Hash-Based IoT Device Configuration Management
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Solution Overview
Problem
Managing configurations for large populations of IoT devices is technically challenging due to unique configurations per device, factors like wireless coverage strength, power state, and potential tampering, which complicates efficient management and security.
Innovation Solution
A hash-based device configuration management system that uses a single library for unique device configurations, secure abstraction of configuration files, and automated processes for deployment and synchronization, reducing the need for full configuration file transmission and enhancing network security through hash values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If full configuration files are transmitted and managed for each device, then complete configuration control is achieved, but network bandwidth consumption increases and management complexity increases
Solution Approach 1:
The patent extracts the essential verification element (hash value) from the complete configuration file, allowing the system to manage and verify configurations without transmitting entire files. Only small hash values are transmitted and stored, while the full configuration files remain locally on devices, dramatically reducing network bandwidth usage while maintaining configuration control capability.
Solution Approach 2:
Instead of managing and transmitting original configuration files, the system creates and manages hash value copies of the configurations. These hash copies serve as verification tokens that enable configuration control and integrity checking without requiring the actual configuration file data to be transmitted or stored centrally.
2Reliability
If configuration files are frequently updated and synchronized across devices, then device configurations remain current, but network bandwidth consumption and processing time increase
Solution Approach 1:
The system extracts only the hash value portion of configuration data for transmission and synchronization purposes. When configurations are updated, only the new hash values need to be transmitted to devices for verification, rather than transmitting entire configuration files, significantly reducing synchronization time and network bandwidth consumption.
Solution Approach 2:
The system performs partial synchronization by transmitting only the essential verification data (hash values) rather than complete configuration files. This partial action approach maintains configuration synchronization reliability while minimizing the time and bandwidth resources required for updates.
3Reliability
If configuration integrity is verified through full file comparison, then security is ensured, but processing overhead and network bandwidth increase
Solution Approach 1:
The system extracts the critical security verification element (hash value) from the complete configuration file. By comparing only these small hash values rather than entire configuration files, the system maintains strong security and integrity verification capabilities while dramatically reducing processing overhead and network bandwidth requirements.
Solution Approach 2:
The patent replaces the mechanical process of comparing entire configuration files with a more efficient cryptographic hash comparison mechanism. This substitution maintains security and integrity verification while requiring minimal processing resources and network bandwidth, as hash value comparison is computationally much lighter than full file comparison.
4Reliability
If device configurations are centrally managed with full file storage, then configuration control is maintained, but system complexity and storage requirements increase
Solution Approach 1:
The system extracts and manages only the essential configuration identification element (hash value) centrally, while the full configuration files are stored locally on devices. This extraction approach maintains centralized configuration management control and capability while significantly reducing system complexity and centralized storage requirements.
Solution Approach 2:
The system uses hash value copies as the central management mechanism, replacing the need to store and manage complete configuration files centrally. These hash copies enable full configuration management functionality (verification, tracking, control) with minimal system complexity and storage requirements.
Data Source
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AI summary
According to an example, with respect to hash based device configuration management, a device configuration status and a device configuration hash value associated with a configuration file for a device may be ascertained. Based on a determination that the device configuration hash value matches an application configuration hash value, an application configuration status for the device may be modified to correspond to the device configuration status. If there is no match, a determination may be made as to whether the device has permission to locally modify the configuration for the device, and if not, a configuration file may be sent to the device to modify the configuration for the device. If the device has permission, the configuration file that is associated with the device configuration hash value may be requested, and a configuration record associated with the device may be updated based on the requested configuration file.