Mesh Network Router Assignment for Rapid Leader Failover
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing load control systems experience delays in network reformation due to the failure of leader devices, leading to network instability and inefficiencies.
Innovation Solution
Implementing backup-leader devices that take over leadership roles when the primary leader fails, and utilizing a router optimization mode to dynamically assign router devices based on communication quality metrics, ensuring seamless network reformation and optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If backup-leader devices are implemented to take over leadership roles when the primary leader fails, then network stability is improved, but device complexity increases
Solution Approach 1:
The patent implements backup-leader devices that are pre-designated and ready to take over leadership roles when the primary leader fails. This preliminary preparation eliminates the need for complex real-time election algorithms, as the successor is already identified and positioned to assume leadership immediately, thus improving reliability while keeping the mechanism relatively simple.
Solution Approach 2:
The backup-leader device acts as an intermediary between the primary leader and the rest of the network. When the primary leader fails, the backup-leader seamlessly transitions into the leadership role, mediating the continuity of network operations without requiring complex reconfiguration or elections among multiple candidates.
2Productivity
If router optimization mode is implemented to dynamically assign router devices based on communication quality metrics, then network performance is improved, but computational overhead increases
Solution Approach 1:
The router optimization mode continuously monitors communication quality metrics between devices and uses this feedback to dynamically determine optimal router assignments. The system measures link quality, evaluates routing efficiency, and adjusts router roles accordingly, creating a closed-loop control system that adapts to changing network conditions while maintaining performance.
Solution Approach 2:
The patent implements dynamic router assignment where devices can transition between end-device and router roles based on real-time communication quality. This dynamic reconfiguration allows the network to adapt to changing conditions, optimizing performance by assigning router responsibilities to devices with the best communication links while reducing computational overhead through structured evaluation criteria.
3Loss of time
If the first threshold period of time is set shorter than the second threshold period of time for leader failure detection, then network reformation delay is reduced, but false detection risk increases
Solution Approach 1:
The patent uses two different threshold parameters for leader failure detection: a first threshold period for backup-leader devices to detect leader failure and initiate takeover, and a second threshold period for other devices to detach from the network. By setting the first threshold shorter than the second, the system enables rapid response to leader failure while maintaining stability against false detections, as the dual-threshold mechanism provides different levels of sensitivity for different detection scenarios.
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A load control system may include control devices configured to communicate via a network. The network may include router devices for enabling communication of messages throughout the network. Networks may enter a router optimization mode to optimize the locations of the router devices in the network. During a router optimization mode, the control devices that are communicating over the network may transmit optimization messages. In order to generate optimized network data for optimizing the network and the roles of devices on the network, potential connections may be analyzed between devices and roles of the router devices in the network may be established based on the potential connections between devices.