Patent ID: 6915312

Claim:
In a data processing environment, a method for synchronizing multiple data sets, the method comprising: establishing a data repository for facilitating synchronization of user information maintained among more than two data sets, said data repository storing user information that is a super-set of all user information for which any user desires synchronization support; storing at least one mapping which specifies how user information may be transformed for storage at a given data set; receiving a request for synchronizing at least one data set; based on user information stored at said at least one data set and based on said at least one mapping, propagating to the data repository from said at least one data set any changes made to the user information, to the extent that such changes can be reconciled with user information already present at said data repository; and based on user information stored at said data repository and based on said at least one mapping, propagating to said at least one data set any changes to the user information which have been propagated to the data repository, to the extent that such changes are not present at said at least one data set.