Remote control method with real result feedback

By conducting requirements analysis, customized design and real-time monitoring of remote control methods in software-defined wide area networks, calculating remote control evaluation index and adjusting SD-WAN system, the problem of lack of real-time feedback and flexibility of traditional remote control methods is solved, and efficient and flexible network management and optimization are achieved.

CN119835290AActive Publication Date: 2025-04-15PACIFIC BUSINESS SOLUTIONS (CHINA) CO LTD
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Patent Information

Application Number
CN202411710375.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-04-15
Estimated Expiration
2044-11-27

AI Technical Summary

Technical Problem

The traditional software-defined remote control methods in wide-area networks lack real-time feedback, which leads to users being unable to understand the status or operation results of remote devices in a timely manner, increasing operational difficulty and error rate, and lacking flexibility and scalability, making them unable to adapt well to the changing network environment.

Method used

By conducting requirements analysis, customized design, deployment and testing of SD-WAN, establish remote connections, monitor and collect network performance status parameters and application service parameters in real time, and perform remote control operations on remote devices based on business needs and security policies. Further analyze these parameters, calculate the remote control evaluation index, evaluate whether the performance of the SD-WAN system can meet business needs and security requirements, and adjust and optimize the system based on the evaluation results.

Benefits of technology

Real-time monitoring and dynamic adjustment of network status are realized, real-time and response speed of the SD-WAN system are improved, operation and maintenance costs are reduced, key services are ensured, and network reliability and flexibility are improved.

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Abstract

The invention discloses a remote control method with real result feedback, and particularly relates to the technical field of remote control, which comprises the following steps: S1, carrying out demand analysis; s2, performing customized design according to a demand analysis result; s3, deploying and testing the SD-WAN according to the customized design; s4, remote connection is established, network performance state parameters and application service parameters are monitored and collected in real time, and remote control operation is carried out on remote equipment according to service requirements and security policies; s5, further analyzing the network performance state parameter and the application service parameter, and calculating a remote control evaluation index of the software-defined wide area network; s6, a remote control evaluation index of the wide area network is defined through software, and whether the SD-WAN system performance can meet the service requirement and the safety requirement or not is evaluated; and S7, adjusting and optimizing the SD-WAN system according to an evaluation result of the SD-WAN system, and transmitting the evaluation result to a user information end. The real-time performance of the SD-WAN system is effectively improved, the network performance is more effectively optimized, and stable operation of key services is ensured.
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Description

Technical Field

[0001] The present invention relates to the technical field of remote control, and more particularly to a remote control method with real result feedback. Background Art

[0002] With the continuous expansion and complexity of telecommunications networks, the demand for remote monitoring, management, and troubleshooting of equipment is increasing. The rapid development of communication technology, computer technology, and network technology has provided the necessary technical support for remote control. Remote control systems have powerful real-time monitoring and remote control functions, as well as advanced functions such as data analysis and intelligent early warning. They are widely used in base station monitoring, network management, equipment maintenance, etc. Remote control technology provides telecom operators with a more flexible and efficient operation and maintenance model, reducing operation and maintenance costs. Software-defined WAN realizes network function virtualization and centralized management through software definition. Remote control technology can be more flexibly applied to WAN environments.

[0003] The traditional remote control method in software-defined domain network needs to clarify the goal, scope, and functional requirements of remote control, analyze the type, operating system, and network environment of the controlled device; design the SD-WAN network architecture based on the results of the demand analysis, determine the connection method of the primary and backup links, data centers, and branches; formulate access control policies, configure data encryption and firewalls; select remote control software to build a remote control platform, and ensure that the software supports remote connection and data transmission in the SD-WAN environment; the master user connects to the controlled device and controls the controlled device; monitors and manages the controlled device in real time, and optimizes the performance of SD-WAN and remote control software according to actual needs and network environment. By following these steps and continuously optimizing, the effectiveness and security of remote control methods in the SD-WAN environment can be ensured.

