received network configuration instruction through a current network administrator account, and after the network configuration is completed, the current network configuration information of the node is disclosed to the cloud computing network; and encrypting the current network administrator identification and the record of the current network configuration state of the local computer to generate the network configuration information.
The network administrator is a user account with the authority of network configuration.
Specifically, each node encrypts the current network administrator identification and the record of the network configuration state of the node by using a private key to obtain corresponding network configuration information; and storing a public key paired with the private key in the SDN cloud network controller.
S130, the recording node stores all currently-disclosed network configuration information in the cloud computing network.
Preferably, when a plurality of the recording nodes communicate with each other, a recording node selected later is changed to a non-recording node, and the data of the recording node is updated according to the network configuration information stored in the recording node selected earlier.
Preferably, two or two of the nodes are in communication, and when the communication interruption between a non-recording node and the recording node exceeds a preset time, a new recording node is selected from the non-recording nodes in which the communication interruption occurs.
In a preferred embodiment, the way to select a new recording node may be: selecting a node which completes encryption operation firstly from the non-recording nodes with the communication interruption, and taking the node as a new recording node; the encryption operation is to calculate a target SHA256 hash value according to the published network configuration information in the cloud computing network.
In another preferred embodiment, the manner of selecting a new recording node may also be: in the non-recording nodes with the communication interruption, one node is randomly selected as the recording node according to the stock right certification value held by each node and the principle that the stock right certification value is in positive linear correlation with the probability of becoming the recording node; wherein the equity proof value of each node is the product of the value of the funds held by the node and the time of holding the funds.
The mode of selecting a new recording node may also be: each node votes for other nodes, and the N nodes before the votes are selected as witness nodes; wherein the specific numerical value of N is preset; and taking N witness nodes as recording nodes in turn.
As another embodiment, step S130 may also include the steps of:
and acquiring the network configuration information stored in each node.
And when not more than half of the obtained network configuration information is the same as the network configuration information obtained from the recording node, updating the network configuration information stored in the recording node.
And S140, the SDN cloud network controller updates the record of the network configuration state of each node according to the network configuration information stored in the record node.
Specifically, the recording node receives and stores network configuration information disclosed in the cloud computing network, obtains a corresponding transaction record by obtaining the network configuration information from the recording node and using the public key stored by a supervisor, and updates information of each node in the cloud computing network by combining with the node corresponding to the network configuration information.
In the network configuration management method based on the cloud computing network disclosed in embodiment 1 of the present invention, each node encrypts a record of a network configuration state of the node itself to generate corresponding network configuration information and disclose the network configuration information in the cloud computing network, and the record node stores the network configuration information, so as to improve reliability of the network configuration information. Since the network configuration information is disclosed in the cloud computing network and is generated after the record of the network configuration state is encrypted, the record of the network configuration state is difficult to be falsified due to a plurality of backups while the record of the network configuration state is prevented from being leaked, the authenticity of the network configuration information is convenient to verify, and the traceability and the safety are greatly improved; and because the recording node stores all the network configuration information in the cloud computing network, the authenticity of the network configuration information is convenient to verify, the tracing difficulty is greatly reduced, and the reliability of automatic network configuration is improved.
Fig. 2 is a schematic structural diagram of a network configuration management apparatus based on a cloud computing network according to embodiment 2 of the present invention. The network configuration management device 20 provided in embodiment 2 of the present invention is suitable for a cloud computing network formed by an SDN cloud network controller and a plurality of nodes, and the network configuration management device 20 includes an instruction module 21, a configuration module 22, a recording module 23, and an updating module 24.
The instruction module 21 is configured to control an SDN cloud network controller to send a network configuration instruction to a plurality of nodes in the cloud computing network; the plurality of nodes comprise at least one recording node and a plurality of non-recording nodes; the configuration module 22 is configured to control each node to perform corresponding network configuration according to the received network configuration instruction through a current network administrator account, and after the network configuration is completed, disclose current network configuration information of the node to the cloud computing network; encrypting a current network administrator identification and a record of a current network configuration state of the local computer to generate the network configuration information; the recording module 23 is configured to control the recording node to store all currently disclosed network configuration information in the cloud computing network; the updating module 24 is configured to control the SDN cloud network controller to update the record of the network configuration state of each node according to the network configuration information stored in the record node.
