Before. All content is placed in the contentlib and only necessary content is actually replicated to the contentlib of the destination DP. That's straight from Wally based on a similar question I asked last year.
J From: [email protected] [mailto:[email protected]] On Behalf Of Ryan Sent: Tuesday, July 16, 2013 10:40 AM To: [email protected] Subject: [mssms] Data deduplication in ConfigMgr 2012 Does data deduplication happen before or after data is transferred between servers in ConfigMgr 2012? I'm specifically thinking of our driver packages and all the overlapping drivers going over the WAN to the DPs. We are prestaging content to snail mail to the slow sites, but our OSD team has been slow at getting our drivers imported.