[0004] However, in actual use, it still has some shortcomings, such as insufficient interactivity. The traditional remote control method in the software-defined domain network lacks real-time feedback, which makes it impossible for users to understand the status of the remote device or the operation results in a timely manner, and cannot accurately judge the operation progress and results, which increases the difficulty of operation and the error rate; insufficient flexibility and scalability. The traditional remote control method cannot adapt well to the changing network environment, lacks remote collaboration functions, and cannot provide a good user experience and a more flexible operation method. Summary of the invention

[0005] In order to overcome the above defects of the prior art, an embodiment of the present invention provides a remote control method with real result feedback, and solves the problems raised in the above background technology through the following scheme.

[0006] To achieve the above object, the present invention provides the following technical solutions: S1: Conduct demand analysis, including business demand analysis, security demand analysis, network topology analysis, and cost-benefit analysis; S2: Customized design based on the results of demand analysis, including network topology design, QoS configuration, and security policy definition; S3: Deploy and test SD-WAN based on customized design, including hardware and software installation, configuration and integration, and comprehensive testing; S4: Establish a remote connection, monitor and collect network performance status parameters and application service parameters in real time, and remotely control remote devices according to business needs and security policies; S5: further analyzing the network performance status parameters and the application service parameters, establishing a network performance status parameter analysis unit, an application service parameter analysis unit, and a comprehensive analysis unit, and calculating a remote control evaluation index of the software defined wide area network; S6: Evaluate whether the SD-WAN system performance meets business needs and security requirements through the remote control evaluation index of the software-defined wide area network; S7: Adjust and optimize the SD-WAN system based on its evaluation results, and transmit the evaluation results to the user information end.

[0007] Preferably, the business demand analysis includes bandwidth requirements, application performance requirements, and remote office support; the security demand analysis includes data encryption, access control, and threat detection and defense; in addition, the demand analysis also includes network topology analysis and cost-benefit analysis.

[0008] Preferably, the network topology design is to design the network topology structure of the SD-WAN based on the results of the demand analysis; the QoS configuration is to configure the QoS rules according to the results of the demand analysis; the security policy definition includes firewall rules, intrusion detection system configuration, and VPN settings.

[0009] Preferably, the network performance status parameters include network performance parameters and device security parameters, and the network performance parameters include bandwidth utilization, delay time, packet loss rate, and error rate, specifically expressed as η B , T, η P , and η e ; Equipment security parameters include data backup rate, data recovery rate, regular vulnerability scanning time, firewall status, and IDS status, specifically represented by η d , η r ,t,S f , and S I ; Application service parameters include application performance parameters and service quality parameters. Application performance parameters include application resource occupancy rate, number of concurrent application users, application response time, and application throughput, specifically expressed as ηo , N, T r , and A; the service quality parameters include the committed burst size, the exceeded burst size, and the committed time interval, specifically denoted as B c , B e , and T c .

[0010] Preferably, the remote control operation on the remote device includes the following steps: A1: Configure network parameters on the SD-WAN device, including IP address, subnet mask, and gateway, and configure multiple network lines based on demand analysis; A2: Configure the connection parameters of the remote control software, including port number, user name, and password; A3: Establish a remote desktop connection, enter the IP address and port number of the target device, and verify the identity information; A4: View the operation results of the remote device in real time through the remote control software interface.

[0011] Preferably, the network performance status parameter analysis unit is used to establish a network performance status parameter analysis model, import the network performance parameters and the device security parameters into the network performance status parameter analysis model, calculate the network performance evaluation index and the device security evaluation index respectively, and calculate the network performance status evaluation index through the network performance evaluation index and the device security evaluation index. The network performance evaluation index is specifically expressed as:

