Virtual Ring Node Management for Secure IoT Networks
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Solution Overview
Problem
Conventional centralized networks face issues of low throughput and single point failures, while decentralized networks suffer from security concerns, making them unsuitable for emerging fields like IoT that require high throughput, scalability, and security.
Innovation Solution
A method and device for managing nodes in a network by mapping new nodes to a virtual ring, determining a decision region, and adjusting other nodes outside the region to prevent malicious committees and enhance security, maintaining autonomous communication and data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a decentralized network architecture is used, then throughput and scalability are improved, but security deteriorates due to potential malicious nodes forming committees
Solution Approach 1:
The patent implements dynamic adjustment of node positions on the virtual ring based on their decision values. Nodes are continuously repositioned according to their performance metrics, ensuring that the decision committee composition changes over time. This dynamic mechanism prevents malicious nodes from permanently controlling the committee while maintaining network throughput through efficient decentralized operations.
Solution Approach 2:
The patent changes the parameter of node positioning on the virtual ring by adjusting decision values that determine node positions. When a node's decision value changes, its position on the virtual ring is recalculated and updated. This parameter change mechanism allows the system to adapt the committee composition dynamically, improving security by preventing malicious node dominance while maintaining the decentralized architecture's throughput advantages.
2Reliability
If a centralized network architecture is used, then security is improved through centralized control, but throughput and scalability deteriorate
Solution Approach 1:
The patent introduces a virtual ring as an intermediary structure that mediates between centralized security control and decentralized throughput. The virtual ring organizes nodes in a structured manner with defined decision regions, providing centralized-like control through the decision committee mechanism while maintaining decentralized operations. This intermediary structure enables the system to achieve both security through controlled committee formation and high throughput through parallel decentralized processing.
3Stability of the object's composition
If nodes are fixed in position on the virtual ring, then network stability is improved, but adaptability to new nodes and security against malicious committees deteriorates
Solution Approach 1:
The patent implements dynamic node positioning where nodes are not fixed but continuously repositioned based on their decision values. When new nodes join or existing nodes' performance changes, their positions on the virtual ring are automatically adjusted. This dynamic approach maintains network stability through structured organization while providing adaptability to accommodate new nodes and respond to changing network conditions, preventing malicious nodes from forming permanent controlling committees.
Solution Approach 2:
The patent performs preliminary positioning of nodes on the virtual ring before they fully join the network. New nodes are initially placed in specific decision regions and their positions are pre-adjusted based on their characteristics. This preliminary action ensures that new nodes are integrated into the network structure in a controlled manner, maintaining stability while enabling smooth adaptation without disrupting existing network operations.
Data Source
AI summary
A method of managing nodes in a network is provided, comprising: in accordance with detecting that a new node joins a network including a plurality of nodes, mapping the new node to a virtual ring associated with the network, the plurality of nodes being mapped to different locations on the virtual ring; determining a decision region of the virtual ring, the decision region comprising the new node and at least one of the plurality of nodes, all of nodes in the decision region to jointly review a proposal of one of the nodes in the decision region; and adjusting nodes in the decision region other than the new node to locations on the virtual ring outside the decision region.