| 摘要 |
PROBLEM TO BE SOLVED: To swiftly process a file with security and reliability. SOLUTION: This system includes compressing a file into a compressed file, dividing the compressed file into subfiles, generating recovery files from the subfiles, transmiting the subfiles and the recovery files to servers, generating a record file, reading out the record file, downloading the subfiles and the recovery files of the first group, which means files in an accessible state in servers, recovering the compressed file from the subfiles and the recovery files of the first group, and decompressing the compressed file.
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