[0012] y1 represents the network performance evaluation index of the SD-WAN system, η B represents the bandwidth utilization of the SD-WAN system within the specified monitoring time, T represents the delay time of the SD-WAN system, and η P represents the packet loss rate of the SD-WAN system within the specified monitoring time, η e It represents the error rate of the SD-WAN system within the specified monitoring time. α1, α2, α3, and α4 represent the influence coefficients of bandwidth utilization, delay time, packet loss rate, and error rate on the network performance evaluation index respectively. The device security evaluation index is specifically expressed as: y2 represents the equipment security evaluation index of the SD-WAN system, η d Indicates the data backup rate of the SD-WAN system within the specified monitoring time, η r represents the data recovery rate of the SD-WAN system within the specified monitoring time, t represents the regular vulnerability scanning time of the SD-WAN system within the specified monitoring time, and S f Indicates the firewall status of the SD-WAN system within the specified monitoring time. Irepresents the IDS status of the SD-WAN system within the specified monitoring time, β1, β2, β3, β4, and β5 represent the influence coefficients of data backup rate, data recovery rate, regular vulnerability scanning time, firewall status, and IDS status on the device security assessment index, respectively, and b is a known constant; the network performance status assessment index is specifically expressed as:

[0013] y 网 represents the network performance status evaluation index of the SD-WAN system, ε1 and ε2 represent the influence coefficients of the network performance evaluation index and the equipment security evaluation index on the network performance status evaluation index, respectively.

[0014] Preferably, the application service parameter analysis unit is used to establish an application service parameter analysis model, import the application performance parameter and the service quality parameter into the application service parameter analysis model, calculate the application performance evaluation index and the service quality evaluation index respectively, and calculate the application service parameter evaluation index through the application performance evaluation index and the service quality evaluation index, and the application performance evaluation index is specifically expressed as:

[0015] y3 represents the application performance evaluation index of the SD-WAN system, η o It indicates the application resource utilization rate of the SD-WAN system within the specified monitoring period. N indicates the number of concurrent application users of the SD-WAN system within the specified monitoring period. T r represents the application response time of the SD-WAN system within the specified monitoring time, A represents the application throughput of the SD-WAN system within the specified monitoring time, μ1, μ2, μ3, and μ4 represent the influence coefficients of application resource occupancy, number of concurrent application users, application response time, and application throughput on the application performance evaluation index, respectively, c1 and c2 are known constants; the service quality evaluation index is specifically expressed as:

[0016] y4 represents the service quality evaluation index of the SD-WAN system, B c Indicates the committed burst size of the SD-WAN system within the specified monitoring time, B e Indicates the burst size exceeded by the SD-WAN system within the specified monitoring time, T c represents the committed time interval of the SD-WAN system within the specified monitoring time, σ1, σ2, and σ3 represent the impact coefficients of the committed burst size, the exceeded burst size, and the committed time interval on the service quality evaluation index, respectively, and c3 and c4 are known constants; the application service parameter evaluation index is specifically expressed as:

[0017] y 应 represents the application service parameter evaluation index of the SD-WAN system, ε3 and ε4 respectively represent the influence coefficients of the application performance evaluation index and the service quality evaluation index on the application service parameter evaluation index.

[0018] Preferably, the comprehensive analysis unit is used to establish a comprehensive analysis model, import the network performance status evaluation index and the application service parameter evaluation index into the comprehensive analysis model, and calculate the remote control evaluation index, which is specifically expressed as:

[0019] φ represents the remote control evaluation index of the SD-WAN system, y 网 represents the network performance status evaluation index of the SD-WAN system, y 应 represents the application service parameter evaluation index of the SD-WAN system, y 网标 Represents the standard value of the network performance status evaluation index of the SD-WAN system, y 应标 Indicates the standard value of the application service parameter evaluation index of the SD-WAN system.

[0020] Preferably, the evaluation of whether the SD-WAN system performance can meet the business needs and security requirements requires the construction of a remote control evaluation index warning value, specifically expressed as φ 标 , when φ<φ 标 When φ>φ, it means that the remote control evaluation index is less than the remote control evaluation index warning value, and the SD-WAN system performance meets business needs and security requirements; 标 , it means that the remote control evaluation index is greater than the remote control evaluation index warning value, and the SD-WAN system performance does not meet business needs and security requirements.

