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Adaptive liveness management for robust and efficient peer-to-peer storage

  • US 7,886,034 B1
  • Filed: 09/27/2006
  • Issued: 02/08/2011
  • Est. Priority Date: 09/27/2006
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for robustly managing peer-to-peer storage, the method comprising the steps of:

  • storing an item in a peer-to-peer storage pool as data blocks, at least some of the data blocks being redundant, the redundant data blocks being stored on different nodes of the peer-to-peer storage pool;

    tracking liveness of nodes in the peer-to-peer storage pool to determine a retrieval probability of the item as a whole; and

    modifying storage of data blocks within the peer-to-peer storage pool responsive to tracked liveness information comprising changing a number of redundant data blocks to adjust the retrieval probability in accordance with a predetermined threshold.

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