Patent ID: 8473526
Filing Date: 2013-06-25
Classification: G06F

Abstract:
1. A method for managing a group of targets that store different copies of a data entity, the method comprising: receiving a request to update an x'th generation copy of a data entity, where x is a positive integer; applying an update function in response to the update request for defining a first sub-group of targets from the group of targets, where x is a representation of an index of the first sub-group of targets, wherein the update function is responsive to x to apply the update to the x'th generation copy of a data entity on the first sub-group of targets; receiving a request to read a y'th generation copy of the data entity, where y is a positive integer; and applying a retrieve function in response to the read request for searching for the y'th generation copy of the data entity in a second sub-group of targets, where y is a representation of an index of the second sub-group of targets, and wherein the retrieve function is responsive to y to select the second sub-group of targets from the group of targets.