[0021] Preferably, the user information terminal includes a remote control port, a command line interface, a graphical user interface, and allows users to remotely configure, monitor and manage SD-WAN devices.

[0022] Technical effects and advantages of the present invention: 1. The present invention can realize real-time monitoring and dynamic adjustment of network status by providing a remote control method with real result feedback, thereby improving the real-time performance of the SD-WAN system, ensuring that network administrators can quickly respond to changes in the network and adjust network configurations and policies in a timely manner, thereby improving the overall efficiency and response speed of the network, and can make accurate decisions based on real-time network data. These decisions are based on accurate network status information, can more effectively optimize network performance, and ensure the stable operation of key services. Through the feedback mechanism, SD-WAN can continuously verify and adjust its decisions, further improving the reliability of the network; 2. The present invention helps SD-WAN achieve more refined network management and reduce network operating costs by providing a remote control method with real result feedback. By real-time monitoring and dynamic adjustment of network configuration, network resources can be used more effectively, unnecessary bandwidth waste can be avoided, the impact of manual intervention and network failures on business can be reduced, and operation and maintenance costs can be further reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the method steps of the present invention.

[0024] Figure 2 The figure is a schematic diagram of the steps of the method for remotely controlling a remote device according to the present invention. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] As attached Figure 1 The remote control method with real result feedback shown includes the following steps: S1: Conduct demand analysis, including business demand analysis, security demand analysis, network topology analysis, and cost-benefit analysis.

[0027] Furthermore, business demand analysis includes bandwidth requirements, application performance requirements, and remote office support; security demand analysis includes data encryption, access control, and threat detection and defense; in addition, demand analysis also includes network topology analysis and cost-benefit analysis.

[0028] What needs to be specifically explained in this embodiment is that the bandwidth demand of the business demand analysis needs to analyze the network traffic pattern of the organization; determine the actual bandwidth demand, and the application performance analysis needs to determine the performance requirements of key programs, including real-time video, voice communication, and key business applications; remote office support analysis needs to ensure that the SD-WAN system can provide reliable remote connections. Data encryption in security demand analysis needs to ensure that the SD-WAN can provide strong data encryption functions; access control needs to define access control policies to ensure that only authorized users can access specific resources; threat detection and defense needs to ensure that the SD-WAN system should have threat detection and defense functions. Network topology analysis needs to analyze the network topology of the organization, including the location and connection methods of different office locations. Cost-benefit analysis requires cost estimation and comparison with traditional WAN solutions to ensure the rationality of the investment in SD-WAN.

[0029] S2: Customized design is performed based on the results of demand analysis, including network topology design, QoS configuration, and security policy definition.

[0030] Furthermore, network topology design is to design the network topology structure of SD-WAN based on the results of demand analysis; QoS configuration is to configure QoS rules based on the results of demand analysis; security policy definition includes firewall rules, intrusion detection system configuration, and VPN settings.

[0031] What needs to be specifically explained in this embodiment is that the network topology of SD-WAN includes the setting of primary / backup links, the connection method of branch offices, and the integration of data centers; when configuring QoS rules, the performance optimization of key applications should be ensured, including bandwidth allocation, traffic shaping, and priority management; security policy definitions should be formulated to ensure that only authorized users can initiate remote control.

[0032] S3: Deploy and test SD-WAN based on custom design, including hardware and software installation, configuration and integration, and comprehensive testing.

[0033] What needs to be specifically explained in this embodiment is that the deployment and testing of SD-WAN requires the installation of the hardware and software equipment required for SD-WAN, the configuration of the SD-WAN equipment, and the integration with other network systems. After the deployment is completed, a comprehensive test is carried out to ensure that the system operates as expected. The test should cover network connection, data transmission, security, and remote control functions.

[0034] S4: Establish a remote connection, monitor and collect network performance status parameters and application service parameters in real time, and remotely control remote devices according to business needs and security policies.

