Transfer Token Module for Secure Data Encoding
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Solution Overview
Problem
Conventional data storage systems face challenges with data integrity and security due to the failure of physical movement-based memory devices, such as disc drives, which can lead to data loss and increased maintenance demands, while redundant array configurations like RAID address these issues but introduce security and efficiency concerns.
Innovation Solution
A distributed storage network (DSN) system that employs error-coded data slices stored across multiple geographically diverse locations, utilizing a DS processing unit to encode and decode data, and a DS managing unit to manage storage parameters, ensuring data integrity and security through redundancy and dispersal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If physical movement-based memory devices (disc drives) are used for data storage, then storage capacity and accessibility are improved, but data integrity and reliability deteriorate due to device failures and bit corruption
Solution Approach 1:
The patent divides data into multiple slices and distributes them across different storage devices and locations. This segmentation ensures that failure of one device does not result in complete data loss, as other slices remain intact and can be used for reconstruction.
Solution Approach 2:
The patent introduces error correction codes as an intermediary layer between the data and storage devices. These codes enable detection and correction of bit corruption without requiring restorage, thereby maintaining data integrity despite physical device failures.
2Reliability
If redundant array configurations (RAID) are used to protect against device failure, then data reliability is improved, but security and efficiency deteriorate due to unauthorized access risks and storage overhead
Solution Approach 1:
The patent segments data into slices distributed across multiple geographically diverse locations rather than storing redundant copies in a single array. This segmentation reduces security risks by eliminating centralized access points while maintaining reliability through geographic dispersion.
Solution Approach 2:
The patent applies different storage strategies to different data slices based on their specific requirements. Each slice can be stored with different redundancy levels and security measures tailored to its importance, optimizing both security and efficiency.
3Reliability
If multiple redundant disc drives are used to replicate data, then data loss prevention is improved, but maintenance complexity and cost increase
Solution Approach 1:
The patent implements self-healing capabilities through error correction codes that automatically detect and correct bit corruption without human intervention. The system also automatically reconstructs lost data slices from remaining slices, eliminating the need for manual maintenance and reducing complexity.
Solution Approach 2:
The patent allows individual storage devices to fail and be discarded without affecting overall system reliability. The system recovers lost data by reconstructing failed slices from remaining slices using error correction codes, eliminating the need to maintain redundant copies of entire datasets.
Data Source
AI summary
A method for data transfer from a first computing device to a second computing device begins when the first computing device is paired with a transfer token module by the first computing device sending the data to the transfer token module. The method continues with the transfer token module encoding the data utilizing a dispersed storage error encoding function to produce a set of encoded data slices and sending the set of encoded data slices to a target destination. The method continues, when the second computing device is paired with the transfer token module, with the transfer token module retrieving the set of encoded data slices from the target destination and decoding the set of encoded data slices utilizing the dispersed storage error encoding function to recapture the data. The method continues with the second computing device storing the data.