The working process of the network configuration management apparatus 20 is the network configuration management method described in embodiment 1, and is not described herein again.
In the network configuration management device based on the cloud computing network disclosed in embodiment 2 of the present invention, each node encrypts a record of a network configuration state of the device to generate corresponding network configuration information, and the corresponding network configuration information is disclosed in the cloud computing network, and the network configuration information is stored by the recording node, so as to improve reliability of the network configuration information. Since the network configuration information is disclosed in the cloud computing network and is generated after the record of the network configuration state is encrypted, the record of the network configuration state is difficult to be falsified due to a plurality of backups while the record of the network configuration state is prevented from being leaked, the authenticity of the network configuration information is convenient to verify, and the traceability and the safety are greatly improved; and because the recording node stores all the network configuration information in the cloud computing network, the authenticity of the network configuration information is convenient to verify, the tracing difficulty is greatly reduced, and the reliability of automatic network configuration is improved.
Fig. 3 is a schematic diagram of a network configuration management apparatus 30 according to an embodiment of the present invention. The network configuration management apparatus 30 of this embodiment includes: a processor 31, a memory 32 and a computer program, such as a network configuration management program, stored in said memory 32 and executable on said processor. The processor 31, when executing the computer program, implements the steps in the above-mentioned embodiments of the network configuration management method, such as step S120 shown in fig. 1. Alternatively, the processor implements the functions of the modules in the device embodiments described above when executing the computer program, for example, the network configuration management device described in embodiment 2.
Illustratively, the computer program may be divided into one or more modules, which are stored in the memory 32 and executed by the processor 31 to accomplish the present invention. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the network configuration management device 30. For example, the computer program may be divided into an instruction module, a configuration module, a recording module and an update module, and the specific functions of each module are as follows: the instruction module is used for controlling an SDN cloud network controller to send network configuration instructions to a plurality of nodes in the cloud computing network; the plurality of nodes comprise at least one recording node and a plurality of non-recording nodes; the configuration module is used for controlling each node to perform corresponding network configuration according to the received network configuration instruction by using a current network administrator account, and after the network configuration is completed, the current network configuration information of the node is disclosed to the cloud computing network; encrypting a current network administrator identification and a record of a current network configuration state of the local computer to generate the network configuration information; the recording module is used for controlling the recording node to store all currently disclosed network configuration information in the cloud computing network; the updating module is configured to control the SDN cloud network controller to update the record of the network configuration state of each node according to the network configuration information stored in the record node.
The network configuration management apparatus 30 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The network configuration management device 30 may include, but is not limited to, a processor 31, a memory 32. It will be understood by those skilled in the art that the schematic diagram is merely an example of the network configuration management terminal device, and does not constitute a limitation to the network configuration management apparatus 30, and may include more or less components than those shown, or combine some components, or different components, for example, the network configuration management apparatus 30 may further include an input/output device, a network access device, a bus, etc.
The Processor 31 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor, etc., and the processor 31 is a control center of the network configuration management device 30 and connects various parts of the entire network configuration management device 30 by using various interfaces and lines.
The memory 32 may be used for storing the computer programs and/or modules, and the processor 31 implements various functions of the network configuration management device 30 by running or executing the computer programs and/or modules stored in the memory 32 and calling data stored in the memory 32. The memory 32 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 32 may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The modules integrated by the network configuration management apparatus 30 may be stored in a computer readable storage medium if they are implemented in the form of software functional units and sold or used as independent products. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like.
