DVD replication (manufacturing) is a process similar to CD replication where DVDs are replicated in mass quantities using a glass master created from your master and stamped into DVDs. This process is ideal for over 500 units and turnarounds are about 5 to 7 working days.
DVD duplication (burning) is the process similar to CD duplication of assembling source material from a master version, into the proper logical format then recorded onto DVD-R. This process will be ideal for below 500 units and the turnaround are about 3 working days.