[0035] Furthermore, the network performance status parameters include network performance parameters and device security parameters. The network performance parameters include bandwidth utilization, delay time, packet loss rate, and error rate, which are specifically expressed as η B , T, η P , and η e ; Equipment security parameters include data backup rate, data recovery rate, regular vulnerability scanning time, firewall status, and IDS status, specifically represented by η d , η r ,t,S f , and S I ; Application service parameters include application performance parameters and service quality parameters. Application performance parameters include application resource occupancy rate, number of concurrent application users, application response time, and application throughput, specifically expressed as η o , N, T r, and A; the service quality parameters include the committed burst size, the exceeded burst size, and the committed time interval, specifically denoted as B c , B e , and T c .

[0036] What needs to be specifically explained in this embodiment is that the bandwidth utilization reflects the actual usage of the network link, the delay time measures the time required for a data packet to travel from the sender to the receiver, the packet loss rate indicates the proportion of data packets lost during network transmission, and a high packet loss rate may cause application performance degradation, and the error rate indicates the frequency of errors occurring during network transmission, and a high error rate may cause data loss or transmission failure, affecting network performance; the data backup rate and data recovery rate are used to measure whether the device has a regular backup and disaster recovery plan to cope with possible data loss or damage, the regular vulnerability scanning time is used to regularly scan the device for vulnerabilities, and promptly discover and repair security vulnerabilities, the firewall status indicates whether the firewall is turned on, and evaluates whether its rule configuration is reasonable and whether it can effectively prevent unauthorized access, and the IDS status indicates whether there is abnormal network activity; the committed burst size indicates the total amount of data that the network allows to be transmitted on the virtual circuit under normal conditions and within a certain time interval.

[0037] Furthermore, the remote control operation of the remote device includes the following steps: A1: Configure network parameters on the SD-WAN device, including IP address, subnet mask, and gateway, and configure multiple network lines based on demand analysis; A2: Configure the connection parameters of the remote control software, including port number, user name, and password; A3: Establish a remote desktop connection, enter the IP address and port number of the target device, and verify the identity information; A4: View the operation results of the remote device in real time through the remote control software interface.

[0038] S5: Further analyze the network performance status parameters and application service parameters, establish a network performance status parameter analysis unit, an application service parameter analysis unit, and a comprehensive analysis unit, and calculate the remote control evaluation index of the software-defined wide area network.

[0039] Further, the network performance status parameter analysis unit is used to establish a network performance status parameter analysis model, import the network performance parameters and the device security parameters into the network performance status parameter analysis model, calculate the network performance evaluation index and the device security evaluation index respectively, and calculate the network performance status evaluation index through the network performance evaluation index and the device security evaluation index. The network performance evaluation index is specifically expressed as:

[0040] y1 represents the network performance evaluation index of the SD-WAN system, η B represents the bandwidth utilization of the SD-WAN system within the specified monitoring time, T represents the delay time of the SD-WAN system, and η P represents the packet loss rate of the SD-WAN system within the specified monitoring time, η e It represents the error rate of the SD-WAN system within the specified monitoring time. α1, α2, α3, and α4 represent the influence coefficients of bandwidth utilization, delay time, packet loss rate, and error rate on the network performance evaluation index respectively. The device security evaluation index is specifically expressed as:

[0041] y2 represents the equipment security evaluation index of the SD-WAN system, η d Indicates the data backup rate of the SD-WAN system within the specified monitoring time, η r represents the data recovery rate of the SD-WAN system within the specified monitoring time, t represents the regular vulnerability scanning time of the SD-WAN system within the specified monitoring time, and S f Indicates the firewall status of the SD-WAN system within the specified monitoring time. I represents the IDS status of the SD-WAN system within the specified monitoring time, β1, β2, β3, β4, and β5 represent the influence coefficients of data backup rate, data recovery rate, regular vulnerability scanning time, firewall status, and IDS status on the device security assessment index, respectively, and b is a known constant; the network performance status assessment index is specifically expressed as:

[0042] y 网 represents the network performance status evaluation index of the SD-WAN system, ε1 and ε2 represent the influence coefficients of the network performance evaluation index and the equipment security evaluation index on the network performance status evaluation index, respectively.

