Bridging Device Segregates Proprietary Sensor Data
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Solution Overview
Problem
In vehicle networks, sensitive proprietary data from sensors is exposed to other nodes, allowing competing manufacturers to potentially reverse-engineer the sensors, posing a security risk.
Innovation Solution
A bridging device segregates sensors on a system bus, allowing or blocking data traffic based on data sensitivity, establishing a dedicated pipeline for transmitting proprietary data to prevent eavesdropping, ensuring secure communication to a remote server.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an open network topology is used to allow all nodes to communicate freely, then network communication efficiency and ease of operation are improved, but security and data protection are worsened due to exposure of proprietary data to competing manufacturers
Solution Approach 1:
The network communication is segmented into public data channels and proprietary data channels. The bridging device creates separate communication paths, allowing general network operation to remain open while isolating sensitive proprietary data transmissions to protected pipelines that prevent eavesdropping by other network nodes
Solution Approach 2:
A bridging device is introduced as an intermediary component between sensors and the network. This mediator selectively filters and routes data traffic, blocking proprietary data from being exposed to other network nodes while allowing legitimate communication to proceed through established pipelines
2Object-affected harmful factors
If a dedicated pipeline is established for proprietary data transmission, then data security and protection from eavesdropping are improved, but device complexity and network configuration difficulty are worsened
Solution Approach 1:
The system implements automatic pipeline establishment and management through the bridging device. When proprietary data transmission is required, the bridge automatically creates the dedicated pipeline, manages the data flow, and tears down the pipeline after transmission completes, eliminating the need for manual configuration and reducing system complexity
3Productivity
If all data traffic is allowed to flow freely on the system bus, then communication speed and productivity are improved, but data protection and security are worsened due to potential reverse engineering by competing manufacturers
Solution Approach 1:
Data traffic is segmented into different categories: public operational data that can flow freely on the system bus for high-speed communication, and proprietary sensor data that is routed through protected dedicated pipelines. This segmentation maintains productivity for non-sensitive communications while protecting against reverse engineering of proprietary information
Solution Approach 2:
Different quality levels of protection are applied to different data streams. Public data receives minimal filtering for maximum speed, while proprietary data receives enhanced protection through isolated transmission paths. The bridging device applies these different quality treatments locally to specific data packets based on their sensitivity classification
Data Source
AI summary
A method for traffic management of proprietary data, in a network system comprising a gateway and a sensor communicatively coupled to the gateway via a data bus, includes determining, by a processor of a bridging device, whether a dedicated pipeline for transmission to the gateway is available, in response to determining that the dedicated pipeline is available, transmitting, by the processor, a request for the dedicated pipeline, determining, by the processor, whether the dedicated pipeline has been established between the bridging device and the gateway, and in response to determining that the dedicated pipe has been established, requesting, by the processor, the proprietary data from the sensor, transmitting, by the processor, the proprietary data from the sensor to the gateway via the dedicated pipeline, and transmitting, by the processor, a dedicated pipeline release signal to the gateway indicating release of dedicated pipeline between the bridging device and the gateway.