Access Control Mesh Network with Automatic Hardware Failover
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Solution Overview
Problem
Existing access control systems fail to provide seamless access control in the event of hardware failures, leading to safety issues and potential unauthorized access in high-availability secure environments.
Innovation Solution
Implementing an access control mesh network with failover redundancy and custom routing logic, where access control peripheral devices automatically connect to another available access control hardware board using various communication modalities, ensuring continuous connectivity and access control even in the event of device failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional access control system with single hardware board is used, then the system structure is simple, but the system fails to provide seamless access control in the event of hardware failures
Solution Approach 1:
The access control system is segmented into multiple independent hardware boards (first access control hardware board, second access control hardware board) that can operate autonomously. Each board can handle access control functions independently, allowing the system to maintain functionality even when one board fails. This segmentation enables failover redundancy where peripheral devices can switch between different hardware boards.
Solution Approach 2:
The system dynamically changes the operational parameters by switching communication modalities (wired communication, wireless communication, mesh network communication) based on the availability of hardware boards. When the primary hardware board fails, the system changes its communication parameter to use alternative boards through different communication channels, maintaining access control availability.
2Reliability
If failover redundancy with multiple communication modalities is implemented, then seamless access control during hardware failure is achieved, but the device complexity increases
Solution Approach 1:
Each access control hardware board is designed with multi-functionality to support multiple communication modalities (wired communication interface, wireless communication interface, mesh network interface). This universality allows any hardware board to potentially take over for another, simplifying the failover process while maintaining reliability. The peripheral devices can communicate through multiple channels without requiring specialized single-purpose hardware.
Solution Approach 2:
The system introduces an access control peripheral device as an intermediary that can establish communication with multiple access control hardware boards. This intermediary role allows the peripheral device to automatically connect to available boards through different communication modalities, managing the complexity of failover redundancy while maintaining simple operation for end users.
3Reliability
If automatic reconnection logic is implemented, then continuous connectivity is maintained despite device failure, but the system complexity increases
Solution Approach 1:
The access control peripheral device incorporates self-service automatic reconnection logic that autonomously detects hardware board failures and reestablishes communication with alternative boards without human intervention. The device monitors communication status, detects failures, and automatically switches to available hardware boards through wired or wireless mesh networks, maintaining connectivity continuity while minimizing the need for complex external control systems.
Data Source
AI summary
Devices and techniques are generally described for an access control mesh network. In various examples, a first access control peripheral may establish communication using a first communication modality, at a first time, with first access control hardware. The first access control peripheral may determine at a second time, that the communication with the first access control hardware using the first communication modality is unavailable. In some further examples, the first access control peripheral may establish communication with second access control hardware. In some examples, the communication with the second access control hardware may be established using a second communication modality.