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TOPOLOGY AWARE CACHE COOPERATION

  • US 20100217869A1
  • Filed: 08/31/2009
  • Published: 08/26/2010
  • Est. Priority Date: 02/20/2009
  • Status: Active Grant
First Claim
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1. A content distribution system (CDS) for distributing a plurality of available content objects, comprising:

  • a plurality of content storage nodes (CSNs), each CSN comprising a network node adapted for communication with at least one other network node and a storage device having a first memory portion allocated to local space and a second memory portion allocated to federated space;

    whereinthe local space of each CSN is adapted to store available content objects having a relatively high utility level;

    the federated space of each CSN is adapted to cooperate with the federated space of other CSNs to store at least a portion of available content objects having a relatively low utility level; and

    content objects are migrated between local space and federated space in response to differences in content object utility level.

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