Intelligent Bus Controller for DAL-Based Secure Data Transmission
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Solution Overview
Problem
Current systems for data transmission in isolated environments lack proper structure to prevent tampering and fail to dynamically allocate priority based on design assurance levels (DAL) classifications.
Innovation Solution
A system and method for data communication that includes a processor and memory configured to receive, modify, and transmit data based on DAL classifications through an intelligent bus controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is transmitted through isolated environments, then independence and protection from host system tampering is achieved, but the transmission path becomes vulnerable to tampering and lacks proper security structure
Solution Approach 1:
The patent introduces an intelligent bus controller as an intermediary component between the isolated operating environment and the host system. This mediator enforces security policies, validates data packets, and controls transmission based on DAL classifications, thereby preventing tampering while maintaining communication. The bus controller acts as a trusted third party that mediates all data exchanges without compromising isolation.
Solution Approach 2:
The patent segments data transmission into classified packets with different DAL levels (DAL-1 to DAL-5). Each data packet is tagged with its security classification, and the intelligent bus controller processes different segments according to their specific security requirements. This segmentation allows selective application of security measures to different data types.
2Productivity
If current transmission systems are used in isolated environments, then basic communication is achieved, but dynamic priority allocation based on DAL classifications is lacking
Solution Approach 1:
The patent implements dynamic priority allocation where the transmission priority of data packets is adjusted in real-time based on their DAL classification and current system conditions. The intelligent bus controller continuously adapts transmission scheduling, granting higher priority to critical data (higher DAL) and lower priority to non-critical data. This dynamic approach allows the system to respond to changing requirements while maintaining efficient throughput.
Solution Approach 2:
The patent changes the parameter of transmission priority based on the DAL classification parameter of the data. Each data packet carries a DAL parameter that directly influences its transmission priority parameter. The intelligent bus controller modifies transmission parameters (timing, bandwidth allocation, queue position) as a function of the data's DAL classification, enabling adaptive priority management.
3Stability of the object's composition
If isolation is implemented to protect data, then independence from host system is achieved, but the transmission path lacks proper structure for preventing tampering
Solution Approach 1:
The intelligent bus controller serves as a structured intermediary that enforces security protocols on the transmission path. It validates data integrity, checks DAL classifications, and controls access between the isolated environment and host system. This intermediary structure provides the missing security framework without breaking the isolation boundary.
Solution Approach 2:
The patent applies preliminary security actions to data packets before transmission, including classification tagging, integrity checking, and priority assignment. The intelligent bus controller performs these preparatory security measures in advance, ensuring that only properly structured and authenticated data enters the transmission path, thereby preventing tampering before it can occur.
Data Source
AI summary
A system for communication of data with isolated environments, the system including at least a processor and a memory communicatively connected to the at least a processor, the memory containing instructions configuring the at least a processor to receive one or more transmission datum from an operating environment, wherein the operating environment conforms with at least one design assurance level (DAL) classification, modify the one or more transmission datum as a function of the at least one DAL classification and transmit the one or more transmission datum through an intelligent bus controller as a function of the modification.