[0043] Furthermore, the application service parameter analysis unit is used to establish an application service parameter analysis model, import the application performance parameter and the service quality parameter into the application service parameter analysis model, calculate the application performance evaluation index and the service quality evaluation index respectively, and calculate the application service parameter evaluation index through the application performance evaluation index and the service quality evaluation index. The application performance evaluation index is specifically expressed as:

[0044] y3 represents the application performance evaluation index of the SD-WAN system, η o It indicates the application resource utilization rate of the SD-WAN system within the specified monitoring period. N indicates the number of concurrent application users of the SD-WAN system within the specified monitoring period. T rrepresents the application response time of the SD-WAN system within the specified monitoring time, A represents the application throughput of the SD-WAN system within the specified monitoring time, μ1, μ2, μ3, and μ4 represent the influence coefficients of application resource occupancy, number of concurrent application users, application response time, and application throughput on the application performance evaluation index, respectively, c1 and c2 are known constants; the service quality evaluation index is specifically expressed as:

[0045] y4 represents the service quality evaluation index of the SD-WAN system, B c Indicates the committed burst size of the SD-WAN system within the specified monitoring time, B e Indicates the burst size exceeded by the SD-WAN system within the specified monitoring time, T c represents the committed time interval of the SD-WAN system within the specified monitoring time, σ1, σ2, and σ3 represent the impact coefficients of the committed burst size, the exceeded burst size, and the committed time interval on the service quality evaluation index, respectively, and c3 and c4 are known constants; the application service parameter evaluation index is specifically expressed as:

[0046] y 应 represents the application service parameter evaluation index of the SD-WAN system, ε3 and ε4 respectively represent the influence coefficients of the application performance evaluation index and the service quality evaluation index on the application service parameter evaluation index.

[0047] S6: Use the remote control evaluation index of the software-defined wide area network to evaluate whether the SD-WAN system performance can meet business needs and security requirements.

[0048] Further, the comprehensive analysis unit is used to establish a comprehensive analysis model, import the network performance status evaluation index and the application service parameter evaluation index into the comprehensive analysis model, and calculate the remote control evaluation index, which is specifically expressed as:

[0049] φ represents the remote control evaluation index of the SD-WAN system, y 网 represents the network performance status evaluation index of the SD-WAN system, y 应 represents the application service parameter evaluation index of the SD-WAN system, y 网标 Represents the standard value of the network performance status evaluation index of the SD-WAN system, y 应标 Indicates the standard value of the application service parameter evaluation index of the SD-WAN system.

[0050] Furthermore, to evaluate whether the SD-WAN system performance can meet business needs and security requirements, it is necessary to construct a remote control evaluation index warning value, which is specifically expressed as φ 标 , when φ<φ 标 When φ>φ, it means that the remote control evaluation index is less than the remote control evaluation index warning value, and the SD-WAN system performance meets business needs and security requirements; 标 , it means that the remote control evaluation index is greater than the remote control evaluation index warning value, and the SD-WAN system performance does not meet business needs and security requirements.

[0051] S7: Adjust and optimize the SD-WAN system based on its evaluation results, and transmit the evaluation results to the user information end.

[0052] Furthermore, the user information terminal includes a remote control port, a command line interface, a graphical user interface, and allows users to remotely configure, monitor, and manage SD-WAN devices.

[0053] What needs to be specifically explained in this embodiment is that adjusting and optimizing the SD-WAN system according to the evaluation results requires adjusting bandwidth allocation and optimizing routing strategies, regularly strengthening the security of the SD-WAN and remote control systems, updating security patches and strengthening identity authentication, providing users with remote control software usage training and technical support, and continuously optimizing remote control methods and processes.

[0054] As attached Figure 2 As shown, the present invention provides a method for remotely controlling a remote device, comprising the following steps: A1: Configure network parameters on the SD-WAN device, including IP address, subnet mask, and gateway, and configure multiple network lines based on demand analysis; A2: Configure the connection parameters of the remote control software, including port number, user name, and password; A3: Establish a remote desktop connection, enter the IP address and port number of the target device, and verify the identity information; A4: View the operation results of the remote device in real time through the remote control software interface.