In the network configuration management device and the readable storage medium based on the cloud computing network disclosed in embodiment 3 of the present invention, each node encrypts the record of the network configuration state of the local node to generate corresponding network configuration information, and the corresponding network configuration information is disclosed in the cloud computing network, and the network configuration information is stored by the recording node, so as to improve the reliability of the network configuration information. Since the network configuration information is disclosed in the cloud computing network and is generated after the record of the network configuration state is encrypted, the record of the network configuration state is difficult to be falsified due to a plurality of backups while the record of the network configuration state is prevented from being leaked, the authenticity of the network configuration information is convenient to verify, and the traceability and the safety are greatly improved; and because the recording node stores all the network configuration information in the cloud computing network, the authenticity of the network configuration information is convenient to verify, the tracing difficulty is greatly reduced, and the reliability of automatic network configuration is improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. A network configuration management method based on a cloud computing network is characterized by comprising the following steps:
sending, by an SDN cloud network controller, network configuration instructions to a plurality of nodes in the cloud computing network; the plurality of nodes comprise at least one recording node and a plurality of non-recording nodes;
each node performs corresponding network configuration according to the received network configuration instruction by using a current network administrator account, and after the network configuration is completed, the current network configuration information of the node is disclosed to the cloud computing network; encrypting a current network administrator identification and a record of a current network configuration state of the local computer to generate the network configuration information;
the recording node stores all network configuration information which is currently disclosed in the cloud computing network;
the SDN cloud network controller updates the record of the network configuration state of each node according to the network configuration information stored in the record node;
each node encrypts the current network administrator identification and the current network configuration state record of the local computer by adopting a private key so as to obtain corresponding network configuration information; storing a public key paired with the private key in the SDN cloud network controller;
and when the communication interruption exceeding the preset time length occurs between a non-recording node and the recording node, selecting a new recording node from the non-recording node in which the communication interruption occurs.
2. The cloud-based network configuration management method according to claim 1, wherein the selecting a new recording node from the non-recording nodes where the communication interruption occurs comprises:
selecting a node which completes encryption operation firstly from the non-recording nodes with the communication interruption, and taking the node as a new recording node; the encryption operation is to calculate a target SHA256 hash value according to the published network configuration information in the cloud computing network.
3. The cloud-based network configuration management method according to claim 1, wherein the selecting a new recording node from the non-recording nodes where the communication interruption occurs comprises:
in the non-recording nodes with the communication interruption, one node is randomly selected as the recording node according to the stock right certification value held by each node and the principle that the stock right certification value is in positive linear correlation with the probability of becoming the recording node; wherein the equity proof value of each node is the product of the value of the funds held by the node and the time of holding the funds.
4. The cloud-based network configuration management method according to claim 1, wherein the selecting a new recording node from the non-recording nodes where the communication interruption occurs comprises:
in the non-recording nodes with the communication interruption, each node votes for other nodes, and the node with the name of N before the vote is selected as a witness node; wherein the specific numerical value of N is preset;
and taking N witness nodes as recording nodes in turn.
5. The cloud computing network-based network configuration management method of claim 1, wherein said SDN cloud network controller updates a record of network configuration status for each node, comprising the steps of:
acquiring network configuration information stored in each node;
and when not more than half of the obtained network configuration information is the same as the network configuration information obtained from the recording node, updating the network configuration information stored in the recording node.
6. A network configuration management apparatus based on a cloud computing network, comprising:
the instruction module is used for controlling the SDN cloud network controller to send network configuration instructions to a plurality of nodes in the cloud computing network; the plurality of nodes comprise at least one recording node and a plurality of non-recording nodes;
the configuration module is used for controlling each node to perform corresponding network configuration according to the received network configuration instruction by using a current network administrator account, and after the network configuration is completed, the current network configuration information of the node is disclosed to the cloud computing network; encrypting a current network administrator identification and a record of a current network configuration state of the local computer to generate the network configuration information;
the recording module is used for controlling the recording node to store all currently disclosed network configuration information in the cloud computing network;
and the updating module is used for controlling the SDN cloud network controller to update the record of the network configuration state of each node according to the network configuration information stored in the record node.
7. A network configuration management apparatus based on a cloud computing network, comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the network configuration management method based on the cloud computing network according to any one of claims 1 to 5 when executing the computer program.
8. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and wherein when the computer program runs, the computer-readable storage medium controls a device to execute the method for managing network configuration based on a cloud computing network according to any one of claims 1 to 5.
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