Electronic Gaming Machine Impromptu Network Configuration
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Solution Overview
Problem
Electronic gaming machines often require software or firmware updates, but regulatory restrictions and security concerns prohibit them from communicating via data networks during normal operation, leading to manually intensive and time-consuming maintenance processes.
Innovation Solution
The implementation of an impromptu or ad hoc network that is only accessible during maintenance operations, allowing updates to be performed when specific physical and logical conditions are met, such as a maintenance door being unlocked and an administrative login active, ensuring compliance with regulations and reducing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If network communication is enabled for updates, then update efficiency is improved, but security risk and regulatory non-compliance worsen
Solution Approach 1:
The network interface dynamically changes its operational state based on the physical state of the maintenance door. When the door is closed (normal operation), the network interface is disabled. When the door is opened (maintenance mode), the network interface is enabled to receive updates. This dynamic state change allows the system to achieve both security (network disabled during normal operation) and update efficiency (network enabled during maintenance).
Solution Approach 2:
The system changes the operational parameter of the network interface from disabled to enabled based on the physical state detection. This parameter change allows the machine to transition between secure normal operation and update-capable maintenance mode, resolving the contradiction between security and update efficiency.
2Reliability
If manual update process is used, then security and compliance are maintained, but maintenance time and labor intensity worsen
Solution Approach 1:
The system performs self-identification of update needs and self-initiation of update process. The processor detects whether an update is needed, automatically opens the maintenance door (or ensures it remains open), enables the network interface, receives the update, and then closes the maintenance door. This eliminates the need for manual intervention while maintaining security and compliance, significantly reducing maintenance time.
Solution Approach 2:
The system prepares for updates in advance by maintaining the maintenance door in an unlocked state during designated maintenance windows, pre-enabling the network interface, and pre-positioning update files. This preliminary preparation allows rapid update deployment without manual intervention, reducing overall maintenance time while maintaining compliance through controlled access.
3Ease of operation
If network interface is always enabled, then update accessibility is improved, but unauthorized access and security vulnerabilities worsen
Solution Approach 1:
The network interface transitions from a static always-enabled state to a dynamic state that changes based on the maintenance door physical state. The processor continuously monitors the physical state of the maintenance door and accordingly enables or disables the network interface. This ensures update accessibility only during authorized maintenance periods when the door is open, preventing unauthorized access during normal operation.
Solution Approach 2:
The system implements a feedback loop where the processor continuously monitors the physical state of the maintenance door and uses this feedback to control the network interface state. When the door is closed, the network interface is disabled; when the door is opened, the network interface is enabled. This feedback mechanism ensures that network access is automatically restricted to authorized maintenance periods, preventing unauthorized access while maintaining ease of operation during legitimate updates.
Data Source
AI summary
An electronic gaming machine (EGM) may use a temporary network to perform configuration updates upon determining that a maintenance mode is active and that normal gaming operation is suspended. The temporary network may use cryptographically paired wireless devices that prevent man-in-the-middle attacks or eavesdropping. Alternatively, the temporary network may use an existing network that is utilized during normal gaming operation for accessories and/or loyalty data. Once the temporary, or ad hoc, network is established, a host electronic gaming machine or a standalone device may be used as a repository from which configuration information may be propagated to other electronic gaming machines, even if the other electronic gaming machines have a different games or configurations from that of the host. This capability may be particularly helpful in jurisdictions where EGM networking is prohibited during game play operation.