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METHOD AND DEVICES FOR COMPRESSING DELTA LOG USING FLASH TRANSACTIONS

  • US 20090013126A1
  • Filed: 06/30/2008
  • Published: 01/08/2009
  • Est. Priority Date: 07/02/2007
  • Status: Active Grant
First Claim
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1. A method for storing configuration data in a router, comprising:

  • adding each received piece of configuration data at a next currently free location in a volatile buffer,compressing the contents of the volatile buffer after adding each received piece of configuration data, thus obtaining a compression result,storing the compression result in a non-volatile flash memory,if the compression result was shorter than a limit, allowing the compression result to be overwritten in the flash memory by a next compression result to be stored in the flash memory, andif the compression result was longer than said limit, saving the compression result in the flash memory and directing a next compression result to be stored in the flash memory to a different location in the flash memory.

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