Device ID Management in Dynamic Networks
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Solution Overview
Problem
Dynamic networks face challenges in maintaining a consistent device identifier due to frequent changes in Internet Protocol (IP) addresses, leading to difficulties in tracking and managing devices effectively.
Innovation Solution
A device management system that generates and manages unique identifiers for devices within dynamic networks using certificates and IP addresses, enabling continuous tracking, switching identification, and automated workflow updates for security policies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If IP address is used as device identifier, then network communication routing is enabled, but device identifier consistency is lost due to dynamic IP changes
Solution Approach 1:
The patent segments the identification function into two parts: a stable device identifier (DeviceID) that remains constant and a dynamic IP address that changes with network location. The DeviceID is generated from device-specific attributes (serial number, MAC address, or hardware fingerprint) and is used for consistent device recognition, while the IP address handles network routing. This segmentation resolves the contradiction by separating the stability requirement from the dynamic communication requirement.
Solution Approach 2:
The patent introduces a server as an intermediary that maintains a mapping between DeviceIDs and current IP addresses. The server receives DeviceID information from devices, stores it in a database, and provides the current IP address when needed. This intermediary enables the system to resolve the contradiction by acting as a mediator between the stable DeviceID and the dynamic IP address, allowing consistent device identification while accommodating IP changes.
2Measurement precision
If device identifier remains constant, then tracking and management accuracy is improved, but adaptability to network changes is reduced
Solution Approach 1:
The patent implements a dynamic system where the server actively updates and monitors IP address changes associated with DeviceIDs. When a device changes its IP address, the server detects this change and updates the mapping in its database. This dynamic adaptation allows the system to maintain both constant DeviceID for tracking accuracy and adaptability to network changes, as the server continuously synchronizes with the changing network environment.
Solution Approach 2:
The patent employs feedback mechanisms where devices periodically report their current IP addresses to the server, and the server sends feedback to update its records. This feedback loop ensures that the system maintains accurate tracking information while adapting to network changes. The feedback mechanism allows the system to reconcile the constant DeviceID with dynamic IP addresses, resolving the contradiction between tracking precision and adaptability.
3Measurement precision
If manual intervention is used for device tracking, then control precision is maintained, but time consumption increases
Solution Approach 1:
The patent implements self-service functionality where devices automatically report their status and IP address changes to the server without requiring manual intervention. The server automatically processes these reports, updates its database, and maintains accurate tracking records. This automation eliminates manual tracking operations, reducing time consumption while maintaining or improving tracking precision through systematic automated processing.
Solution Approach 2:
The patent ensures continuous automatic tracking by having devices periodically report their status and the server continuously updating its records. This continuous action eliminates the interruptions and delays associated with manual tracking. The server operates continuously to monitor, detect, and record device movements and IP changes, providing uninterrupted accurate tracking that reduces time loss while maintaining precision.
Data Source
AI summary
A method of tracking and managing the one or more devices 106A-N in one or more networks 108A-N is provided. The method includes following steps: (i) obtaining information of the one or more devices 106A-N: (ii) creating an ID to a device; (iii) monitoring the one or more devices106A-N to identify the switching of the one or more devices 106A-N between the one or more networks 108A-N; (iv) updating a workflow of the device when the device switched to a new network from the one or more networks 108A-N; (v) generating a detailed report on all the actions performed on that particular device.