Policy-based caching

CAFC
  • US 6,965,968 B1
  • Filed: 02/27/2003
  • Issued: 11/15/2005
  • Est. Priority Date: 02/27/2003
  • Status: Active Grant
First Claim
Patent Images

1. A policy-based cache manager, comprising:

  • a memory storing a cache of digital content, a plurality of policies, and a policy index to the cache contents, the policy index including entries that relate cache content and policies by indicating cache content that is known to be allowable relative to a given policy, for each of a plurality of policies;

    a content scanner, communicatively coupled with said memory, for scanning a digital content received, to derive a corresponding content profile; and

    a content evaluator, communicatively coupled with said memory, for determining whether a given digital content is allowable relative to a given policy, based on the content profile, the results of which are saved as entries in the policy index.

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