| 摘要 |
Methods and systems for providing random access to structured media content are described. The described methods and systems implement one or more of an importance evaluator module, a priority evaluator module, and a preemptive loader module. The importance evaluator assigns importance values to different portions of a structured media content file. The importance values are used to determine whether to remove individual portions of the structured media content file from a client cache file to make room for other more important file portions. The priority evaluator assigns priority values to different portions of a structured media content file. The priority values are used to determine an order in which the portions are to be provided from a server to a client. The preemptive loader preemptively facilitates provision of one or more portions of a structured media content file to a client, without the client specifically requesting so.
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