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Method and apparatus for dynamically and incrementally modifying NIS maps

  • US 8,321,523 B1
  • Filed: 04/24/2006
  • Issued: 11/27/2012
  • Est. Priority Date: 04/24/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • copying a plurality of information records from a network directory database to a Network Information Service (“

    NIS”

    ) map;

    monitoring the database to detect a change to at least one of the plurality of information records;

    if a change is detected, updating only a portion of the NIS map necessary to reflect the change to the at least one information record;

    receiving a NIS map request from a client;

    locating data corresponding to the request in the NIS map; and

    transmitting a NIS response containing data from the NIS map to the client,wherein said monitoring the database comprises;

    obtaining a first time stamp of a last modification of a database record;

    periodically obtaining a second time stamp of the last modification of a database record; and

    comparing the first time stamp to the second time stamp.

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