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METHOD AND APPARATUS FOR NETWORK PACKET CAPTURE DISTRIBUTED STORAGE SYSTEM

  • US 20090219829A1
  • Filed: 05/21/2009
  • Published: 09/03/2009
  • Est. Priority Date: 12/23/2004
  • Status: Active Grant
First Claim
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1. A method of capturing data packets comprising of:

  • connecting a capture device to a data communications path;

    capturing data packets communicated along the data communications path;

    persistently storing the captured data from the data packets in a predetermined combination of volatile and non-volatile storage media;

    aggregating the persistently stored data packets into a slot of predetermined size;

    annotating the aggregated data packets with persistent storage information;

    storing the annotated data packets using an infinitely journaled, write-once, hierarchical file system;

    reconstructing any corrupted data to ensure data accuracy of the persistently stored data; and

    retrieving a predetermined portion of captured data and persistently stored annotations from the slot;

    creating the slot of predetermined size to have a buffer of a predetermined size; and

    managing the slot based on a least recently used cache to map the data in the slot to a non-volatile storage thereby creating a cache image of the captured data.

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