Patent ID: 8914421

Claim:
A method for data management performed at a directory database device comprising a processor circuit and a data entry in a directory, the method comprising: associating the data entry with first status information representing a first current storage status of the data entry at the directory database device, the first status information being data storing a value representing a current content of the data entry; receiving a request for modifying the data entry from a client device; receiving, from the client device and in association with the request, second status information representing a second current storage status of the data entry at the directory database device, the second current storage status indicating a latest available current storage status of the data entry as available to the client device; and modifying the data entry according to the request if the first status information and the second status information are determined to match regarding the first current storage status of the data entry at the directory database device and the second current storage status as received from the client device; obtaining third status information representing a modified current storage status of the modified data entry at the directory database device; and associating the modified data entry with the third status information.