Device Management System Access Information Synchronization
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Solution Overview
Problem
Existing device management systems face challenges in managing network devices due to discrepancies in access information timing between users operating cloud-based device management servers and those operating management clients or devices in client networks, leading to temporary monitoring disruptions and unauthorized access risks.
Innovation Solution
A device management system that includes a monitoring device and a device management server, where the monitoring device is equipped with a processor or circuit to perform functions such as acquiring identification and access information, managing this information, and updating access information if it does not match, ensuring continuous monitoring and security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the management client acquires and saves access information from the device management server before the device's access information is actually changed, then the management client can maintain a record of access information changes, but communication cannot be performed due to IP address mismatch until the device's access information is changed
Solution Approach 1:
The management client proactively acquires access information from the device management server in advance and stores it locally. When communication is attempted, the client checks whether the stored access information matches the current device address. If a mismatch is detected, the client automatically updates its records with the correct access information, ensuring continuous communication without manual intervention.
Solution Approach 2:
The system implements a feedback mechanism where the management client continuously monitors whether communication with network devices is successful. When communication fails due to access information mismatch, the client receives feedback about the failure, automatically retrieves updated access information from the device management server, and retries communication, thereby maintaining reliable monitoring.
2Adaptability or versatility
If access information different from the current device is added to the whitelist for proxy function, then communication from various access sources can be permitted, but unauthorized access sources may be permitted in the whitelist
Solution Approach 1:
The management client acquires the correct access information of network devices in advance from the device management server and stores it in the whitelist before communication occurs. This preliminary action ensures that only currently valid access information is added to the whitelist, preventing unauthorized access sources from being mistakenly permitted while still allowing flexible communication from legitimate devices.
Data Source
AI summary
In a device management system, if access information that has been newly acquired from a device management server differs from access information managed by a management client, the newly acquired access information is saved only if identification information acquired using the access information newly acquired from the device management server matches identification information managed by the management client, and if a device aggregates communication by proxy, a proxy whitelist is updated. In addition, a network device has a transmission unit configured to transmit data of the network device to a monitoring device in order to transmit the data to the device management server.