Content-Based Encoding Across Multiple Routing Paths for Data Integrity
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Solution Overview
Problem
Current dispersed storage systems face challenges in ensuring data integrity and security due to the limitations in error correction and data distribution across multiple storage units, particularly in handling failures and hacking attempts.
Innovation Solution
The system employs a dispersed storage network with error-coded data slices distributed across multiple physically diverse storage units, utilizing error correction codes like Reed-Solomon to ensure data integrity and security through redundancy and secure storage protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is distributed across multiple storage units, then data security and fault tolerance are improved, but system complexity increases
Solution Approach 1:
The patent segments data into multiple encoded slices distributed across different storage units. Each slice is a portion of the original data transformed through error correction encoding, allowing the system to recover the complete data set from any sufficient number of slices. This segmentation approach enables data to be stored across multiple locations while maintaining integrity and security.
Solution Approach 2:
The patent introduces error correction codes as an intermediary layer between the original data and the distributed slices. This intermediary encoding mechanism transforms the data into a form that can be reliably reconstructed even when some slices are lost or corrupted, thereby simplifying the overall system architecture by providing a systematic method for handling distribution complexity.
2Reliability
If error correction codes are used for data protection, then data security is improved, but processing overhead increases
Solution Approach 1:
The patent applies parameter changes by selecting specific error correction code parameters (such as Reed-Solomon code dimensions and redundancy levels) that balance security requirements with processing overhead. By optimizing these parameters, the system achieves adequate data protection while minimizing the computational burden of encoding and decoding operations.
3Reliability
If data is encoded and distributed across multiple paths, then fault tolerance is improved, but transmission time increases
Solution Approach 1:
The patent performs preliminary error correction encoding before data distribution across multiple paths. This advance preparation ensures that the encoded slices are ready for immediate transmission, reducing latency during the actual data transfer. The encoding is performed once upfront, and the resulting slices can be rapidly distributed through multiple communication channels simultaneously.
Solution Approach 2:
The patent utilizes multiple transmission paths as an additional dimension for data distribution. By sending encoded slices through different network routes simultaneously, the system parallelizes the transmission process, offsetting the increased transmission time through spatial diversification of the data flow across available communication channels.
Data Source
AI summary
A method includes partitioning a data file into first priority data and second priority data. The method further includes determining first error coding dispersal storage function parameters for the first priority data based on first transmission reliability level and second error coding dispersal storage function parameters for the second priority data based on second transmission reliability level. The method further includes dispersed error encoding the first priority data using the first error coding dispersal storage function parameters to produce first plurality of sets of encoded data slices and dispersed error encoding the second priority data using the second error coding dispersal storage function parameters to produce second plurality of sets of encoded data slices. The method further includes selecting one or more routing paths from a plurality of candidate routing paths and transmitting the first plurality of sets of encoded data slices via the one or more routing paths.