[0055] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures involved in the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the case of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other; Finally: The above description is only the preferred embodiment of the present invention and is not used to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A remote control method with real result feedback, characterized in that: include: S1: Conduct demand analysis, including business demand analysis, security demand analysis, network topology analysis, and cost-benefit analysis; S2: Customized design based on the results of demand analysis, including network topology design, QoS configuration, and security policy definition; S3: Deploy and test SD-WAN based on customized design, including hardware and software installation, configuration and integration, and comprehensive testing; S4: Establish a remote connection, monitor and collect network performance status parameters and application service parameters in real time, and remotely control remote devices according to business needs and security policies; S5: further analyzing the network performance status parameters and the application service parameters, establishing a network performance status parameter analysis unit, an application service parameter analysis unit, and a comprehensive analysis unit, and calculating a remote control evaluation index of the software defined wide area network; S6: Evaluate whether the SD-WAN system performance meets business needs and security requirements through the remote control evaluation index of the software-defined wide area network; S7: Adjust and optimize the SD-WAN system based on its evaluation results, and transmit the evaluation results to the user information end.

2. The remote control method with real result feedback according to claim 1, characterized in that: The business demand analysis includes bandwidth requirements, application performance requirements, and remote office support; the security demand analysis includes data encryption, access control, and threat detection and defense; in addition, the demand analysis also includes network topology analysis and cost-benefit analysis.

3. The remote control method with real result feedback according to claim 1, characterized in that: The network topology design is based on the result of demand analysis to design the network topology structure of SD-WAN; QoS configuration is to configure QoS rules based on the results of demand analysis; security policy definition includes firewall rules, intrusion detection system configuration, and VPN settings.

4. The remote control method with real result feedback according to claim 1, characterized in that: The network performance status parameters include network performance parameters and device security parameters. The network performance parameters include bandwidth utilization, delay time, packet loss rate, and error rate, specifically represented by η B , T, η P , and η e ; Equipment security parameters include data backup rate, data recovery rate, regular vulnerability scanning time, firewall status, and IDS status, specifically represented by η d , η r ,t,S f , and S I ; Application service parameters include application performance parameters and service quality parameters. Application performance parameters include application resource occupancy rate, number of concurrent application users, application response time, and application throughput, specifically expressed as η o , N, T r , and A; the service quality parameters include the committed burst size, the exceeded burst size, and the committed time interval, specifically denoted as B c , B e , and T c .

5. The remote control method with real result feedback according to claim 1, characterized in that: The remote control operation of the remote device comprises the following steps: A1: Configure network parameters on the SD-WAN device, including IP address, subnet mask, and gateway, and configure multiple network lines based on demand analysis; A2: Configure the connection parameters of the remote control software, including port number, user name, and password; A3: Establish a remote desktop connection, enter the IP address and port number of the target device, and verify the identity information; A4: View the operation results of the remote device in real time through the remote control software interface.

6. The remote control method with real result feedback according to claim 1, characterized in that: The network performance status parameter analysis unit is used to establish a network performance status parameter analysis model, import the network performance parameters and the device security parameters into the network performance status parameter analysis model, calculate the network performance evaluation index and the device security evaluation index respectively, and calculate the network performance status evaluation index through the network performance evaluation index and the device security evaluation index. The network performance evaluation index is specifically expressed as: y1 represents the network performance evaluation index of the SD-WAN system, η B represents the bandwidth utilization of the SD-WAN system within the specified monitoring time, T represents the delay time of the SD-WAN system, and η P represents the packet loss rate of the SD-WAN system within the specified monitoring time, η e It represents the error rate of the SD-WAN system within the specified monitoring time. α1, α2, α3, and α4 represent the influence coefficients of bandwidth utilization, delay time, packet loss rate, and error rate on the network performance evaluation index respectively. The device security evaluation index is specifically expressed as: y2 represents the equipment security evaluation index of the SD-WAN system, η d Indicates the data backup rate of the SD-WAN system within the specified monitoring time, η r represents the data recovery rate of the SD-WAN system within the specified monitoring time, t represents the regular vulnerability scanning time of the SD-WAN system within the specified monitoring time, and S f Indicates the firewall status of the SD-WAN system within the specified monitoring time. I represents the IDS status of the SD-WAN system within the specified monitoring time, β1, β2, β3, β4, and β5 represent the influence coefficients of data backup rate, data recovery rate, regular vulnerability scanning time, firewall status, and IDS status on the device security assessment index, respectively, and b is a known constant; the network performance status assessment index is specifically expressed as : y 网 represents the network performance status evaluation index of the SD-WAN system, ε1 and ε2 represent the influence coefficients of the network performance evaluation index and the equipment security evaluation index on the network performance status evaluation index respectively. .

