There are some general purpose algorithms for conflict detection and management. Google CRDT or watch my Strangeloop talk about the data structures used by Apac

There are some general purpose algorithms for conflict detection and management. Google CRDT or watch my Strangeloop talk about the data structures used by Apache CouchDB and Couchbase Lite. http://www.infoq.com/presentations/sync-mobile-data http://www.infoq.com/presentations/sync-mobile-data