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PCE
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DIFF Subgroup
H04N 21/231

Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion

Introduced: January 2011

Title

Titles differ between systems:

IPC: Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers or prioritizing data for deletion

CPC: Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion

Full Title

Full titles differ between systems:

IPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] > Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof > Processing of content or additional data; Elementary server operations; Server middleware > Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers or prioritizing data for deletion

CPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 ) > Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof > Processing of content or additional data; Elementary server operations; Server middleware > Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion

CPC subdivides this area 6x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

IPC defines codes here since 2011.

Child Classifications

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