| 摘要 |
<p>The invention concerns a method for assigning parts of multimedia files to distributed storage devices, the number of said devices being an integer n, characterized in that it comprises the following steps:
€¢ a step consisting in dividing each multimedia file in windows, which represent data for contiguous playback of a given duration ;
€¢ a step consisting, for each multimedia file, in determining a number k so that any original window of file can be recovered from any k distinct symbols ;
€¢ a step consisting, for each window of each said multimedia files, in assigning n corresponding symbols to said devices, one to each device, the n distinct symbols being created using erasure coding ; and
€¢ a step consisting in partially or totally filling the storage memory left on each device after said first steps with prefix windows of said multimedia files.</p> |
