Dell PowerVault DL2200 - Manual (Page 3)

example, a single media server licensed with the Deduplication Option can simultaneously use Client Deduplication
for some jobs and Media Server deduplication for others.
• Client Deduplication is a software-driven process, where deduplication takes place at the SOURCE of data
and is sent over the network in deduplicated form
• Media Server Deduplication is a software-driven process, where deduplication takes place JUST BEFORE THE
DATA IS STORED TO DISK (also known as Inline Deduplication)
Each approach has its benefits and will be detailed in turn in the following sections.
Figure 1: Deduplication Types using the PowerVault DL Backup to Disk Appliance.
Client Deduplication
With Backup Exec 2010, exciting new possibilities for remote office protection were introduced. The concept of
client deduplication – where the remote system is responsible for deduplication calculations and backup data is sent
over the network in its deduplicated form – can make the process of protecting remote offices a much more
streamlined experience. Remote offices can be challenging to protect effectively; WAN environments can be
unreliable and can only utilize a fraction of the bandwidth available to LAN backups. Another common scenario