7. The remote control method with real result feedback according to claim 1, characterized in that: The application service parameter analysis unit is used to establish an application service parameter analysis model, import application performance parameters and service quality parameters into the application service parameter analysis model, calculate application performance evaluation index and service quality evaluation index respectively, and calculate application service parameter evaluation index by application performance evaluation index and service quality evaluation index. The application performance evaluation index is specifically expressed as: y3 represents the application performance evaluation index of the SD-WAN system, η o It indicates the application resource utilization rate of the SD-WAN system within the specified monitoring period. N indicates the number of concurrent application users of the SD-WAN system within the specified monitoring period. T r represents the application response time of the SD-WAN system within the specified monitoring time, A represents the application throughput of the SD-WAN system within the specified monitoring time, μ1, μ2, μ3, and μ4 represent the influence coefficients of application resource occupancy, number of concurrent application users, application response time, and application throughput on the application performance evaluation index, respectively, c1 and c2 are known constants; the service quality evaluation index is specifically expressed as : y4 represents the service quality evaluation index of the SD-WAN system, B c Indicates the committed burst size of the SD-WAN system within the specified monitoring time, B e Indicates the burst size exceeded by the SD-WAN system within the specified monitoring time, T c represents the committed time interval of the SD-WAN system within the specified monitoring time, σ1, σ2, and σ3 represent the impact coefficients of the committed burst size, the exceeded burst size, and the committed time interval on the service quality evaluation index, respectively, and c3 and c4 are known constants; the application service parameter evaluation index is specifically expressed as: y 应 represents the application service parameter evaluation index of the SD-WAN system, ε3 and ε4 respectively represent the influence coefficients of the application performance evaluation index and the service quality evaluation index on the application service parameter evaluation index.

8. The remote control method with real result feedback according to claim 1, characterized in that: The comprehensive analysis unit is used to establish a comprehensive analysis model, import the network performance status evaluation index and the application service parameter evaluation index into the comprehensive analysis model, and calculate the remote control evaluation index, which is specifically expressed as: φ represents the remote control evaluation index of the SD-WAN system, y 网 represents the network performance status evaluation index of the SD-WAN system, y 应 represents the application service parameter evaluation index of the SD-WAN system, y 网标 Represents the standard value of the network performance status evaluation index of the SD-WAN system, y 应标 Indicates the standard value of the application service parameter evaluation index of the SD-WAN system .

9. The remote control method with real result feedback according to claim 1, characterized in that: To evaluate whether the SD-WAN system performance can meet business needs and security requirements, it is necessary to construct a remote control evaluation index warning value, specifically expressed as φ 标 , when φ<φ 标 When φ>φ, it means that the remote control evaluation index is less than the remote control evaluation index warning value, and the SD-WAN system performance meets business needs and security requirements; 标 , it means that the remote control evaluation index is greater than the remote control evaluation index warning value, and the SD-WAN system performance does not meet business needs and security requirements.

10. The remote control method with real result feedback according to claim 1, characterized in that: The user information terminal includes a remote control port, a command line interface, a graphical user interface, and allows users to remotely configure, monitor and manage SD-WAN devices.

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