This feature in LabVIEW 2009 is one of the most powerful features for programming efficient applications.
Links "Data Value Reference":
- Developer Zone: http://zone.ni.com/devzone/cda/tut/p/id/9386
- Forum Dr. Damien's Development - LabVIEW 2009 Data Value Reference : http://forums.ni.com/ni/board/message?board.id=170&message.id=429136#M429136
With the Data Value Reference you can use references to data instead of copys of data.
An other strategy/way do build complex and scaleable applications is the single-element queue reference objects method:
Link
- Forum Dr. Damien's Development - Single-Element Queue Reference Objects : http://forums.ni.com/ni/board/message?board.id=170&message.id=370283&query.id=1679976#M370283