CDs and DVDs have today become one of the most popular means for storing data. This data can be anything like videos, music, files or documents etc. Among all the available storage devices, CDs and DVDs have evolved to be a reliable and cost-effective means for storing data. They are also efficient and economical means for storing and transferring information.Many video and music production houses sell their work on CDs and DVDs. CD replication is one such process that allows music and video production houses to produce CDs and DVDs in bulk and in a cost effective manner. Also, there are number of companies that have started to use CDs for storing their backup and important files. In case the system crashes or malfunctions, the data can be retrieved from these CDs and DVDs.CD replication is a simple process in which information is copied from one optical disc to other blank optical disc. This process uses automated and expensive apparatus. The CD replication process is ideal for creating large quantities of discs. The stamping process is usually carried out in factories that have a special workshop. Hence, the cost per unit for replicating CDs is greatly reduced.Many people usually get confused between the replication and duplication process. Although CD duplication and replication provide the same results, they are completely different processes. The tools that are used in each of these processes also vary considerably.