Method and device for avoiding repeated storage of content in distributed cache cooperation
A distributed cache and distributed hash technology, applied to electrical components, transmission systems, etc., can solve problems such as difficult identification and low cache utilization
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[0056] This embodiment discloses a method for avoiding duplicate storage of content based on distributed cache collaboration, including the following steps:
[0057] S101. Use a binary identification method of provider-dependent identification and provider-independent identification to identify the content. Wherein, the provider-dependent identifier means that the identifier of the content is related to the provider, so the same content data block may have different identifiers in different content providers, such as URL identifiers; the independent identifier of the provider refers to the identifier of the content It has nothing to do with the provider, so the same content data block has the same content identification. For example, existing hash algorithms such as MD2, MD4, MD5 and SHA-1 can be used to perform hash operations on content data blocks, and the obtained hash summary Can be independently identified as a provider.
[0058] S102. Establish a two-level logical mapp...
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