Should you use a Branch Distribution Point? – ConfigMgr
From the archive (2009). Written for the tools of the time, so some details may be out of date.
Here is a great post to give you food for thought on whether you should use a secondary site, distribution point, or a branch distribution point. This has come up on the list several times and someone sent this link, it’s great info.
http://www.server-management.co.uk/viewpoints/762
-Chris